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Chaveepojnkamjorn W, Srikaew J, Satitvipawee P, Pitikultang S, Khampeng S. Association between media use and poor sleep quality among senior high school students: a cross-sectional study. F1000Res 2023; 10:1116. [PMID: 37637503 PMCID: PMC10457560 DOI: 10.12688/f1000research.54818.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/04/2023] [Indexed: 08/29/2023] Open
Abstract
Background : Poor sleep quality (PSQ) is an increasing health problem among adolescents. Mobile phones and portable media devices have become a part of children's lives and may affect their sleep duration and quality. This study aimed to explore the prevalence of PSQ and identify the association between media use and PSQ among adolescents studying in high school grades 10-12. Methods: This cross-sectional study was conducted in central Thailand. A multi-stage sampling technique was used to enroll 777 adolescents from eight schools from August to October 2016. The research instruments comprised factors of demographics and consumption behaviors and the Pittsburgh Sleep Quality Index questionnaire. Multivariable logistic regression was used to calculate adjusted odds ratios (OR adj) and 95% confidence intervals (CI). Results: Prevalence of PSQ was 56.24%. The study subjects were mostly 16-17 years old (67.82%) and female (70.39%). Multivariable logistic regression, after controlling for possible confounders, revealed an increased odds of PSQ among those who used a social media device (OR=1.34, 95%CI=0.97-1.87), and showed a higher proportion of social media use in the PSQ group. Conclusion: A surveillance system to detect media use and PSQ should be conducted accompanied by knowledge sharing on media use among parents, teachers and adolescents. To determine causal relationships, further longitudinal studies will be required to test the association between media users and PSQ. This study may also provide some implications for health promotion on sleep quality of senior high school students.
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Affiliation(s)
- Wisit Chaveepojnkamjorn
- Department of Epidemiology, Faculty of Public Health, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Jutiporn Srikaew
- Ratchaburi Provincial Public Health Office, Ministry of Public Health, Ratchaburi, 70000, Thailand
| | - Pratana Satitvipawee
- Department of Biostatistics, Faculty of Public Health, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Supachai Pitikultang
- Department of Family Health, Faculty of Public Health, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Soontaree Khampeng
- Boromarajonani College of Nursing Phraphutthabat, Ministry of Public Health, Saraburi, 18120, Thailand
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Ehlers CL, Wills D, Benedict J, Amodeo LR. Use of a Fitbit-like device in rats: Sex differences, relation to EEG sleep, and use to measure the long-term effects of adolescent ethanol exposure. Alcohol Clin Exp Res 2023. [PMID: 37335518 DOI: 10.1111/acer.15079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/27/2023] [Accepted: 04/01/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND Sleep difficulties and rhythm disturbances are some of the problems associated with adolescent binge drinking. Recently, animal models of alcohol-induced insomnia have been developed. However, studies in human subjects have recently focused not only on nighttime EEG findings but also on daytime sleepiness and disrupted activity levels as typically measured by activity tracking devices such as the "Fitbit." We sought to develop and test a Fitbit-like device (the "FitBite") in rats and use it to track rest-activity cycles following adolescent alcohol exposure. METHODS The effects of 5 weeks of adolescent ethanol vapor or control conditions were evaluated in 48 male and female Wistar rats using FitBite activity while intoxicated, and during acute (24 h post-vapor exposure) and chronic withdrawal (4 weeks post-vapor exposure). Data were analyzed using activity count and cosinor analyses. Fourteen rats were subsequently implanted with cortical electrodes, and data from the FitBite were compared with EEG data to determine how well the FitBite could identify sleep and activity cycles. RESULTS Female rats were generally more active than males, with higher circadian rhythm amplitudes and mesors (rhythm-adjusted means) across a 24-h period. There were significant correlations between EEG-estimated sleep and activity counts using the FitBite. When the rats were tested during intoxication after 4 weeks of ethanol vapor exposure, they had significantly less overall activity. Disruptions in circadian rhythm were also found with significant decreases in the circadian amplitude, mesor, and a later shift in the acrophase. At 24 h of ethanol withdrawal, rats had more episodes of activity with shorter durations during the daytime, when rats are expected to spend more of their time sleeping. This effect remained at 4 weeks following withdrawal, but circadian rhythm disruptions were no longer present. CONCLUSIONS A Fitbit-like device can be successfully used in rats to assess rest-activity cycles. Adolescent alcohol exposure produced circadian rhythm disturbances that were not observed after withdrawal. Fragmentation of ultradian rest-activity cycles during the light period was found at 24 h and 4 weeks after withdrawal and support data demonstrating the presence of sleep disturbance long after alcohol withdrawal.
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Affiliation(s)
- Cindy L Ehlers
- Department of Neuroscience, The Scripps Research Institute, La Jolla, California, USA
| | - Derek Wills
- Department of Neuroscience, The Scripps Research Institute, La Jolla, California, USA
| | - Jessica Benedict
- Department of Neuroscience, The Scripps Research Institute, La Jolla, California, USA
| | - Leslie R Amodeo
- Department of Psychology, California State University San Bernardino, San Bernardino, CA, USA
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3
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Sleep Modulates Alcohol Toxicity in Drosophila. Int J Mol Sci 2022; 23:ijms232012091. [PMID: 36292943 PMCID: PMC9603330 DOI: 10.3390/ijms232012091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/03/2022] [Accepted: 10/05/2022] [Indexed: 11/19/2022] Open
Abstract
Alcohol abuse is a significant public health problem. While considerable research has shown that alcohol use affects sleep, little is known about the role of sleep deprivation in alcohol toxicity. We investigated sleep as a factor modulating alcohol toxicity using Drosophila melanogaster, a model for studies of sleep, alcohol, and aging. Following 24 h of sleep deprivation using a paradigm that similarly affects males and females and induces rebound sleep, flies were given binge-like alcohol exposures. Sleep deprivation increased mortality, with no sex-dependent differences. Sleep deprivation also abolished functional tolerance measured at 24 h after the initial alcohol exposure, although there was no effect on alcohol absorbance or clearance. We investigated the effect of chronic sleep deprivation using mutants with decreased sleep, insomniac and insulin-like peptide 2, finding increased alcohol mortality. Furthermore, we investigated whether pharmacologically inducing sleep prior to alcohol exposure using the GABAA-receptor agonist 4,5,6,7-tetrahydroisoxazolo(5,4-c)pyridin-3-ol (THIP) mitigated the effects of alcohol toxicity on middle-aged flies, flies with environmentally disrupted circadian clocks, and flies with short sleep. Pharmacologically increasing sleep prior to alcohol exposure decreased alcohol-induced mortality. Thus, sleep prior to binge-like alcohol exposure affects alcohol-induced mortality, even in vulnerable groups such as aging flies and those with circadian dysfunction.
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Ahmadi Z, Omidvar S. The quality of sleep and daytime sleepiness and their association with quality of school life and school achievement among students. JOURNAL OF EDUCATION AND HEALTH PROMOTION 2022; 11:159. [PMID: 35847158 PMCID: PMC9277745 DOI: 10.4103/jehp.jehp_22_22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/21/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Sleep quality is an important factor in adolescents' health; physical as well as psychological. The aim of this study was to determine sleep quality and daytime sleepiness and their effect on the quality of school life (QSL) and achievement. MATERIALS AND METHODS This cross-sectional study was conducted in high schools. The data collection was done on a random sample of 500 students from 15 to 19 years. The questionnaires included the Pittsburgh Sleep Quality Index (PSQI) to measure sleep quality and the Epworth Sleepiness Scale to measure daytime sleepiness as well as QSL. Data were analyzed by SPSS 25. Linear and logistic regressions were used to obtain adjusted and unadjusted odds ratios as well as predictors. RESULTS The mean PSQI score was 6.2 ± 2.4. It was realized that 377 participants (75.4%) were poor sleepers; 6.2% had excessive daytime sleepiness. There was a significant association between age and quality of sleep (P < 0.04). No association between gender and quality of sleep or between the quality of sleep and school achievement was found. Linear regression exhibited a significant relationship between the quality of sleep and daytime sleepiness (β = 0.218; t = 4.982, P = 0.000). There was a significant, inverse correlation between sleepiness and the total score of QSL (P = 0.000). Stepwise linear regression analysis exhibited that daytime sleepiness (P = 0.002) and school achievement (P = 0.001) were predictors of QSL. CONCLUSION According to the study results, sleepiness affects school performance and QSL, and on the other hand, daytime sleepiness is under the effect of sleep quality.
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Affiliation(s)
- Zahra Ahmadi
- Student Research Committee, Babol University of Medical Sciences, Babol, Islamic Republic of Iran
| | - Shabnam Omidvar
- Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Islamic Republic of Iran
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Mahr F, Brennan G, Billman M, Lane-Loney S. Sleep and Avoidant Restrictive Food Intake Disorder (ARFID): Correlation With Psychopathology, Gender, and Academic Performance. Cureus 2022; 14:e25628. [PMID: 35795524 PMCID: PMC9250759 DOI: 10.7759/cureus.25628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2022] [Indexed: 12/01/2022] Open
Abstract
Objective No studies have investigated sleep disturbance in avoidant/restrictive food intake disorder (ARFID). We examined sleep disturbance in ARFID and its association with eating problems, body mass index (BMI), gender, internalizing and externalizing symptoms, cognitive performance, and academic difficulties. Methods Data from 71 ARFID patients from our partial hospitalization program (PHP) for children and adolescents were examined. Sleep data were extracted from measures administered at admission including Achenbach Child Behavior Checklist (CBCL), Children's Depression Inventory (CDI), and Revised Children's Manifest Anxiety Scale (RCMAS). Correlational analyses were conducted to evaluate the convergent validity of parent-reported and participant-reported sleep problems. Association with the severity of eating problems, BMI, percentage of median body weight (% MBW), age, gender, psychotropic medication, psychopathology, and academic difficulties was examined using analysis of variance (ANOVA) and Pearson’s correlation. Results Fifty-two percent of parents and 74% of participants reported two or more sleep symptoms. Trouble sleeping was reported by 46.48% and nightmares by 35.21% of parents. Parent-reported trouble sleeping highly correlated with internalizing disorders. Parent-reported trouble sleeping and participant-reported difficulty sleeping positively correlated with attention and attention-deficit/hyperactivity disorder (ADHD) problems. Parent-reported less sleep and feeling tired correlated with sluggish cognitive tempo, while walking/talking in sleep negatively correlated with school performance. Gender differences were noted in parent-reported sleep problems. Sleep disturbances were not associated with lower BMI or median body weight at intake. Parent-reported talking/walking in sleep and participant-reported bad dreams and bedtime worries positively correlated with Children's Eating Attitudes Test (ChEAT) scores at intake and discharge. Discussion Our results provide compelling evidence to screen for sleep disturbance in ARFID patients regardless of median body weight and BMI. Exploration of sleep disturbances in ARFID using objective measures is warranted.
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Lebacq T, Holmberg E, Pedroni C, Dujeu M, Castetbon K. Weekday sleep duration and morning tiredness are independent covariates of breakfast skipping in adolescents. Eur J Clin Nutr 2022; 76:1403-1408. [PMID: 35332297 DOI: 10.1038/s41430-022-01117-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 02/25/2022] [Accepted: 03/04/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND/OBJECTIVES Although regular breakfast consumption is associated with various health benefits, many adolescents skip this meal, particularly those with shorter sleep durations. In order to better understand the association between sleep duration and breakfast consumption among youth, we analyzed the association between weekday morning tiredness and daily breakfast consumption in adolescents, and explored the mediating role of morning tiredness in the association between sleep duration and daily breakfast consumption on weekdays. SUBJECTS/METHODS The "Health Behaviour in School-aged Children" survey conducted in 2018 in French-speaking Belgian schools provided data (n = 8444 11-20-year-old adolescents) on bed- and wake-up times, and on the frequency of breakfast consumption and morning tiredness on weekdays. Multivariable logistic regressions and mediation analyses assessed the association, on weekdays, of morning tiredness (≥4 school mornings a week vs. less) and sleep duration (hours), with daily breakfast consumption, and the mediating role of morning tiredness. RESULTS Feeling tired ≥4 school mornings a week was associated with lower odds of daily breakfast consumption on weekdays (aOR = 0.77 (95% CI 0.69-0.86)). In turn, on weekdays, sleep duration was positively associated with daily breakfast consumption (aOR = 1.29 (95% CI 1.23-1.36)), even after adjustment for morning tiredness (aOR = 1.28 (95% CI 1.21-1.35)). Morning tiredness only explained 4.9% of the association between sleep duration and daily breakfast consumption. CONCLUSION Our findings suggest that in adolescents, sleep duration and morning tiredness are independent correlates of daily breakfast consumption on weekdays.
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Affiliation(s)
- Thérésa Lebacq
- Research Center in Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium. .,Service d'Information, Promotion, Education Santé (SIPES), School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium.
| | - Emma Holmberg
- Research Center in Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium.,Service d'Information, Promotion, Education Santé (SIPES), School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Camille Pedroni
- Research Center in Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Maud Dujeu
- Research Center in Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium.,Service d'Information, Promotion, Education Santé (SIPES), School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium.,Research Centre in Social Approaches to Health, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Katia Castetbon
- Research Center in Epidemiology, Biostatistics and Clinical Research, School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium.,Service d'Information, Promotion, Education Santé (SIPES), School of Public Health, Université libre de Bruxelles (ULB), Brussels, Belgium
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Healthy Learning Mind (HLM): Cluster Randomized Controlled Trial on A Mindfulness Intervention, Moderators and Association with Perceived Socioeconomic Status, and Comparison to Other National Data. CHILD & YOUTH CARE FORUM 2022. [DOI: 10.1007/s10566-022-09683-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Abstract
Background
This paper presents the baseline characteristics and their moderators in the Healthy Learning Mind (HLM)– school-based cluster-randomized controlled trial.
Objectives
The paper evaluates the state of various measures of well-being, their moderators and how these results compare to national and global norms/population studies.
Methods
Data were collected from all participants prior to the intervention and further analyzed by gender, grade and perceived socioeconomic status, including standardized measures for resilience, depressive symptoms and socioemotional functioning; health-related quality of life, dispositional mindfulness, satisfaction with life, compassion/self-kindness, self-rated health and morning tiredness.
Results
Participating 2793 students (1425 girls, 1368 boys), ages 12 to 15 years, filled in the questionnaires. The outcomes were in line with previous research, demonstrating gender differentiation and lower wellbeing among older children and adolescents.
Conclusions
All outcomes were associated with perceived socioeconomic status, suggesting that perceived low socioeconomic status should be addressed as a serious risk factor and included as a moderator in similar trials.
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8
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Sleep improvements on days with later school starts persist after 1 year in a flexible start system. Sci Rep 2022; 12:2787. [PMID: 35181701 PMCID: PMC8857191 DOI: 10.1038/s41598-022-06209-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 01/10/2022] [Indexed: 11/09/2022] Open
Abstract
Early school times fundamentally clash with the late sleep of teenagers. This mismatch results in chronic sleep deprivation posing acute and long-term health risks and impairing students' learning. Despite immediate short-term benefits for sleep, the long-term effects of later starts remain unresolved. In a pre-post design over 1 year, we studied a unique flexible school start system, in which 10–12th grade students chose daily between an 8:00 or 8:50AM-start. Missed study time (8:00–8:50) was compensated for during gap periods or after classes. Based on 2 waves (6–9 weeks of sleep diary each), we found that students maintained their ~ 1-h-sleep gain on later days, longitudinally (n = 28) and cross-sectionally (n = 79). This gain was independent of chronotype and frequency of later starts but attenuated for boys after 1 year. Students showed persistently better sleep quality and reduced alarm-driven waking and reported psychological benefits (n = 93) like improved motivation, concentration, and study quality on later days. Nonetheless, students chose later starts only infrequently (median 2 days/week), precluding detectable sleep extensions in the flexible system overall. Reasons for not choosing late starts were the need to make up lost study time, preference for extra study time and transport issues. Whether flexible systems constitute an appealing alternative to fixed delays given possible circadian and psychological advantages warrants further investigation.
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9
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Lovos A, Bottrill K, Sakhon S, Nyhuis C, Egleson E, Luongo A, Murphy M, Thurman AJ, Abbeduto L, Lee NR, Hughes K, Edgin J. Circadian Sleep-Activity Rhythm across Ages in Down Syndrome. Brain Sci 2021; 11:brainsci11111403. [PMID: 34827402 PMCID: PMC8615672 DOI: 10.3390/brainsci11111403] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 10/17/2021] [Indexed: 11/16/2022] Open
Abstract
Across all ages, individuals with Down syndrome (DS) experience high rates of sleep problems as well as cognitive impairments. This study sought to investigate whether circadian rhythm disruption was also experienced by people with DS and whether this kind of sleep disorder may be correlated with cognitive performance. A cross-sectional study of 101 participants (58 with DS, 43 with typical development) included individuals in middle childhood (6–10 years old), adolescence (11–18 years old), and young adulthood (19–26 years old). Sleep and markers of circadian timing and robustness were calculated using actigraphy. Cognitive and behavioral data were gathered via a novel touchscreen battery (A-MAPTM, Arizona Memory Assessment for Preschoolers and Special Populations) and parent questionnaire. Results indicated that children and adolescents with DS slept the same amount as peers with typical development, but significant group differences were seen in phase timing. The circadian robustness markers, interdaily stability and intradaily variability of sleep-wake rhythms, were healthiest for children regardless of diagnostic group and worst for adults with DS. Amplitude of the 24-h activity profile was elevated for all individuals with DS. In analyses of the correlations between sleep quality, rhythms, and cognition in people with DS, interdaily stability was positively correlated with reaction time and negatively correlated with verbal and scene recall, a finding that indicates increased stability may paradoxically correlate with poorer cognitive outcomes. Further, we found no relations with sleep efficiency previously found in preschool and adult samples. Therefore, the current findings suggest that a thorough examination of sleep disorders in DS must take into account age as well as circadian robustness to better understand sleep-cognitive correlations in this group.
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Affiliation(s)
- Annalysa Lovos
- Department of Psychology, School of Mind, Brain and Behavior, College of Science, The University of Arizona, Tucson, AZ 85721, USA; (K.B.); (E.E.); (A.L.); (J.E.)
- Correspondence:
| | - Kenneth Bottrill
- Department of Psychology, School of Mind, Brain and Behavior, College of Science, The University of Arizona, Tucson, AZ 85721, USA; (K.B.); (E.E.); (A.L.); (J.E.)
| | - Stella Sakhon
- Statistics Department, Los Angeles Valley College, Van Nuys, Los Angeles, CA 91401, USA;
| | - Casandra Nyhuis
- College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
| | - Elizabeth Egleson
- Department of Psychology, School of Mind, Brain and Behavior, College of Science, The University of Arizona, Tucson, AZ 85721, USA; (K.B.); (E.E.); (A.L.); (J.E.)
| | - Alison Luongo
- Department of Psychology, School of Mind, Brain and Behavior, College of Science, The University of Arizona, Tucson, AZ 85721, USA; (K.B.); (E.E.); (A.L.); (J.E.)
| | - Melanie Murphy
- Department of Physiology and Buiphysics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA;
| | - Angela John Thurman
- Department of Psychiatry and Behavioral Sciences and MIND Institute, University of California Davis Health, Sacramento, CA 95817, USA; (A.J.T.); (L.A.)
| | - Leonard Abbeduto
- Department of Psychiatry and Behavioral Sciences and MIND Institute, University of California Davis Health, Sacramento, CA 95817, USA; (A.J.T.); (L.A.)
| | - Nancy Raitano Lee
- Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA 19104, USA;
| | | | - Jamie Edgin
- Department of Psychology, School of Mind, Brain and Behavior, College of Science, The University of Arizona, Tucson, AZ 85721, USA; (K.B.); (E.E.); (A.L.); (J.E.)
- Sonoran University Center for Excellence in Developmental Disabilities (UCEDD), University of Arizona, Farmington, CT 06032, USA
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Troxel WM, Rodriguez A, Seelam R, Tucker JS, Shih RA, Dong L, D'Amico EJ. Longitudinal associations of sleep problems with alcohol and cannabis use from adolescence to emerging adulthood. Sleep 2021; 44:6245112. [PMID: 33884430 PMCID: PMC8561242 DOI: 10.1093/sleep/zsab102] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 03/09/2021] [Indexed: 11/13/2022] Open
Abstract
STUDY OBJECTIVES This study examined longitudinal associations of sleep problems with alcohol and cannabis use across six annual waves of data from adolescence to emerging adulthood. METHODS Participants were 3,265 youth from California (ages 16 to 22 across waves). At each wave, past-month alcohol use and cannabis use, mental health, and several dimensions of sleep health (i.e., social jetlag, bedtimes, time in bed, trouble sleeping) were assessed via questionnaire. Parallel process latent growth models examined the association between sleep and alcohol or cannabis use trajectories and the role of mental health in contributing to such trajectories. RESULTS Smaller declines in social jetlag (r = .11, p = .04), increases in trouble sleeping (r = .18, p < .01), and later weekday (r = .16, p < .01) and weekend bedtimes (r = .25, p < .01) were associated with increases in likelihood of alcohol use over time. Declines in weekend TIB (r = -.13, p = .03), as well as increases in weekday TIB (r = 0.11, p = 0.04) and later weekday (r = .18, p < .01) and weekend bedtime (r = .24, p < .01), were associated with increases in likelihood of cannabis use over time. Most associations remained significant after controlling for time-varying mental health symptoms. CONCLUSIONS Trajectories of sleep health were associated with trajectories of alcohol and cannabis use during late adolescence to emerging adulthood. Improving sleep is an important target for intervention efforts to reduce the risk of substance use during this critical developmental transition.
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Affiliation(s)
- Wendy M Troxel
- RAND Corporation, Behavioral and Policy Sciences, 4501 Fifth Avenue, Suite 600, Pittsburgh, PA 15213, USA
| | - Anthony Rodriguez
- RAND Corporation, Behavioral and Policy Sciences, 20 Park Plaza #920, Boston, MA 02116, USA
| | - Rachana Seelam
- RAND Corporation, Behavioral and Policy Sciences, 1776 Main Street, Santa Monica, CA 90407-2138, USA
| | - Joan S Tucker
- RAND Corporation, Behavioral and Policy Sciences, 1776 Main Street, Santa Monica, CA 90407-2138, USA
| | - Regina A Shih
- RAND Corporation, Behavioral and Policy Sciences 1200 South Hayes Street, Arlington, Virginia, 22202-5050, USA
| | - Lu Dong
- RAND Corporation, Behavioral and Policy Sciences, 1776 Main Street, Santa Monica, CA 90407-2138, USA
| | - Elizabeth J D'Amico
- RAND Corporation, Behavioral and Policy Sciences, 1776 Main Street, Santa Monica, CA 90407-2138, USA
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11
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Morales-Muñoz I, Kantojärvi K, Uhre VM, Saarenpää-Heikkilä O, Kylliäinen A, Pölkki P, Himanen SL, Karlsson L, Karlsson H, Paavonen EJ, Paunio T. The Effects of Genetic Background for Diurnal Preference on Sleep Development in Early Childhood. Nat Sci Sleep 2021; 13:219-228. [PMID: 33623463 PMCID: PMC7896793 DOI: 10.2147/nss.s287163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/15/2021] [Indexed: 01/08/2023] Open
Abstract
PURPOSE No previous research has examined the impact of the genetic background of diurnal preference on children´s sleep. Here, we examined the effects of genetic risk score for the liability of diurnal preference on sleep development in early childhood in two population-based cohorts from Finland. PARTICIPANTS AND METHODS The primary sample (CHILD-SLEEP, CS) comprised 1420 infants (695 girls), and the replication sample (FinnBrain, FB; 962 girls) 2063 infants. Parent-reported sleep duration, sleep-onset latency and bedtime were assessed at three, eight, 18 and 24 months in CS, and at six, 12 and 24 months in FB. Actigraphy-based sleep latency and efficiency were measured in CS in 365 infants at eight months (168 girls), and in 197 infants at 24 months (82 girls). Mean standard scores for each sleep domain were calculated in both samples. Polygenic risk scores (PRS) were used to quantitate the genetic risk for eveningness (PRSBestFit) and morningness (PRS10kBest). RESULTS PRSBestFit associated with longer sleep-onset latency and later bedtime, and PRS10kBest related to shorter sleep-onset latency in CS. The link between genetic risk for diurnal preference and sleep-onset latency was replicated in FB, and meta-analysis resulted in associations (P<0.0005) with both PRS-values (PRSBestFit: Z=3.55; and PRS10kBest: Z=-3.68). Finally, PRSBestFit was related to actigraphy-based lower sleep efficiency and longer sleep latency at eight months. CONCLUSION Genetic liability to diurnal preference for eveningness relates to longer sleep-onset during the first two years of life, and to objectively measured lowered sleep efficiency. These findings enhance our understanding on the biological factors affecting sleep development, and contribute to clarify the physiological sleep architecture in early childhood.
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Affiliation(s)
- Isabel Morales-Muñoz
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Institute for Mental Health, School of Psychology, University of Birmingham, Birmingham, UK
| | - Katri Kantojärvi
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Department of Psychiatry and SleepWell Research Program, Faculty of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Veli-Matti Uhre
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Outi Saarenpää-Heikkilä
- Pediatric Clinic, Tampere University Hospital, Tampere, Finland.,Tampere Centre for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Anneli Kylliäinen
- Psychology, Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Pirjo Pölkki
- Department of Social Sciences, University of Eastern Finland, Kuopio, Finland
| | - Sari-Leena Himanen
- Department of Clinical Neurophysiology, Tampere University Hospital, Medical Imaging Centre and Hospital Pharmacy, Pirkanmaa Hospital District, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Linnea Karlsson
- The FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland.,Centre for Population Health Research, Turku University Hospital and University of Turku, Turku, Finland.,Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - Hasse Karlsson
- The FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland.,Centre for Population Health Research, Turku University Hospital and University of Turku, Turku, Finland.,Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - E Juulia Paavonen
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Pediatric Research Center, Child Psychiatry, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tiina Paunio
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Department of Psychiatry and SleepWell Research Program, Faculty of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
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12
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Delaruelle K, Dierckens M, Vandendriessche A, Deforche B, Poppe L. Adolescents' sleep quality in relation to peer, family and school factors: findings from the 2017/2018 HBSC study in Flanders. Qual Life Res 2020; 30:55-65. [PMID: 32865698 DOI: 10.1007/s11136-020-02614-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE While a multitude of studies focused on biological and behavioral determinants of adolescents' sleep quality, a paucity of research examined the impact of social factors. The current study therefore examines the relationship between adolescents' sleep quality and peer, family and school factors. METHODS Data of Flemish participants in the 2017/2018 Health Behavior in School-aged Children survey (HBSC) were used, which is representative of the adolescent population (11-18 years) in Flanders. Adolescents' sleep quality was linked to individual-level data on peer relationships (i.e., peer support), family relationships (i.e., family support, perceived family wealth, caregiving responsibilities) and school relationships (i.e., teacher support, school support, school pressure) and contextual-level data on the school culture. Three-level multilevel models were fitted to account for the clustering of individuals (N = 8153) within classes (N = 769) and classes within schools (N = 177). RESULTS The individual-level results indicated that adolescents' sleep quality was positively related to family support, teacher support, student support and perceived family wealth. In contrast, adolescents' sleep quality was negatively related to caregiving responsibilities and school pressure. In addition, the contextual-level results pointed out that adolescents tended to report better sleep quality in less-demanding schools. CONCLUSION These findings highlight the need to consider social factors in promoting better sleep in adolescence.
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Affiliation(s)
- Katrijn Delaruelle
- Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium. .,Health Promotion Unit, Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium.
| | - Maxim Dierckens
- Health Promotion Unit, Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Ann Vandendriessche
- Health Promotion Unit, Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Benedicte Deforche
- Health Promotion Unit, Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium.,Movement and Nutrition for Health and Performance Research Group, Faculty of Physical Education and Physiotherapy, Pleinlaan 2, 1050, Elsene, Belgium
| | - Louise Poppe
- Health Promotion Unit, Department of Public Health and Primary Care, Ghent University, Corneel Heymanslaan 10, 9000, Ghent, Belgium
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Abstract
Sleep disturbance is common among individuals with alcohol use disorder (AUD). Insomnia not only is a pathway toward alcohol consumption but also is related to increased risk of relapse, psychosocial impairment, decreased quality of life, and suicidal ideation in individuals with AUD. Few studies examining sleep disturbance and alcohol use have explored how this relationship differs between men and women. Historically, studies of AUD have included few, if any, women in their samples. However, women are increasingly consuming alcohol at an earlier age and at higher rates, and the effect of alcohol on women's mental and physical health is expected to rise. This narrative review consolidates findings from studies that have reported the effects of acute and chronic alcohol use on sleep among women. Additional research is needed to investigate sex differences in this area. Such research should consider the modifying effects of age, lifetime alcohol use, and psychiatric co-occurrence, as well as the effectiveness of combined interventions for AUD and sleep disturbance.
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Affiliation(s)
- Sarah M Inkelis
- Joint Doctoral Program in Clinical Psychology, San Diego State University and University of California San Diego, San Diego, California
| | - Brant P Hasler
- Department of Psychiatry, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Fiona C Baker
- Center for Health Sciences, SRI International, Menlo Park, California; School of Physiology, University of the Witwatersrand, Johannesburg, South Africa
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14
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Winnebeck EC, Vuori-Brodowski MT, Biller AM, Molenda C, Fischer D, Zerbini G, Roenneberg T. Later school start times in a flexible system improve teenage sleep. Sleep 2019; 43:5678526. [DOI: 10.1093/sleep/zsz307] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/15/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
Sleep deprivation in teenage students is pervasive and a public health concern, but evidence is accumulating that delaying school start times may be an effective countermeasure. Most studies so far assessed static changes in schools start time, using cross-sectional comparisons and one-off sleep measures. When a high school in Germany introduced flexible start times for their senior students—allowing them to choose daily between an 8 am or 9 am start (≥08:50)—we monitored students’ sleep longitudinally using subjective and objective measures. Students (10–12th grade, 14–19 y) were followed 3 weeks prior and 6 weeks into the flexible system via daily sleep diaries (n = 65) and a subcohort via continuous wrist-actimetry (n = 37). Satisfaction and perceived cognitive outcomes were surveyed at study end. Comparisons between 8 am and ≥9 am-starts within the flexible system demonstrated that students slept 1.1 h longer when starting school later—independent of gender, grade, chronotype, and frequency of later starts; sleep offsets were delayed but, importantly, onsets remained unchanged. Sleep quality was increased and alarm-driven waking reduced. However, overall sleep duration in the flexible system was not extended compared to baseline—likely because students did not start later frequently enough. Nonetheless, students were highly satisfied with the flexible system and reported cognitive and sleep improvements. Therefore, flexible systems may present a viable alternative for implementing later school starts to improve teenage sleep if students can be encouraged to use the late-option frequently enough. Flexibility may increase acceptance of school start changes and speculatively even prevent delays in sleep onsets through occasional early starts.
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Affiliation(s)
- Eva C Winnebeck
- Institute of Medical Psychology, Ludwig Maximilian University Munich, Munich, Germany
| | | | - Anna M Biller
- Institute of Medical Psychology, Ludwig Maximilian University Munich, Munich, Germany
| | - Carmen Molenda
- Institute of Medical Psychology, Ludwig Maximilian University Munich, Munich, Germany
| | - Dorothee Fischer
- Department of Sleep and Human Factors Research, German Aerospace Center, Cologne, Germany
- Division of Sleep Medicine, Brigham and Women’s Hospital, Boston, MA
- Division of Sleep and Circadian Disorders, Harvard Medical School, Boston, MA
| | - Giulia Zerbini
- Institute of Medical Psychology, Ludwig Maximilian University Munich, Munich, Germany
| | - Till Roenneberg
- Institute of Medical Psychology, Ludwig Maximilian University Munich, Munich, Germany
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15
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Kolla BP, He JP, Mansukhani MP, Kotagal S, Frye MA, Merikangas KR. Prevalence and Correlates of Hypersomnolence Symptoms in US Teens. J Am Acad Child Adolesc Psychiatry 2019; 58:712-720. [PMID: 30768408 PMCID: PMC6491259 DOI: 10.1016/j.jaac.2018.09.435] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Revised: 09/24/2018] [Accepted: 10/24/2018] [Indexed: 02/09/2023]
Abstract
OBJECTIVE Recent attention to pervasive sleep deficits in US adolescents has focused on sleep patterns and insomnia, but there are limited data on the prevalence and correlates of hypersomnolence symptoms. METHOD The sample included 6,483 adolescents 13 to 18 years of age who were interviewed directly and had parent reports in the National Comorbidity Survey Replication Adolescent Supplement (NCS-A), a nationally representative sample of US youth. Information on sleep patterns/symptoms that were collected in the interview was used to determine the population prevalence of DSM-5 criterion A-defined hypersomnolence and component symptoms. Logistic regression analyses were used to examine associations between sleepiness and sub-symptoms of hypersomnolence with weekday/weekend bedtime, sleep duration, mental disorders, and psychotropic medication use. RESULTS Of the sample, 41.5% reported feeling sleepy during the daytime and 11.7% met criteria for hypersomnolence. The prevalence of hypersomnolence varied depending on age (p < .001) and was more common in adolescent girls (odds ratio [OR] 1.40, 95% CI 1.09-1.78). Excessive sleepiness and hypersomnolence symptoms were associated with shorter sleep duration and delayed bedtimes on weekdays and weekends Hypersomnolence was significantly associated with insomnia (OR 2.45, 95% CI 1.87-3.21) and mental disorders (OR 1.99, 95% CI 1.42-2.77). After accounting for insomnia, hypersomnolence was no longer associated with use of psychotropic medication (OR 1.61, 95% CI 0.97-2.66). CONCLUSION Of adolescents with adequate sleep duration, 11.7% still reported symptoms of hypersomnolence. The strong association between hypersomnolence and insomnia suggests that sleep disorders in adolescents can fluctuate between over- and under-sleeping. Potential mechanisms underpinning the strong associations between sleep disturbances and mental disorders should be further pursued and could provide insight into prevention efforts.
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16
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Furer T, Nayak K, Shatkin JP. Exploring Interventions for Sleep Disorders in Adolescent Cannabis Users. Med Sci (Basel) 2018; 6:E11. [PMID: 29419734 PMCID: PMC5872168 DOI: 10.3390/medsci6010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/02/2018] [Accepted: 02/05/2018] [Indexed: 11/17/2022] Open
Abstract
This review summarizes the available literature on the intersection of adolescent cannabis use and sleep disturbances, along with interventions for adolescent cannabis users who suffer sleep impairments. Adolescents are susceptible to various sleep disorders, which are often exacerbated by the use of substances such as cannabis. The relationship between cannabis and sleep is bidirectional. Interventions to improve sleep impairments among adolescent cannabis users to date have demonstrated limited efficacy, although few studies indicating the benefits of behavioral interventions-such as Cognitive Behavior Therapy for Insomnia or Mindfulness Based Stress Reduction-appear promising in the treatment of sleep disorders, which are present for users of cannabis. Further research is necessary to elucidate the precise mechanisms by which cannabis use coexists with sleep impairments, along with effective interventions for those users who suffer sleep difficulties.
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Affiliation(s)
- Tzvi Furer
- Department of Child and Adolescent Psychiatry, Child Study Center at Hassenfeld Children's Hospital of New York at NYU Langone, One Park Avenue, 7th Floor, New York, NY 10016, USA.
| | - Komal Nayak
- Department of Child and Adolescent Psychiatry, Child Study Center at Hassenfeld Children's Hospital of New York at NYU Langone, One Park Avenue, 7th Floor, New York, NY 10016, USA.
| | - Jess P Shatkin
- Department of Child and Adolescent Psychiatry, Child Study Center at Hassenfeld Children's Hospital of New York at NYU Langone, One Park Avenue, 7th Floor, New York, NY 10016, USA.
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17
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Marmorstein NR. Interactions Between Energy Drink Consumption and Sleep Problems: Associations with Alcohol Use Among Young Adolescents. JOURNAL OF CAFFEINE RESEARCH 2017; 7:111-116. [PMID: 28875062 PMCID: PMC5582584 DOI: 10.1089/jcr.2017.0007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background: Energy drink consumption and sleep problems are both associated with alcohol use among adolescents. In addition, caffeine consumption (including energy drinks) is associated with sleep problems. However, information about how these three constructs may interact is limited. The goal of this study was to examine potential interactions between energy drink consumption and sleep problems in the concurrent prediction of alcohol use among young adolescents. Coffee and soda consumption were also examined for comparison. Methods: Participants from the Camden Youth Development Study were included (n = 127; mean age = 13.1; 68% Hispanic, 29% African American) and questionnaire measures of frequency of caffeinated beverage consumption (energy drinks, coffee, and soda), sleep (initial insomnia, sleep disturbances, daytime fatigue, and sleep duration), and alcohol consumption were used. Regression analyses were conducted to examine interactions between caffeinated beverage consumption and sleep in the concurrent prediction of alcohol use. Results: Energy drink consumption interacted with initial insomnia and daytime fatigue to concurrently predict particularly frequent alcohol use among those with either of these sleep-related problems and energy drink consumption. The pattern of results for coffee consumption was similar for insomnia but reached only a trend level of significance. Results of analyses examining soda consumption were nonsignificant. Conclusions: Young adolescents who both consume energy drinks and experience initial insomnia and/or daytime fatigue are at particularly high risk for alcohol use. Coffee consumption appears to be associated with similar patterns. Longitudinal research is needed to explain the developmental pathways by which these associations emerge, as well as mediators and moderators of these associations.
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18
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Marmorstein NR. Sleep patterns and problems among early adolescents: Associations with alcohol use. Addict Behav 2017; 66:13-16. [PMID: 27863322 DOI: 10.1016/j.addbeh.2016.11.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 09/15/2016] [Accepted: 11/01/2016] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Sleep and sleep-related problems are associated with alcohol use and related problems among adults. However, existing research on associations between sleep and alcohol use among early adolescents is minimal, and potential individual and family factors that may affect this association remain largely unexplored. We examined potential associations between frequency of alcohol use and initial insomnia, subjective daytime sleepiness, sleep irregularity, and disturbed sleep among a low-income, ethnic minority sample of early adolescents; we also considered whether psychopathology symptoms and/or parental monitoring accounted for any associations found. METHODS 127 youth who participated in the Camden Youth Development Study (64 male; mean age=13.2; 71% Hispanic, 32% African-American) were assessed using self-report measures of sleep, alcohol use, psychopathology symptoms (depressive and conduct disorder), and parental monitoring; in addition, teacher reports of attention-deficit hyperactivity disorder were used. RESULTS Initial insomnia and daytime sleepiness (but not sleep irregularity or disturbed sleep) were associated with frequency of alcohol use. The association between initial insomnia and alcohol use remained significant when each form of psychopathology and parental monitoring were adjusted for. CONCLUSIONS Among early adolescents, frequency of alcohol use is associated with initial insomnia, even once symptoms of psychopathology and family environment (parental monitoring) are adjusted for. Longitudinal research investigating the direction of this effect and other possible mediators and moderators would be useful in developing preventative and treatment interventions.
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19
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De Bruin EJ, van Steensel FJA, Meijer AM. Cost-Effectiveness of Group and Internet Cognitive Behavioral Therapy for Insomnia in Adolescents: Results from a Randomized Controlled Trial. Sleep 2016; 39:1571-81. [PMID: 27306272 DOI: 10.5665/sleep.6024] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 05/05/2016] [Indexed: 11/03/2022] Open
Abstract
STUDY OBJECTIVES To investigate cost-effectiveness of adolescent cognitive behavioral therapy for insomnia (CBTI) in group- and Internet-delivered formats, from a societal perspective with a time horizon of 1 y. METHODS Costs and effects data up to 1-y follow-up were obtained from a randomized controlled trial (RCT) comparing Internet CBTI to face-to-face group CBTI. The study was conducted at the laboratory of the Research Institute of Child Development and Education at the University of Amsterdam, and the academic youth mental health care center UvAMinds in Amsterdam. Sixty-two participants meeting Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision criteria for insomnia were randomized to face-to-face group CBTI (GT; n = 31, age = 15.6 y ± 1.8, 71.0% girls) or individual Internet CBTI (IT; n = 31, age = 15.4 y ± 1.5, 83.9% girls). The intervention consisted of six weekly sessions and a 2-mo follow up booster-session of CBTI, consisting of psychoeducation, sleep hygiene, restriction of time in bed, stimulus control, cognitive therapy, and relaxation techniques. GT sessions were held in groups of six to eight adolescents guided by two trained sleep therapists. IT consisted of individual Internet therapy with preprogrammed content similar to GT, and guided by trained sleep therapists. RESULTS Outcome measures were subjective sleep efficiency (SE) ≥ 85%, and quality-adjusted life-years (QALY). Analyses were conducted from a societal perspective. Incremental cost-effectiveness ratios (ICERs) were calculated using bootstrap sampling, and presented in cost-effectiveness planes. Primary analysis showed costs over 1 y were higher for GT but effects were similar for IT and GT. Bootstrapped ICERs demonstrated there is a high probability of IT being cost-effective compared to GT. Secondary analyses confirmed robustness of results. CONCLUSIONS Internet CBTI is a cost-effective treatment compared to group CBTI for adolescents, although effects were largely similar for both formats. Further studies in a clinical setting are warranted. CLINICAL TRIAL REGISTRATION ID: ISRCTN33922163; trial name: Effectiveness of cognitive behavioral therapy for sleeplessness in adolescents; URL: http://www.isrctn.com/ISRCTN33922163.
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Affiliation(s)
- Eduard J De Bruin
- Research Institute of Child Development and Education, University of Amsterdam, The Netherlands
| | | | - Anne Marie Meijer
- Research Institute of Child Development and Education, University of Amsterdam, The Netherlands
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20
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Grigson PS. Addiction: A preclinical and clinical analysis. Brain Res Bull 2016; 123:1-4. [PMID: 27005437 PMCID: PMC5676458 DOI: 10.1016/j.brainresbull.2016.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Gustafsson ML, Laaksonen C, Aromaa M, Asanti R, Heinonen OJ, Koski P, Koivusilta L, Löyttyniemi E, Suominen S, Salanterä S. Association between amount of sleep, daytime sleepiness and health-related quality of life in schoolchildren. J Adv Nurs 2016; 72:1263-72. [DOI: 10.1111/jan.12911] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2015] [Indexed: 11/29/2022]
Affiliation(s)
| | - Camilla Laaksonen
- Turku University of Applied Sciences, Health and Well-being; Finland
| | - Minna Aromaa
- Policlinic for Children and Adolescents; City of Turku; Finland
| | - Riitta Asanti
- Department of Teacher Education; Turku Unit; University of Turku; Finland
| | - Olli J. Heinonen
- Paavo Nurmi Centre & Department of Health and Physical Activity; University of Turku; Finland
| | - Pasi Koski
- Department of Teacher Education; Rauma Unit; University of Turku; Finland
| | - Leena Koivusilta
- University Consortium of Seinäjoki; School of Health Sciences; University of Tampere; Finland
| | | | | | - Sanna Salanterä
- Department of Nursing Science, and Turku University Hospital; University of Turku; Finland
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22
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Integrative Model of the Relationship Between Sleep Problems and Risk for Youth Substance Use. CURRENT ADDICTION REPORTS 2015. [DOI: 10.1007/s40429-015-0052-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Urrila AS, Paunio T, Palomäki E, Marttunen M. Sleep in adolescent depression: physiological perspectives. Acta Physiol (Oxf) 2015; 213:758-77. [PMID: 25561272 DOI: 10.1111/apha.12449] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 06/02/2014] [Accepted: 12/24/2014] [Indexed: 12/14/2022]
Abstract
Depression and disturbed sleep are intimately and bidirectionally related. During adolescence, the incidence of both insomnia and major depression increases simultaneously, in a gender-specific manner. The majority of depressed adolescents suffer from different types of subjective sleep complaints. Despite these complaints, the results from polysomnographic studies in depressed adolescents remain inconsistent. In general, similar features to those seen among adults with depressive disorder (e.g. abnormalities in rapid eye movement sleep and difficulties in sleep onset) have been reported, but expressed to a lesser degree. The inconsistency in findings may be linked with maturational factors, factors related to the stage of illness and greater heterogeneity in the clinical spectrum of depression among adolescents. The exact neurobiological mechanisms by which sleep alterations and depression are linked during adolescence are not fully understood. Aberrations in brain maturation, expressed at different levels of organization, for example gene expression, neurotransmitter and hormone metabolism, and activity of neuronal networks have been suggested. The circadian systems may change in adolescent depression beyond that observed during healthy adolescent development (i.e. beyond the typical circadian shift towards eveningness). A number of therapeutic approaches to alleviate sleep disruption associated with depression have been proposed, but research on the efficacy of these interventions in adolescents is lacking. Knowledge of the neurobiological links between sleep and depression during adolescence could lead to new insights into effective prevention and treatment of depression.
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Affiliation(s)
- A. S. Urrila
- Department of Health, Mental Health Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Adolescent Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
| | - T. Paunio
- Department of Health, Genomics and Biomarkers Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
| | - E. Palomäki
- Department of Physiology; Institute of Biomedicine; University of Helsinki; Helsinki Finland
| | - M. Marttunen
- Department of Health, Mental Health Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Adolescent Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
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Chen TY, Chou YC, Tzeng NS, Chang HA, Kuo SC, Pan PY, Yeh YW, Yeh CB, Mao WC. Effects of a selective educational system on fatigue, sleep problems, daytime sleepiness, and depression among senior high school adolescents in Taiwan. Neuropsychiatr Dis Treat 2015; 11:741-50. [PMID: 25834449 PMCID: PMC4372029 DOI: 10.2147/ndt.s77179] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE The aim of the study reported here was to clarify the effects of academic pressure on fatigue, sleep problems, daytime sleepiness, and depression among senior high school adolescents in Taiwan. METHODS This cross-sectional study enrolled 757 senior high school adolescents who were classified into four groups: Grade 1 (n=261), Grade 2 (n=228), Grade 3T (n=199; Grade 3 students who had another college entrance test to take), and Grade 3S (n=69; Grade 3 students who had succeeded in their college application). Fatigue, sleep quality, daytime sleepiness, and depression were assessed using the Chinese version of the Multidimensional Fatigue Symptom Inventory - Short Form, Pittsburgh Sleep Quality Index-Taiwan Form, the Chinese version of the Epworth Sleepiness Scale, and the Chinese version of the Beck Depression Inventory(®)-II (BDI-II), respectively. RESULTS Physical, emotional, and mental fatigue scores were all higher in higher-grade groups. The Grade 3T (test) students had the worst fatigue severity, and the Grade 3S (success) students had the least fatigue severity. More than half of the students (60.9%) went to bed after 12 am, and they had on average 6.0 hours of sleep per night. More than 30% of the students in Grade 2 (37.3%) and Grades 3T/S (30.2%/30.4%) possibly had daily sleepiness problems. The students in Grade 3T had the worst BDI-II score (13.27±9.24), and the Grade 3S students had a much lower BDI-II score (7.91±6.13). CONCLUSION Relatively high proportions of fatigue, sleep problems, daytime sleepiness, and depression among senior high school adolescents were found in our study. The severities of fatigue, sleep problems, and depression were significantly diminished in the group under less academic stress (Grade 3S). Our findings may increase the understanding of the mental health of senior high school students under academic pressure in Taiwan. Further large sample size and population-based study should be done for better understanding about this topic.
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Affiliation(s)
- Tien-Yu Chen
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Yu-Ching Chou
- School of Public Health, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Nian-Sheng Tzeng
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China ; Student Counseling Center, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Hsin-An Chang
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China ; Student Counseling Center, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Shin-Chang Kuo
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China ; Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Pei-Yin Pan
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Yi-Wei Yeh
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China ; Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Chin-Bin Yeh
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Wei-Chung Mao
- Department of Psychiatry, Tri-Service General Hospital, Taipei, Taiwan, Republic of China ; School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China ; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan, Republic of China
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Prospective relationships between sleep problems and substance use, internalizing and externalizing problems. J Youth Adolesc 2014; 44:379-88. [PMID: 25385390 DOI: 10.1007/s10964-014-0213-9] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 10/28/2014] [Indexed: 12/21/2022]
Abstract
While research has shown that sleep problems and substance use are reciprocally associated in adults, much less is known about this association in early adolescence. The main aim of the current longitudinal study was to explore bidirectional relationships between sleep problems, substance use, internalizing and externalizing problems in young adolescents. A prospective design was used incorporating two waves (approximately 1 year interval). A total of 555 young adolescents (290 females, M age = 13.96) participated in this study. All participants completed self-report measures in classrooms during regular school hours (questionnaires about sleep quality and sleep hygiene were used to measure sleep problems). The results indicated that sleep problems predicted changes in substance use, internalizing and externalizing problems over time, but problem behaviours did not predict changes in sleep problems, adjusted for gender, age and puberty. One exception was that alcohol use negatively predicted changes in sleep problems. This study suggests that sleep problems are important precursors of substance use, internalizing and externalizing problems in adolescence.
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26
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Lehto JE, Uusitalo-Malmivaara L. Sleep-related factors: associations with poor attention and depressive symptoms. Child Care Health Dev 2014; 40:419-25. [PMID: 23594033 DOI: 10.1111/cch.12063] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/25/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Sleep duration is known to be associated with depression and attention deficits in children, though the majority of studies have focused on adolescents. Attention problems and depressive symptoms related to sleep factors have not been studied simultaneously in the non-clinical child population before. METHODS Sleep quantity, adverse bedtime behaviour, daytime sleepiness, poor attention and symptoms of depression were assessed using self-report measures. The participants were 11 years old (n = 439). RESULTS Short sleep duration during the school week is related to poor attention and high depression. It is not a significant predictor of low attention and high depression symptoms in logistic regression analyses. Instead, adverse bedtime behaviour and daytime sleepiness predict them highly significantly. CONCLUSIONS Short sleep duration is related to poor attention and depressive symptoms as suggested by previous work. However, the significant role of other sleep-related factors calls for further research.
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Affiliation(s)
- J E Lehto
- Open University, University of Helsinki, Helsinki, Finland
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Abstract
Alcohol acts as a sedative that interacts with several neurotransmitter systems important in the regulation of sleep. Acute administration of large amounts of alcohol prior to sleep leads to decreased sleep-onset latency and changes in sleep architecture early in the night, when blood alcohol levels are high, with subsequent disrupted, poor-quality sleep later in the night. Alcohol abuse and dependence are associated with chronic sleep disturbance, lower slow-wave sleep, and more rapid-eye-movement sleep than normal, that last long into periods of abstinence and may play a role in relapse. This chapter outlines the evidence for acute and chronic alcohol effects on sleep architecture and sleep electroencephalogram, evidence for tolerance with repeated administration, and possible underlying neurochemical mechanisms for alcohol's effects on sleep. Also discussed are sex differences as well as effects of alcohol on sleep homeostasis and circadian regulation. Evidence for the role of sleep disruption as a risk factor for developing alcohol dependence is discussed in the context of research conducted in adolescents. The utility of sleep-evoked potentials in the assessment of the effects of alcoholism on sleep and the brain and in abstinence-mediated recovery is also outlined. The chapter concludes with a series of questions that need to be answered to determine the role of sleep and sleep disturbance in the development and maintenance of problem drinking and the potential beneficial effects of the treatment of sleep disorders for maintenance of abstinence in alcoholism.
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Affiliation(s)
- Ian M Colrain
- Center for Health Sciences, SRI International, Menlo Park, CA, USA; Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, Vic., Australia.
| | - Christian L Nicholas
- Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, Vic., Australia
| | - Fiona C Baker
- Center for Health Sciences, SRI International, Menlo Park, CA, USA; Brain Function Research Group, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa
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Mackert M, Lazard A, Guadagno M, Hughes Wagner J. The role of implied motion in engaging audiences for health promotion: encouraging naps on a college campus. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2014; 62:542-551. [PMID: 25061996 DOI: 10.1080/07448481.2014.944534] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE Lack of sleep among college students negatively impacts health and academic outcomes. Building on research that implied motion imagery increases brain activity, this project tested visual design strategies to increase viewers' engagement with a health communication campaign promoting napping to improve sleep habits. PARTICIPANTS PARTICIPANTS (N = 194) were recruited from a large southwestern university in October 2012. METHODS Utilizing an experimental design, participants were assigned to 1 of 3 conditions: an implied motion superhero spokes-character, a static superhero spokes-character, and a control group. RESULTS The use of implied motion did not achieve the hypothesized effect on message elaboration, but superheroes are a promising persuasive tool for health promotion campaigns for college audiences. CONCLUSIONS Implications for sleep health promotion campaigns and the role of implied motion in message design strategies are discussed, as well as future directions for research on the depiction of implied motion as it relates to theoretical development.
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Affiliation(s)
- Michael Mackert
- a Department of Advertising and Public Relations , The University of Texas at Austin , Austin , Texas
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Morioka H, Itani O, Kaneita Y, Ikeda M, Kondo S, Yamamoto R, Osaki Y, Kanda H, Higuchi S, Ohida T. Associations between sleep disturbance and alcohol drinking: A large-scale epidemiological study of adolescents in Japan. Alcohol 2013; 47:619-28. [PMID: 24188738 DOI: 10.1016/j.alcohol.2013.09.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 08/26/2013] [Accepted: 09/23/2013] [Indexed: 10/26/2022]
Abstract
In this study, we attempted to clarify the associations between various sleep disturbance symptoms and the frequency and amount of alcohol use among Japanese adolescents. This study was designed as a cross-sectional sampling survey. A self-administered questionnaire survey was administered to students enrolled in randomly selected junior and senior high schools throughout Japan. A total of 99,416 adolescents responded, and 98,867 questionnaires were subjected to analysis. The prevalence rates of sleep disturbance in the 30 days preceding the day of the survey were as follows: subjectively insufficient sleep (SIS) (boys: 37.6%, girls: 38.7%); short sleep duration (SSD) with less than 6 h of sleep (boys: 28.0%, girls: 33.0%); difficulty initiating sleep (DIS) (boys: 12.5%, girls: 14.1%); difficulty maintaining sleep (DMS) (boys: 10.1%, girls: 10.9%); and early morning awakening (EMA) (boys: 5.1%, girls: 5.0%). Adolescents reporting one or more symptoms of DIS, DMS, and EMA were classified as having insomnia, and its prevalence was 21.5%. The prevalence of each symptom of sleep disturbance increased significantly with the number of days on which alcohol was consumed in the previous 30 days and the amount of alcohol consumed per drinking session (p < 0.01). Multiple logistic regression analyses showed that the adjusted odds ratio (AOR) for each symptom of sleep disturbance, except SIS and EMA, tended to increase with the number of days on which alcohol was consumed and the amount of alcohol consumed per drinking session. The prevalence of sleep disturbance is particularly high among adolescents drinking alcohol. The risk of having each symptom of sleep disturbance, except SIS and EMA, increases with the number of days on which alcohol was consumed and the amount of alcohol consumed per drinking session. These findings reconfirm the need to eliminate underage drinking to ensure good sleep among adolescents.
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Kenney SR, Lac A, LaBrie JW, Hummer, JF, Pham A. Mental health, sleep quality, drinking motives, and alcohol-related consequences: a path-analytic model. J Stud Alcohol Drugs 2013; 74:841-51. [PMID: 24172110 PMCID: PMC3817046 DOI: 10.15288/jsad.2013.74.841] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 04/29/2013] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Poor mental health, sleep problems, drinking motivations, and high-risk drinking are prevalent among college students. However, research designed to explicate the interrelationships among these health risk behaviors is lacking. This study was designed to assess the direct and indirect influences of poor mental health (a latent factor consisting of depression, anxiety, and stress) to alcohol use and alcohol-related consequences through the mediators of global sleep quality and drinking motives in a comprehensive model. METHOD Participants were 1,044 heavy-drinking college students (66.3% female) who completed online surveys. RESULTS A hybrid structural equation model tested hypotheses involving relations leading from poor mental health to drinking motives and poorer global sleep quality to drinking outcomes. Results showed that poor mental health significantly predicted all four subscales of drinking motivations (social, coping, conformity, and enhancement) as well as poor sleep. Most of the drinking motives and poor sleep were found to explain alcohol use and negative alcohol consequences. Poor sleep predicted alcohol consequences, even after controlling for all other variables in the model. The hypothesized mediational pathways were examined with tests of indirect effects. CONCLUSIONS This is the first study to assess concomitantly the relationships among three vital health-related domains (mental health, sleep behavior, and alcohol risk) in college students. Findings offer important implications for college personnel and interventionists interested in reducing alcohol risk by focusing on alleviating mental health problems and poor sleep quality.
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Affiliation(s)
- Shannon R. Kenney
- Department of Psychology, Loyola Marymount University, Los Angeles, California
| | - Andrew Lac
- Department of Psychology, Loyola Marymount University, Los Angeles, California
| | - Joseph W. LaBrie
- Department of Psychology, Loyola Marymount University, Los Angeles, California
| | - Justin F. Hummer,
- Department of Psychology, Loyola Marymount University, Los Angeles, California
| | - Andy Pham
- Department of Psychology, Loyola Marymount University, Los Angeles, California
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Parhami I, Siani A, Rosenthal RJ, Fong TW. Pathological gambling, problem gambling and sleep complaints: an analysis of the National Comorbidity Survey: Replication (NCS-R). J Gambl Stud 2013; 29:241-53. [PMID: 22396174 DOI: 10.1007/s10899-012-9299-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The purpose of this study is to investigate the relationship between sleep disturbances and gambling behavior. Data from the National Comorbidity Survey-Replication (NCS-R) was used to examine the relationship between three specific sleep complaints (difficulty initiating sleep [DIS], difficulty maintaining sleep [DMS], and early morning awakening [EMA]) and gambling behavior. Bivariate logistic regression models were used to control for potentially confounding psychiatric disorders and age. Almost half of respondents with problem gambling behavior (45.9%) and two thirds (67.7%) of respondents with pathological gambling behavior reported at least one sleep compliant. Compared to respondents with no gambling pathology, respondents with pathological gambling were significantly more likely to report at least one sleep complaint (Adjusted Odds Ratio [AOR] = 3.444, 95% CI = 1.538-7.713), to report all sleep complaints (AOR = 3.449, 95% CI = 1.503-7.914), and to report any individual complaint (DIS: OR = 2.300, 95% CI = 1.069-4.946; DMS: AOR = 4.604, 95% CI = 2.093-10.129; EMA: AOR = 3.968, 95% CI = 1.856-8.481). The relationship between problem gambling and sleep complaints were more modest (any sleep complaint: AOR = 1.794, 95% CI = 1.142-2.818; all three sleep complaints: AOR = 2.144, 95% CI = 1.169-3.931; DIS: AOR = 1.961, 95% CI = 1.204-3.194; DMS: AOR = 1.551, 95% CI = 0.951-2.529; EMA: AOR = 1.796, 95% CI = 1.099-2.935). Given the individual and societal ramifications linked with the presence of sleep problems, this study presents another health-related repercussion associated with gambling pathology rarely discussed in the literature.
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Affiliation(s)
- Iman Parhami
- UCLA Gambling Studies, Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA 90095, USA.
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Shochat T, Cohen-Zion M, Tzischinsky O. Functional consequences of inadequate sleep in adolescents: a systematic review. Sleep Med Rev 2013; 18:75-87. [PMID: 23806891 DOI: 10.1016/j.smrv.2013.03.005] [Citation(s) in RCA: 484] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Revised: 03/25/2013] [Accepted: 03/25/2013] [Indexed: 11/26/2022]
Abstract
During adolescence, changes in sleep patterns due to biological and environmental factors are well documented. Later bedtimes and inadequate sleep, i.e., short and disrupted sleep patterns, insomnia and daytime sleepiness, have become increasingly common. Accumulating evidence suggests that sleep plays a crucial role in healthy adolescent development. This review systematically explores descriptive evidence, based on prospective and cross sectional investigations, indicating that inadequate sleep is associated with negative outcomes in several areas of health and functioning, including somatic and psychosocial health, school performance and risk taking behavior. Findings highlight the need for longitudinal investigations aimed at establishing the underpinnings of these associations and for developing and implementing interventions designed to achieve healthier and more balanced sleep patterns in the adolescent population.
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Affiliation(s)
- Tamar Shochat
- Department of Nursing, Faculty of Social Welfare & Health Sciences, University of Haifa, Haifa, Israel
| | - Mairav Cohen-Zion
- School of Behavioral Sciences, Academic College of Tel Aviv-Jaffa, Tel Aviv-Jaffa, Israel
| | - Orna Tzischinsky
- Department of Behavioral Science, Emek Yezreel Academic College, Emek Yezreel, Israel.
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33
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Pasch KE, Latimer LA, Cance JD, Moe SG, Lytle LA. Longitudinal bi-directional relationships between sleep and youth substance use. J Youth Adolesc 2012; 41:1184-96. [PMID: 22752878 PMCID: PMC3431186 DOI: 10.1007/s10964-012-9784-5] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 06/19/2012] [Indexed: 12/22/2022]
Abstract
Despite the known deficits in sleep that occur during adolescence and the high prevalence of substance use behaviors among this group, relatively little research has explored how sleep and substance use may be causally related. The purpose of this study was to explore the longitudinal bi-directional relationships between sleep duration, sleep patterns and youth substance use behaviors. Participants included 704 mostly white (86.4 %) youth, 51 % female, with a baseline mean age of 14.7 years. Self-reported substance use behaviors included past month alcohol, cigarette, and marijuana use. Sleep measures included sleep duration on weekends and weekdays, total sleep, weekend oversleep, and weekend sleep delay. Cross-lagged structural equation models, accounting for clustering at the school level, were run to determine the longitudinal association between sleep and substance use adjusting for socio-demographic characteristics, pubertal status, body mass index z-score, and depressive symptoms. Cigarette use and weekend sleep were bi-directionally related as were marijuana use and total sleep. No other bi-directional associations were identified. However, alcohol use predicted shorter weekend oversleep and marijuana use predicted increased weekend sleep and weekend oversleep. Sleep patterns and duration also predicted adolescents' cigarette, alcohol, and marijuana use. Sleep, both patterns and duration, and substance use among youth are intertwined. Future research is needed to explore these bi-directional relationships, as well as other important contextual factors that may moderate these associations.
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Affiliation(s)
- Keryn E Pasch
- Department of Kinesiology and Health Education, University of Texas, Austin, TX 78712, USA.
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Parhami I, Siani A, Rosenthal RJ, Lin S, Collard M, Fong TW. Sleep and gambling severity in a community sample of gamblers. J Addict Dis 2012; 31:67-79. [PMID: 22356670 DOI: 10.1080/10550887.2011.642754] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Although sleep has been extensively studied in substance related disorders, it has yet to be examined as thoroughly in gambling-related disorders. The purpose of this study is to examine the relationship between gambling severity and sleep disturbances in a sample of non-treatment seeking gamblers (N = 96) using the Pittsburgh Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS). Mean ESS scores for recreational, problem, and pathological gamblers were 4.13, 5.81, and 8.69, respectively, with a significant difference between pathological gamblers and both problem (P = .007) and recreational gamblers (P < .001). Mean PSQI scores for recreational, problem, and pathological gamblers were 3.35, 5.30, and 5.44, respectively, with a significant difference in sleep quality between recreational and problem gamblers (P = .018), as well as recreational and pathological gamblers (P = .008). As the first study to use objective sleep measures, these findings will not only increase awareness of this relationship, but also provide a foundation on which others can investigate the benefits of screening and adjunct treatment for sleep disorders in the gambling population.
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Affiliation(s)
- Iman Parhami
- UCLA Gambling Studies Program, University of California, Los Angeles 90095, California, USA.
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36
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37
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Hasler BP, Smith LJ, Cousins JC, Bootzin RR. Circadian rhythms, sleep, and substance abuse. Sleep Med Rev 2011; 16:67-81. [PMID: 21620743 DOI: 10.1016/j.smrv.2011.03.004] [Citation(s) in RCA: 167] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 03/15/2011] [Accepted: 03/17/2011] [Indexed: 12/31/2022]
Abstract
Substance abuse is linked to numerous mental and physical health problems, including disturbed sleep. The association between substance use and sleep appears to be bidirectional, in that substance use may directly cause sleep disturbances, and difficulty sleeping may be a risk factor for relapse to substance use. Growing evidence similarly links substance use to disturbances in circadian rhythms, although many gaps in knowledge persist, particularly regarding whether circadian disturbance leads to substance abuse or dependence. Given the integral role circadian rhythms play in regulating sleep, circadian mechanisms may account in part for sleep-substance abuse interactions. Furthermore, a burgeoning research base supports a role for the circadian system in regulating reward processing, indicating that circadian mechanisms may be directly linked to substance abuse independently of sleep pathways. More work in this area is needed, particularly in elucidating how sleep and circadian disturbance may contribute to initiation of, and/or relapse to, substance use. Sleep and circadian-based interventions could play a critical role in the prevention and treatment of substance use disorders.
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Affiliation(s)
- Brant P Hasler
- University of Pittsburgh School of Medicine, Department of Psychiatry, 3811 O'Hara Street, Pittsburgh, PA 15213, USA.
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38
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Colrain IM, Baker FC. Changes in sleep as a function of adolescent development. Neuropsychol Rev 2011; 21:5-21. [PMID: 21225346 DOI: 10.1007/s11065-010-9155-5] [Citation(s) in RCA: 239] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2010] [Accepted: 12/28/2010] [Indexed: 12/18/2022]
Abstract
Adolescence is marked by dramatic changes in sleep. Older adolescents go to bed later, have an increased preference for evening activities, and sleep less than younger adolescents. This behavior change is driven by external factors, notably increased pressures from academic, social, and extracurricular activities and by biological circadian factors. There are also substantial changes in sleep architecture across adolescence, with dramatic declines in slow wave sleep, and slow wave activity (delta, ~ 0.5-4.5 Hz). These changes are associated with underlying changes in brain structure and organization, with a decrease in synaptic density likely underlying the reduction in high amplitude slow waveforms. While changes in sleep across adolescence are a normal part of development, many adolescents are getting insufficient sleep and are consequently, less likely to perform well at school, more likely to develop mood-related disturbances, be obese, and are at greater risk for traffic accidents, alcohol and drug abuse.
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Affiliation(s)
- Ian M Colrain
- Human Sleep Research Program, SRI International, 333 Ravenswood Avenue, Menlo Park, CA 94043, USA.
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Fakier N, Wild LG. Associations among sleep problems, learning difficulties and substance use in adolescence. J Adolesc 2010; 34:717-26. [PMID: 20952052 DOI: 10.1016/j.adolescence.2010.09.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2008] [Revised: 04/16/2010] [Accepted: 09/10/2010] [Indexed: 10/18/2022]
Abstract
This study investigated the relationships among sleep problems, learning difficulties and substance use in adolescence. Previous research suggests that these variables share an association with executive functioning deficits, and are intertwined. The sample comprised 427 adolescents (M age = 16 years) attending remedial schools and 276 adolescents (M age = 15 years) attending a mainstream school in Cape Town, South Africa. Participants completed anonymous self-report questionnaires. Results indicated that adolescents without learning difficulties were more likely to use tobacco, methamphetamine and cannabis, whereas those with learning difficulties engaged in more inhalant use. Adolescents who had more sleep problems were more likely to use tobacco, alcohol, methamphetamine, cannabis, inhalants, cocaine, ecstasy and any other illegal drug. Adolescents with learning difficulties had more sleep problems than those without learning difficulties. However, sleep problems remained independently associated with tobacco, cannabis and inhalant use when learning difficulties were taken into account.
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Affiliation(s)
- Nuraan Fakier
- Department of Psychology, University of Cape Town, Rondebosch 7701, South Africa.
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40
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Yen CF, King BH, Tang TC. The association between short and long nocturnal sleep durations and risky behaviours and the moderating factors in Taiwanese adolescents. Psychiatry Res 2010; 179:69-74. [PMID: 20472300 DOI: 10.1016/j.psychres.2009.02.016] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2008] [Revised: 02/13/2009] [Accepted: 02/22/2009] [Indexed: 10/19/2022]
Abstract
Sleep quantity and risky behaviours are important health issues in adolescents. This cross-sectional study aimed to examine the association between short and long nocturnal sleep durations and a variety of adolescent risky behaviours, including suicidality, violence, regular alcohol consumption, illicit drug use, truancy, unprotected sex, tattooing and criminal record of theft in a large-scale, representative population of Taiwanese adolescents, and to examine the moderating factors for the association between nocturnal sleep duration and risky behaviours. A total of 8319 adolescent students in southern Taiwan were recruited into this study and completed the questionnaires. The associations between short and long nocturnal sleep durations and adolescent risky behaviours, as well as the moderating effects of depression and socio-demographic characteristics on these associations, were examined. The results indicated that short nocturnal sleep duration was significantly associated with all risky behaviours, and long nocturnal sleep duration was significantly associated with all risky behaviours except for suicidality. Meanwhile, depression, sex, age, and maternal education level had moderating effects on the association between nocturnal sleep duration and several risky behaviours. The findings imply that professionals should investigate the concomitant risky behaviours in adolescents with short or long nocturnal sleep duration.
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Affiliation(s)
- Cheng-Fang Yen
- Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, and Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Pieters S, Van Der Vorst H, Burk WJ, Wiers RW, Engels RCME. Puberty-dependent sleep regulation and alcohol use in early adolescents. Alcohol Clin Exp Res 2010; 34:1512-8. [PMID: 20569245 DOI: 10.1111/j.1530-0277.2010.01235.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Research has shown a bi-directional relation between alcohol use and sleep regulation in adults. Much less is known about this association in early adolescents, while profound puberty-dependent transitions regarding sleep patterns take place in early adolescence. Moreover, puberty has been associated with an increase in alcohol use of adolescents. METHODS In this study, we investigated the associations between pubertal development, sleep preference, sleep problems, and alcohol use in 431 early adolescents (mean age: 13.66). Second, it was studied whether the associations changed when controlling for adolescent internalizing and externalizing problems. Furthermore, we included gender as a moderator on all the associations. RESULTS Results showed that pubertal development was positively associated with sleep problems and more evening-type tendencies (e.g., favoring later bedtimes), which in turn were positively related to alcohol use. Underlying psychopathology, gender and educational level did not change these relationships. CONCLUSIONS From this study, it can be concluded that both puberty and sleep regulation are important factors in explaining alcohol use in early adolescence.
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Affiliation(s)
- Sara Pieters
- Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, the Netherlands.
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Wong MM, Brower KJ, Nigg JT, Zucker RA. Childhood sleep problems, response inhibition, and alcohol and drug outcomes in adolescence and young adulthood. Alcohol Clin Exp Res 2010; 34:1033-44. [PMID: 20374209 DOI: 10.1111/j.1530-0277.2010.01178.x] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND To our knowledge, no prospective studies examine the relationships among childhood sleep problems, adolescent executive functioning, and substance outcomes (i.e., substance use and substance-related problems). In this study, we examined whether childhood sleep problems predicted adolescent sleep problems and response inhibition. We also tested whether adolescent sleep problems and poor response inhibition mediated the relationship between childhood sleep problems and substance (alcohol and drug) outcomes in young adulthood. METHODS Study participants were 292 boys and 94 girls (M = 4.85, SD = 1.47) from a community sample of high-risk families and controls. RESULTS When compared to their counterparts, those with trouble sleeping in childhood were twice as likely to have the same problem in adolescence. Childhood overtiredness predicted poor response inhibition in adolescence. Persistent trouble sleeping from childhood to adolescence and response inhibition in adolescence mediated the relationship between childhood sleep problems and drug outcomes in young adulthood, whereas overtiredness in childhood directly predicted alcohol use outcomes and alcohol-related problems in young adulthood. CONCLUSIONS This is the first study showing a long-term relationship between childhood sleep measures and subsequent alcohol and drug outcomes. The developmental and clinical implications of these findings were discussed. Prevention and intervention programs may want to consider the role of sleep problems and response inhibition on substance use and abuse.
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Affiliation(s)
- Maria M Wong
- Department of Psychology, Idaho State University, Pocatello, Idaho 83209-8112, USA.
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Fukuda S, Yamano E, Joudoi T, Mizuno K, Tanaka M, Kawatani J, Takano M, Tomoda A, Imai-Matsumura K, Miike T, Watanabe Y. Effort-reward imbalance for learning is associated with fatigue in school children. Behav Med 2010; 36:53-62. [PMID: 20497943 DOI: 10.1080/08964281003774919] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
We examined relationships among fatigue, sleep quality, and effort-reward imbalance for learning in school children. We developed an effort-reward for learning scale in school students and examined its reliability and validity. Self-administered surveys, including the effort reward for leaning scale and fatigue scale, were completed by 1,023 elementary school students (grades 4-6) and 1,361 junior high school students (grades 7-9) at the end of 2006. Effort-reward imbalance for learning was associated with a high incidence of fatigue and sleep problems in elementary and junior high school students of both genders. A good relationship with family was associated with a low fatigue score in junior high school boys, and a good relationship with friends was associated with a low fatigue score in junior high school girls by multiple regression analysis. Fatigue score was associated with effort-reward imbalance and fatigue and quality of sleep in schoolchildren. Fatigue may lead to a decline in school performance, negative health outcomes, or refusal to attend school. These results suggest that it is desirable to consider social support, quality of sleep, and effort-reward imbalance when managing fatigue in school children.
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Affiliation(s)
- Sanae Fukuda
- Department of Biomarker and Molecular Biophysics, Osaka City University Graduate School of Medicine, Osaka, Japan.
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Urner M, Tornic J, Bloch KE. Sleep patterns in high school and university students: a longitudinal study. Chronobiol Int 2009; 26:1222-34. [PMID: 19731114 DOI: 10.3109/07420520903244600] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We performed a longitudinal study to investigate whether changes in social zeitgebers and age alter sleep patterns in students during the transition from high school to university. Actimetry was performed on 24 high-school students (mean age+/-SD: 18.4+/-0.9 yrs; 12 females) for two weeks. Recordings were repeated in the same subjects 5 yrs later when they were university students. The sleep period duration and its center, the mid-sleep time, and total sleep time were estimated by actimetry. Actigraphic total sleep time was similar when in high school and at the university on school days (6.31+/-0.47 vs. 6.45+/-0.80 h, p = ns) and longer on leisure days by 1.10+/-1.10 h (p < 0.0001 vs. school days) when in high school, but not at the university. Compared to the high school situation, the mid-sleep time was delayed when at the university on school days (03:11+/-0.6 vs. 03:55+/-0.7 h, p < 0.0001), but not on leisure days. Individual mid-sleep times on school and leisure days when in high school were significantly correlated with the corresponding values 5 yrs later when at the university (r = 0.58 and r = 0.55, p < 0.05, respectively). The large differences in total sleep time between school and leisure days when students attended high school and the delayed mid-sleep time on school days when students attended university are consistent with a circadian phase shift due to changes in class schedules, other zeitgebers, and lifestyle preferences. Age-related changes may also have occurred, although some individuality of the sleep pattern was maintained during the 5 yr study span. These findings have important implications for optimizing school and work schedules in students of different age and level of education.
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Affiliation(s)
- Martin Urner
- Sleep Disorders Center, Pulmonary Division, Department of Internal Medicine, University Hospital of Zurich, Switzerland
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Abstract
Substance use disorders and sleep disorders are among the most common psychiatric problems in children and adolescents. They often co-occur and have a significant negative effect upon normal development. This article provides a review of the most recent literature on the relationship between these disorders, along with recommendations on how to recognize and clinically address these disorders in children and adolescents.
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Affiliation(s)
- Irina Gromov
- Matrix Alliance Associates, Inc, Department of Psychiatry, The University of Texas Southwestern Medical Center, 8222 Douglas Avenue, Suite 375, Dallas, TX 75225, USA.
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Wong MM, Brower KJ, Zucker RA. Childhood sleep problems, early onset of substance use and behavioral problems in adolescence. Sleep Med 2009; 10:787-96. [PMID: 19138880 PMCID: PMC2716423 DOI: 10.1016/j.sleep.2008.06.015] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2008] [Revised: 06/16/2008] [Accepted: 06/29/2008] [Indexed: 10/21/2022]
Abstract
BACKGROUND Very few prospective studies examine the relationship between childhood sleep problems and subsequent substance use. In this study, we examined how sleep problems at ages 3-8 predicted onset of alcohol, cigarette, and marijuana use in adolescence. We also investigated the relationships between childhood sleep problems and adolescent internalizing and externalizing problems. METHODS Study participants were 292 boys and 94 girls from a community sample of high risk families and controls in an ongoing longitudinal study. RESULTS Controlling for parental alcoholism, sleep problems at ages 3-8 predicted onset of alcohol, cigarette, and marijuana use among boys and onset of alcohol use among girls. Childhood sleep problems were related to maternal ratings of internalizing and externalizing problems during adolescence for both boys and girls. Adjusting for these problems did not weaken the effects of sleep problems on onset of substance use. CONCLUSIONS This is to our knowledge the first study that prospectively examines gender differences in the relationship between sleep problems and early onset of substance use. Childhood sleep problems predicted early onset of substance use for boys but not girls. If childhood sleep problems indeed increase the probability of substance use onset, greater attention by parents to sleep problems in children and adolescents would potentially have ameliorative long-term effects. Parents are encouraged to explore different ways to help their children sleep better, including obtaining information and suggestions from their primary care physicians.
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Affiliation(s)
- Maria M Wong
- Department of Psychology, Idaho State University, 921 South 8th Street, Stop 8112, Pocatello, ID 83209, USA.
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Bakotić M, Radosević-Vidacek B, Kosćec A. Educating adolescents about healthy sleep: experimental study of effectiveness of educational leaflet. Croat Med J 2009; 50:174-81. [PMID: 19399951 DOI: 10.3325/cmj.2009.50.174] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIM To evaluate how exposure to educational leaflet about healthy sleep affects knowledge about sleep in adolescents. METHODS The study included students aged 15-18 years from 12 high schools (1209 participants; 85% of eligible study population). Multistage sampling was used and the selected schools were randomly assigned into two intervention groups and two control groups, according to the Solomon experimental design. Intervention groups received educational leaflets and control groups did not. In one of the intervention groups and one of the control groups, pre-testing of knowledge about sleep was performed. Students answered the Sleep Knowledge Test, which was constructed in accordance with the information on the leaflet. Data were analyzed by four-way ANOVA and additional analyses of simple main effects were performed. RESULTS Positive effect of educational leaflet was found in students aged 15 (F = 28.46; P < 0.001), 16 (F = 5.74; P = 0.017), and 17 (F = 17.17; P < 0.001), but there was no effect in students aged 18 (P = 0.467). In male students, positive effect of the leaflet was found only in the group that had not been pre-tested (F = 6.29; P = 0.012), while in female students, it was found in both pre-tested (F = 26.24; P < 0.001) and not pre-tested group (F = 17.36; P < 0.001), with greater effect in pre-tested group (F = 5.70; P = 0.017). Female students generally showed better knowledge about sleep than male students (F = 95.95; P < 0.001). CONCLUSION Educational leaflets can be an effective first step in educating younger high school students about healthy sleep, with the method being more effective in female adolescents.
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Affiliation(s)
- Marija Bakotić
- Institute for Medical Research and Occupational Health, Ksaverska c. 2. PO Box 291, HR-10001 Zagreb, Croatia
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Hyland ME, Sodergren SC. Contribution of Lifestyle and Diet to Tiredness in Boys Aged 11-18 Years. ACTA ACUST UNITED AC 2009. [DOI: 10.1080/13590849961735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Vallido T, Peters K, O’Brien L, Jackson D. Sleep in adolescence: a review of issues for nursing practice. J Clin Nurs 2009; 18:1819-26. [DOI: 10.1111/j.1365-2702.2009.02812.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Saraceno L, Munafó M, Heron J, Craddock N, van den Bree MBM. Genetic and non-genetic influences on the development of co-occurring alcohol problem use and internalizing symptomatology in adolescence: a review. Addiction 2009; 104:1100-21. [PMID: 19438423 DOI: 10.1111/j.1360-0443.2009.02571.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIMS Alcohol problem use during adolescence has been linked to a variety of adverse consequences, including cigarette and illicit drug use, delinquency, adverse effects on pubertal brain development and increased risk of morbidity and mortality. In addition, heavy alcohol-drinking adolescents are at increased risk of comorbid psychopathology, including internalizing symptomatology (especially depression and anxiety). A range of genetic and non-genetic factors have been implicated in both alcohol problem use as well as internalizing symptomatology. However, to what extent shared risk factors contribute to their comorbidity in adolescence is poorly understood. DESIGN We conducted a systematic review on Medline, PsycINFO, Embase and Web of Science to identify epidemiological and molecular genetic studies published between November 1997 and November 2007 that examined risk factors that may be shared in common between alcohol problem use and internalizing symptomatology in adolescence. FINDINGS Externalizing disorders, family alcohol problems and stress, as well as the serotonin transporter (5-HTT) S-allele, the monoamine oxidase A (MAOA) low-activity alleles and the dopamine D2 receptor (DDR2) Taq A1 allele have been associated most frequently with both traits. An increasing number of papers are focusing upon the role of gene-gene (epistasis) and gene-environment interactions in the development of comorbid alcohol problem use and internalizing symptomatology. CONCLUSIONS Further research in adolescents is warranted; the increasing availability of large longitudinal genetically informative studies will provide the evidence base from which effective prevention and intervention strategies for comorbid alcohol problems and internalizing symptomatology can be developed.
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Affiliation(s)
- Luca Saraceno
- Department of Psychological Medicine, School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK.
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