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Jiang J, Tan H, Xia Z, Li J, Zhou S, Huang T. Serum vitamin D concentrations and sleep disorders: insights from NHANES 2011-2016 and Mendelian Randomization analysis. Sleep Breath 2024:10.1007/s11325-024-03031-2. [PMID: 38739211 DOI: 10.1007/s11325-024-03031-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/15/2024] [Accepted: 03/29/2024] [Indexed: 05/14/2024]
Abstract
OBJECTIVE This investigation seeks to examine the association between serum vitamin D concentrations and the prevalence of sleep disorders, additionally elucidating the causal relationship via Mendelian Randomization (MR) analysis. MATERIALS AND METHODS This research employed data from the National Health and Nutrition Examination Survey (NHANES) 2011-2016, focusing on adults aged 20-50 years reporting sleep disorders. The research encompassed 4913 American adults. Weighted multivariable logistic regression models and cubic spline analyses were utilized to evaluate the association between serum vitamin D concentrations and the incidence of sleep disorders. Additionally, a two-sample Mendelian Randomization analysis was performed to evaluate the potential causal link between serum vitamin D concentrations and the risk of sleep disorders. RESULTS Within the 2011-2016 NHANES cohort of the U.S. population, a notable inverse association was detected between serum vitamin D concentrations and sleep disorders (β = - 3.81, 95% CI: - 6.10 to - 1.52, p = 0.003). After multivariate adjustments, a higher incidence of sleep disorders was associated with lower vitamin D Concentrations (OR 1.52, 95% CI 1.10-2.10, trend p = 0.014). Restricted cubic spline regression analysis indicated a linear association between serum vitamin D concentrations and sleep disorders(non-linearity p > 0.05). Lastly, the two-sample MR analysis yielded evidence supporting a potential causal connection between serum vitamin D concentrations and sleep disorders, with each unit increase in genetically predicted serum vitamin D reducing the odds ratio to 0.78 (95% CI 0.61-0.99, p = 0.044). CONCLUSIONS These results imply that lower vitamin D concentrations in the population might correlate with a heightened risk of sleep disorders, suggesting the importance of considering vitamin D supplementation when treating sleep disorders.
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Affiliation(s)
- Junjie Jiang
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China
| | - Hanyu Tan
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China
| | - Zhongfang Xia
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China
| | - Jun Li
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China
| | - Shuang Zhou
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China
| | - Tao Huang
- Department of Otolaryngology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430016, Hubei Province, People's Republic of China.
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Annamalai R, Sujhithra A, Danis Vijay D. Association between vitamin D and knee osteoarthritis in Indian population: A systematic review and meta-analysis. J Clin Orthop Trauma 2023; 46:102278. [PMID: 38059053 PMCID: PMC10696121 DOI: 10.1016/j.jcot.2023.102278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/20/2023] [Accepted: 11/03/2023] [Indexed: 12/08/2023] Open
Abstract
Background Vitamin D deficiency (VDD) has been implicated in knee osteoarthritis (KOA) development and progression. Prevalence of hypovitaminosis D and osteoporosis in KOA is widely reported in Indian population. However, there is no attempt to critically evaluate the outcome of these studies. We aimed a systematic review of these studies. Methods Pubmed, Google Scholar and Web of Science last updated March 2023, were searched. We reviewed eligible studies on the association between KOA and vitamin D levels in Indian and Asian population for comparison. The mean difference (MD) of vitamin D levels and odds ratio (OR) of vitamin D status were calculated. Data were interpreted by RevMan 5.4 software. The risk of bias was assessed using the Cochrane Risk of Bias tool. Results A total of 15 studies that involved 1503 KOA cases and 1609 controls were included. There was significantly reduced level of vitamin D in KOA (MD -8.68 ng/mL, 95%CI -12.21 to -5.15; P = <0.00001, I2 = 82 %) in Indian population. Similarly, in other Asian population significantly reduced vitamin D levels in KOA (MD 18.36 ng/mL, 95%CI -34.72 to -2.00; P = <0.00001, I2 = 100 %) was observed in KOA. VDD was found to be positively correlated with an increased risk of KOA. Conclusion Early diagnosis and management of VDD may provide the opportunity to delay the ongoing degenerative process of KOA and this study indicates the importance of screening VDD even in sunlight rich regions.
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Affiliation(s)
- R. Annamalai
- Department of Orthopedics, Karpaga Vinayaga Institute of Medical Sciences and Research Centre, P.O, GST Road, Chinna Kolambakkam, Palayanoor, Maduranthakam, 603 308, Tamilnadu, India
| | - A. Sujhithra
- Department of Cardiology, Allied Health Sciences, Karpaga Vinayaga Institute of Medical Sciences and Research Centre, P.O, GST Road, Chinna Kolambakkam, Palayanoor, Maduranthakam, 603 308, Tamilnadu, India
| | - D. Danis Vijay
- Department of Microbiology, Karpaga Vinayaga Institute of Medical Sciences and Research Centre, P.O, GST Road, Chinna Kolambakkam, Palayanoor, Maduranthakam, 603 308, Tamilnadu, India
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Yin WJ, Yu LJ, Wang P, Tao RX, Jiang XM, Zhang Y, Zhu DM, Zhu P. Sleep patterns modify the association of 25(OH)D with poor cardiovascular health in pregnant women. Front Nutr 2022; 9:1013960. [PMID: 36451743 PMCID: PMC9702519 DOI: 10.3389/fnut.2022.1013960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 11/01/2022] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND The relationship between vitamin D status and gestational cardiovascular health (CVH) is inconsistent in previous studies. Emerging evidence shows that sleep behaviors are related to vitamin D metabolism. However, no studies evaluate the interaction of vitamin D and sleep behaviors on gestational CVH. OBJECTIVE We aimed to estimate the relationship between 25-hydroxyvitamin D [25(OH)D] concentrations and gestational CVH, and whether the relationship was modified by sleep behaviors. METHODS The data of this study was from a multicenter birth cohort study. A total of 9,209 pregnant women at 16-23 weeks of gestation were included. 25(OH)D concentrations were measured from collected blood. Sleep patterns consisted of major sleep behaviors including duration, chronotype, insomnia, snoring, and excessive daytime sleepiness. Data on poor CVH was based on four "clinical" CVH metrics, including body mass index, blood pressure, total cholesterol, and glucose levels. RESULTS The proportion of women with poor CVH was 25.0%. The relative risk (RR) (95%CI) of poor CVH was 0.67 (0.58-0.76) in women with 25(OH)D ≥ 50 nmol/L after multivariate adjustments. Lower 25(OH)D concentrations were significantly associated with poor CVH. Such association was also evident in subgroups analysis. We found a significant interaction of 25(OH)D (P for interaction = 0.01) with sleep patterns on the risk of poor CVH. A negative dose-response relation was observed between 25(OH)D concentrations and poor CVH risk in healthy or intermediate sleep, not poor sleep. 25(OH)D concentrations were lower and the risk of poor CVH was higher in pregnant women with poor sleep patterns (P < 0.05). CONCLUSION Our study suggests that sleep patterns modify the association of 25(OH)D concentrations with the CVH among pregnant women.
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Affiliation(s)
- Wan-jun Yin
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China
- MOE Key Laboratory of Population Health Across Life Cycle, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei, China
| | - Li-jun Yu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China
- MOE Key Laboratory of Population Health Across Life Cycle, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei, China
| | - Peng Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China
- MOE Key Laboratory of Population Health Across Life Cycle, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei, China
| | - Rui-xue Tao
- Department of Obstetrics and Gynecology, Hefei First People’s Hospital, Hefei, China
| | - Xiao-min Jiang
- Department of Obstetrics and Gynecology, Anhui Province Maternity and Child Health Hospital, Hefei, China
| | - Ying Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Dao-min Zhu
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China
- Hefei Fourth People’s Hospital, Hefei, China
- Anhui Mental Health Center, Hefei, China
| | - Peng Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China
- MOE Key Laboratory of Population Health Across Life Cycle, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei, China
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Mirzaei-Azandaryani Z, Abdolalipour S, Mirghafourvand M. The effect of vitamin D on sleep quality: A systematic review and meta-analysis. Nutr Health 2022; 28:515-526. [PMID: 35578558 DOI: 10.1177/02601060221082367] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Poor sleep quality is a common problem in the general population that affects the quality of life of individuals. Aim: This systematic review aimed to determine the effect of vitamin D on sleep quality (primary outcome) and side effects (secondary outcome). Methods: A systematic search was performed using Cochrane Library, PubMed, Embase, Web of Sciences, Scopus, Google Scholar, SID, and Magiran databases with no limit at the time of publication. Cochrane collaboration instrument was used to evaluate the quality of the included studies. RevMan software was used for meta-analysis. Mean Difference was calculated due to the same sleep quality measurement tools in all studies. Heterogeneity of studies was assessed using I-squared (I2). Due to high heterogeneity (I2 > 75%), Random Effect was used instead of Fixed Effect. Results: Out of a total of 1637 titles and abstracts found, after removing duplicate items (23 items), 1596 items were removed due to irrelevance and lack of inclusion criteria. 18 articles were fully studied due to insufficient abstract information and finally, 5 articles were entered into systematic review and meta-analysis. The results of the meta-analysis showed that the use of vitamin D supplementation significantly improves sleep quality (MD: -1.32; 95%CI: -2.55 to -0.09; P = 0.04). Conclusions: Also, according to the findings of this study, receiving vitamin D supplementation did not cause any side effects. According to the results of this review study, sleep quality in people receiving vitamin D significantly improved compared to the control group.
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Affiliation(s)
- Zahra Mirzaei-Azandaryani
- Department of Midwifery, Students Research Committee, Faculty of Nursing and Midwifery, 48432Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somyieh Abdolalipour
- Department of Midwifery, Faculty of Nursing and Midwifery, 48432Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mojgan Mirghafourvand
- Faculty of Nursing and Midwifery, Social determinants of Health Research Center, 48432Tabriz University of Medical Sciences, Tabriz, Iran
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Yazdchi M, Khanalizadeh R, Nasiri E, Naseri A, Talebi M, Talebi M. Sleep status in multiple sclerosis: Role of vitamin D and body mass index. CURRENT JOURNAL OF NEUROLOGY 2022; 21:66-73. [PMID: 38011482 PMCID: PMC9860209 DOI: 10.18502/cjn.v21i2.10489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 02/02/2022] [Indexed: 07/12/2023]
Abstract
Background: Sleep disorders are major but neglected symptoms in patients with multiple sclerosis (MS). This study aimed to describe the sleep status in patients with MS. Methods: We selected mildly-disabled [Expanded Disability Status Scale (EDSS) score < 4] patients with relapsing-remitting MS (RRMS). After determining the level of vitamin D in a blood sample of the patients, the validated Persian versions of Pittsburgh Sleep Quality Index (PSQI), Insomnia Severity Index (ISI), and snoring, tiredness, observed apnea, high blood pressure, body mass index (BMI), age, neck circumference, and gender (STOP-Bang) questionnaires were filled and the sleep condition was described. Besides, the impact of age, sex, disease duration, and EDSS on sleep status was determined. Results: 37.87% of 103 included patients with MS had poor sleep quality. 21.35% rate of subthreshold, 10.67% rate of moderate, and 1.94% rate of severe insomnia were also observed. Only 1.94% of patients had a high risk of obstructive sleep apnea (OSA). There was a significant relation between Beck Depression Inventory (BDI) score with ISI (r = 0.45, P < 0.01), PSQI (r = 0.53, P < 0.01), and STOP (r = 0.20, P = 0.03). A significant correlation between STOP with BMI (r = 0.24, P = 0.01) and age (r = 0.21, P = 0.03) was also observed. Sleep status was not significantly different in groups of the patients based on vitamin D, overweight, or sex. Conclusion: Poor sleep quality is a common finding among mildly-disabled patients with MS. There is also a 33.99% rate of subthreshold or clinical insomnia in different severities. Quality of sleep and insomnia is not significantly correlated to BMI, level of vitamin D, and sex in patients with MS.
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Affiliation(s)
- Mohammad Yazdchi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ramin Khanalizadeh
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ehsan Nasiri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirreza Naseri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mahnaz Talebi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Vitamin D Supplementation and Sleep: A Systematic Review and Meta-Analysis of Intervention Studies. Nutrients 2022; 14:nu14051076. [PMID: 35268051 PMCID: PMC8912284 DOI: 10.3390/nu14051076] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Vitamin D deficiency is associated with sleep disorders and poor sleep quality. Whether vitamin D supplementation (VDS) helps resolve these problems remains unclear. Objective: To systematically review the effect of VDS on sleep quantity, quality, and disorders, and perform a meta-analysis of available data. Methods: The reporting of this review followed the PRISMA statement. VDS human interventions studies that reported on sleep quality, quantity, or disorders were included. Medline, CINAHL, EMBASE, PsycInfo, the Cochrane Library, Clinicaltrials.gov, and the ICTRP were searched, in addition to the references of the included articles and previous relevant reviews, without language or time restrictions. Included studies were critically appraised, findings were narratively synthesized, and a meta-analysis was conducted. Furthermore, the overall certainty of the evidence was assessed. Results: A total of 19 studies were included (13 randomized controlled trials (RCTs), 1 opportunistic addition to an RCT, 4 pre−post studies, and 1 pre−post study analyzed as a case series); 3 RCTs were meta-analyses. The risk of bias was generally low. Pre−post studies showed a significant improvement in sleep quality with VDS. Similarly, the results of the meta-analysis revealed a statistically significant decrease in the Pittsburgh Sleep Quality Index with VDS compared with placebo (mean difference, −2.33 (95% CI, −3.09, −1.57); p < 0.001; I2 = 0%), with a moderate certainty of evidence. The results regarding the effect of VDS on sleep-related impairment, difficulty, and disorders, as well as sleepiness and restless legs syndrome, were not unanimous. Conclusions: VDS is promising in improving sleep quality; however, its effect on sleep quantity and disorders needs to be further investigated.
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Larsen AU, Hopstock LA, Jorde R, Grimnes G. No improvement of sleep from vitamin D supplementation: insights from a randomized controlled trial. Sleep Med X 2021; 3:100040. [PMID: 34881361 PMCID: PMC8567000 DOI: 10.1016/j.sleepx.2021.100040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 11/11/2022] Open
Abstract
Background Vitamin D has been linked to sleep health in observational studies. Data from randomized controlled trials (RCTs) with vitamin D is scarce. Methods This study presents the results of a secondary analysis of 189 vitamin D insufficient participants (47.1% women) in a previously performed RCT, of which 92 were randomized to vitamin D (100,000 IU (2500 μg) as a bolus dose followed by 20,000 IU (500 μg) per week), and 97 to placebo. At baseline and after 4 months at the end of the study serum 25-hydroxyvitamin D (s-25(OH)D) was measured, and the study questionnaire assessing sleep duration, daytime sleepiness, and symptoms of insomnia, was completed. Results At baseline, mean s-25(OH)D was 35.0 ± 11.8 and 35.5 ± 13.3 nmol/L in the vitamin D and placebo groups, respectively. After four months, we found no statistically significant differences between the intervention groups in any of the assessed sleep outcomes, neither when stratified by sex, nor when performed in subgroups based on baseline or end of study s-25(OH)D level or presence of sleep complaints at baseline. Conclusions We were not able to demonstrate a significant effect of vitamin D supplementation on sleep in this vitamin D insufficient population. RCT investigating vitamin D for 4 months in participants with low vitamin D status. Vitamin D did not improve sleep duration, excessive daytime sleepiness or insomnia. The role of vitamin D in sleep health remains controversial.
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Affiliation(s)
- A U Larsen
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - L A Hopstock
- Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - R Jorde
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - G Grimnes
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway.,Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway
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