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Kate E Sprecher

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Citation Analysis

Cox RC, Blumenstein AB, Burke TM, Depner CM, Guerin MK, Hay-Arthur E, Higgins J, Knauer OA, Lanza SM, Markwald RR, Melanson EL, McHill AW, Morton SJ, Ritchie HK, Smith MR, Smits AN, Sprecher KE, Stothard ER, Withrow D, Wright KP. Distribution of dim light melatonin offset (DLMOff) and phase relationship to waketime in healthy adults and associations with chronotype. Sleep Health 2024;10:S76-S83. [PMID: 37777359 DOI: 10.1016/j.sleh.2023.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 10/02/2023]

Abstract

OBJECTIVES

Dim light melatonin onset, or the rise in melatonin levels representing the beginning of the biological night, is the gold standard indicator of circadian phase. Considerably less is known about dim light melatonin offset, or the decrease in melatonin to low daytime levels representing the end of the biological night. In the context of insufficient sleep, morning circadian misalignment, or energy intake after waketime but before dim light melatonin offset, is linked to impaired insulin sensitivity, suggesting the need to characterize dim light melatonin offset and identify risk for morning circadian misalignment.

METHODS

We examined the distributions of dim light melatonin offset clock hour and the phase relationship between dim light melatonin offset and waketime, and associations between dim light melatonin offset, phase relationship, and chronotype in healthy adults (N = 62) who completed baseline protocols measuring components of the circadian melatonin rhythm and chronotype.

RESULTS

74.4% demonstrated dim light melatonin offset after waketime, indicating most healthy adults wake up before the end of biological night. Later chronotype (morningness-eveningness, mid-sleep on free days corrected, and average mid-sleep) was associated with later dim light melatonin offset clock hour. Later chronotype was also associated with a larger, positive phase relationship between dim light melatonin offset and waketime, except for morningness-eveningness.

CONCLUSIONS

These findings suggest morning circadian misalignment risk among healthy adults, which would not be detected if only dim light melatonin onset were assessed. Chronotype measured by sleep timing may better predict this risk in healthy adults keeping a consistent sleep schedule than morningness-eveningness preferences. Additional research is needed to develop circadian biomarkers to predict dim light melatonin offset and evaluate appropriate dim light melatonin offset timing to promote health.

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Affiliation(s)

Rebecca C Cox Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Alivia B Blumenstein Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Tina M Burke Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
Christopher M Depner Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Department of Health and Kinesiology, University of Utah, Salt Lake City, Utah, USA
Molly K Guerin Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Emily Hay-Arthur Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Janine Higgins Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
Oliver A Knauer Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Shannon M Lanza Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Rachel R Markwald Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Naval Health Research Center, San Diego, California, USA
Edward L Melanson Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA; Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
Andrew W McHill Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, Oregon, USA
Sarah J Morton Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Hannah K Ritchie Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Mark R Smith Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Alexandra N Smits Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Kate E Sprecher Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Ellen R Stothard Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Colorado Sleep Institute, Boulder, Colorado, USA
Dana Withrow Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
Kenneth P Wright Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA; Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.

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Gauglitz JM, West KA, Bittremieux W, Williams CL, Weldon KC, Panitchpakdi M, Di Ottavio F, Aceves CM, Brown E, Sikora NC, Jarmusch AK, Martino C, Tripathi A, Meehan MJ, Dorrestein K, Shaffer JP, Coras R, Vargas F, Goldasich LD, Schwartz T, Bryant M, Humphrey G, Johnson AJ, Spengler K, Belda-Ferre P, Diaz E, McDonald D, Zhu Q, Elijah EO, Wang M, Marotz C, Sprecher KE, Vargas-Robles D, Withrow D, Ackermann G, Herrera L, Bradford BJ, Marques LMM, Amaral JG, Silva RM, Veras FP, Cunha TM, Oliveira RDR, Louzada-Junior P, Mills RH, Piotrowski PK, Servetas SL, Da Silva SM, Jones CM, Lin NJ, Lippa KA, Jackson SA, Daouk RK, Galasko D, Dulai PS, Kalashnikova TI, Wittenberg C, Terkeltaub R, Doty MM, Kim JH, Rhee KE, Beauchamp-Walters J, Wright KP, Dominguez-Bello MG, Manary M, Oliveira MF, Boland BS, Lopes NP, Guma M, Swafford AD, Dutton RJ, Knight R, Dorrestein PC. Author Correction: Enhancing untargeted metabolomics using metadata-based source annotation. Nat Biotechnol 2023;41:1656. [PMID: 37853256 DOI: 10.1038/s41587-023-02025-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]

Affiliation(s)

Julia M Gauglitz Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Kiana A West Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Wout Bittremieux Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Candace L Williams Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, Escondido, CA, USA
Kelly C Weldon Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA
Morgan Panitchpakdi Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Francesca Di Ottavio Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA
Christine M Aceves Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Elizabeth Brown Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Nicole C Sikora Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Alan K Jarmusch Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Cameron Martino Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Bioinformatics and Systems Biology Program, University of California San Diego, La Jolla, CA, USA
Anupriya Tripathi Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Michael J Meehan Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Kathleen Dorrestein Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Justin P Shaffer Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Roxana Coras Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Fernando Vargas Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Lindsay DeRight Goldasich Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Tara Schwartz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
MacKenzie Bryant Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Gregory Humphrey Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Abigail J Johnson Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
Katharina Spengler Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA
Pedro Belda-Ferre Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Edgar Diaz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Daniel McDonald Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Qiyun Zhu Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Emmanuel O Elijah Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Mingxun Wang Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Clarisse Marotz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Kate E Sprecher Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA Department of Population Health Sciences, University of Wisconsin-Madison, Madison, WI, USA
Daniela Vargas-Robles Servicio Autónomo Centro Amazónico de Investigación y Control de Enfermedades Tropicales Simón Bolívar, Puerto Ayacucho, Amazonas, Venezuela
Dana Withrow Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
Gail Ackermann Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Lourdes Herrera Department of Pediatrics, Billings Clinic, Billings, MT, USA
Barry J Bradford Department of Animal Science, Michigan State University, East Lansing, MI, USA
Lucas Maciel Mauriz Marques Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Juliano Geraldo Amaral Multidisciplinary Health Institute, Federal University of Bahia, Vitória da Conquista, Bahia, Brazil
Rodrigo Moreira Silva NPPNS, Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Flavio Protasio Veras Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Thiago Mattar Cunha Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Rene Donizeti Ribeiro Oliveira Department of Internal Medicine, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Paulo Louzada-Junior Department of Internal Medicine, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Robert H Mills Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Department of Pharmacology, University of California San Diego, La Jolla, CA, USA
Paulina K Piotrowski Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Stephanie L Servetas Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Sandra M Da Silva Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Christina M Jones Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Nancy J Lin Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Katrice A Lippa Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Scott A Jackson Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Rima Kaddurah Daouk Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, Durham, NC, USA Department of Medicine, Duke University, Durham, NC, USA Duke Institute of Brain Sciences, Duke University, Durham, NC, USA
Douglas Galasko Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
Parambir S Dulai Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Tatyana I Kalashnikova Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
Curt Wittenberg Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
Robert Terkeltaub Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA San Diego VA Healthcare System, San Diego, CA, USA
Megan M Doty Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Division of Neonatology, Department of Pediatrics, Kapi'olani Medical Center for Women and Children, John A. Burns School of Medicine, Honolulu, Hawaii, USA
Jae H Kim Division of Neonatology, Perinatal Institute, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
Kyung E Rhee Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Julia Beauchamp-Walters Division of Pediatric Hospital Medicine, Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
Kenneth P Wright Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
Maria Gloria Dominguez-Bello Department of Biochemistry and Microbiology, School of Environmental and Biological Sciences; Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
Mark Manary Department of Pediatrics, Washington University, St. Louis, MO, USA
Michelli F Oliveira Department of Medicine, University of California San Diego, La Jolla, CA, USA
Brigid S Boland Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Norberto Peporine Lopes NPPNS, Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Monica Guma Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Austin D Swafford Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA
Rachel J Dutton Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Rob Knight Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA. Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA. Department of Bioengineering, University of California San Diego, La Jolla, CA, USA.
Pieter C Dorrestein Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA. Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA. Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Pharmacology, University of California San Diego, La Jolla, CA, USA.

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Gauglitz JM, West KA, Bittremieux W, Williams CL, Weldon KC, Panitchpakdi M, Di Ottavio F, Aceves CM, Brown E, Sikora NC, Jarmusch AK, Martino C, Tripathi A, Meehan MJ, Dorrestein K, Shaffer JP, Coras R, Vargas F, Goldasich LD, Schwartz T, Bryant M, Humphrey G, Johnson AJ, Spengler K, Belda-Ferre P, Diaz E, McDonald D, Zhu Q, Elijah EO, Wang M, Marotz C, Sprecher KE, Vargas-Robles D, Withrow D, Ackermann G, Herrera L, Bradford BJ, Marques LMM, Amaral JG, Silva RM, Veras FP, Cunha TM, Oliveira RDR, Louzada-Junior P, Mills RH, Piotrowski PK, Servetas SL, Da Silva SM, Jones CM, Lin NJ, Lippa KA, Jackson SA, Daouk RK, Galasko D, Dulai PS, Kalashnikova TI, Wittenberg C, Terkeltaub R, Doty MM, Kim JH, Rhee KE, Beauchamp-Walters J, Wright KP, Dominguez-Bello MG, Manary M, Oliveira MF, Boland BS, Lopes NP, Guma M, Swafford AD, Dutton RJ, Knight R, Dorrestein PC. Enhancing untargeted metabolomics using metadata-based source annotation. Nat Biotechnol 2022;40:1774-1779. [PMID: 35798960 PMCID: PMC10277029 DOI: 10.1038/s41587-022-01368-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 05/20/2022] [Indexed: 01/30/2023]

Affiliation(s)

Julia M Gauglitz Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Kiana A West Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Wout Bittremieux Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Candace L Williams Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, Escondido, CA, USA
Kelly C Weldon Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA
Morgan Panitchpakdi Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Francesca Di Ottavio Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA
Christine M Aceves Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Elizabeth Brown Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Nicole C Sikora Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Alan K Jarmusch Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Cameron Martino Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Bioinformatics and Systems Biology Program, University of California San Diego, La Jolla, CA, USA
Anupriya Tripathi Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Michael J Meehan Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Kathleen Dorrestein Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Justin P Shaffer Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Roxana Coras Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Fernando Vargas Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Lindsay DeRight Goldasich Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Tara Schwartz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
MacKenzie Bryant Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Gregory Humphrey Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Abigail J Johnson Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
Katharina Spengler Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA
Pedro Belda-Ferre Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Edgar Diaz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Daniel McDonald Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Qiyun Zhu Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Emmanuel O Elijah Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Mingxun Wang Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
Clarisse Marotz Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Kate E Sprecher Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA Department of Population Health Sciences, University of Wisconsin-Madison, Madison, WI, USA
Daniela Vargas-Robles Servicio Autónomo Centro Amazónico de Investigación y Control de Enfermedades Tropicales Simón Bolívar, Puerto Ayacucho, Amazonas, Venezuela
Dana Withrow Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
Gail Ackermann Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Lourdes Herrera Department of Pediatrics, Billings Clinic, Billings, MT, USA
Barry J Bradford Department of Animal Science, Michigan State University, East Lansing, MI, USA
Lucas Maciel Mauriz Marques Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Juliano Geraldo Amaral Multidisciplinary Health Institute, Federal University of Bahia, Vitória da Conquista, Bahia, Brazil
Rodrigo Moreira Silva NPPNS, Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Flavio Protasio Veras Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Thiago Mattar Cunha Department of Pharmacology, Ribeirão Preto Medicinal School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Rene Donizeti Ribeiro Oliveira Department of Internal Medicine, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Paulo Louzada-Junior Department of Internal Medicine, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Robert H Mills Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Department of Pharmacology, University of California San Diego, La Jolla, CA, USA
Paulina K Piotrowski Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Stephanie L Servetas Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Sandra M Da Silva Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Christina M Jones Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Nancy J Lin Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Katrice A Lippa Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Scott A Jackson Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA
Rima Kaddurah Daouk Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, Durham, NC, USA Department of Medicine, Duke University, Durham, NC, USA Duke Institute of Brain Sciences, Duke University, Durham, NC, USA
Douglas Galasko Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
Parambir S Dulai Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Tatyana I Kalashnikova Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
Curt Wittenberg Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
Robert Terkeltaub Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA San Diego VA Healthcare System, San Diego, CA, USA
Megan M Doty Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA Division of Neonatology, Department of Pediatrics, Kapi'olani Medical Center for Women and Children, John A. Burns School of Medicine, Honolulu, Hawaii, USA
Jae H Kim Division of Neonatology, Perinatal Institute, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
Kyung E Rhee Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA
Julia Beauchamp-Walters Division of Pediatric Hospital Medicine, Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
Kenneth P Wright Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
Maria Gloria Dominguez-Bello Department of Biochemistry and Microbiology, School of Environmental and Biological Sciences; Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
Mark Manary Department of Pediatrics, Washington University, St. Louis, MO, USA
Michelli F Oliveira Department of Medicine, University of California San Diego, La Jolla, CA, USA
Brigid S Boland Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Norberto Peporine Lopes NPPNS, Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Sao Paolo, Brazil
Monica Guma Division of Rheumatology, Allergy & Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
Austin D Swafford Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA
Rachel J Dutton Division of Biological Sciences, University of California San Diego, La Jolla, CA, USA
Rob Knight Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA. Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA. Department of Bioengineering, University of California San Diego, La Jolla, CA, USA.
Pieter C Dorrestein Collaborative Mass Spectrometry Innovation Center, University of California San Diego, La Jolla, CA, USA. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA. Center for Microbiome Innovation, Joan and Irwin Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA. Department of Pediatrics, School of Medicine, University of California San Diego, La Jolla, CA, USA. Department of Pharmacology, University of California San Diego, La Jolla, CA, USA.

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Sprecher KE, Hagen EW, Ravelo LA, Barnet JH, Peppard PE. Caregiving is associated with worse sleep, and worse sleep‐related health and function. Alzheimers Dement 2020. [DOI: 10.1002/alz.043230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Hagen EW, Barnet JH, Sprecher KE, Peppard PE. 0833 Midlife Sleep Health is Associated With Later-Life Depression and Anxiety. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open

Abstract Abstract Introduction Several aspects of sleep - collectively conceptualized as ‘sleep health’ - are associated with anxiety and depression. This study investigated whether specific components of sleep health experienced during midlife are associated with depression and anxiety symptoms in later life. Methods A subset of Wisconsin Sleep Cohort participants (n=616; 45% female; mean [SD] baseline age=55 [8] years) completed 4 study visits at 4-year intervals. Visits included polysomnography and questionnaires about sleep, mood, and health. Outcomes (Zung depression score, State and Trait Anxiety) were regressed on sleep health characteristics (AHI, %N3 sleep, %REM sleep, sleep efficiency, sleep latency, sleep duration, sleep debt, nap duration, insomnia symptoms, circadian preference, excessive daytime sleepiness [EDS], Epworth Sleepiness Scale [ESS]) using 2 types of linear models adjusting for age, sex, BMI, education, exercise, smoking, and caffeine consumption: 1) longitudinal models in which baseline sleep health predicted mood outcomes 12 years later (adjusting for baseline levels of the outcome variable), and 2) models in which 12-year change in sleep health predicted 12-year change in outcomes. Results Longer nap duration, evening circadian preference, and EDS during midlife were associated with worse depression scores in later life. 12-year increases in nap duration, EDS, and ESS were associated with 12-year worsening of depression. Longer sleep duration and greater EDS during midlife were associated with worse trait anxiety in later life. 12-year increases in sleep duration, nap duration, insomnia symptoms, EDS and ESS were associated with 12-year worsening of trait anxiety. Greater AHI and EDS during midlife were associated with worse state anxiety in later life. 12-year increases in ESS were associated with worsening state anxiety. (P<0.05 for all reported results.) Conclusion Multiple aspects of sleep health experienced during midlife are associated with greater depression and anxiety in later life. Support NIH grants: National Institutes of Aging (R01AG058680; R01AG036838); National Heart, Lung, and Blood Institute (R01HL62252); National Center for Research Resources (1UL1RR025011) Collapse

Sprecher KE, Hagen EW, Ravelo LA, Barnet JH, Peppard PE. 0347 Aging and Retirement are Independently Associated with Reduced Social Jetlag. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open

Abstract Abstract Introduction Social jetlag (SJL; difference in sleep timing on freedays versus workdays) is a measure of chronic circadian misalignment due to a mismatch between preferred biological sleep timing and societal scheduling demands. Cross-sectionally, greater SJL is associated with poorer health and younger age. We assessed longitudinal changes in SJL across aging and retirement. Methods In 1137 participants of the Wisconsin Sleep Cohort (WSC), sleep timing was collected via sleep diaries every 4 years (2802 data points, 47% female, mean age 51 years at baseline (+/-8 SD, range 31 - 74)). In 829 participants of the Retirement and Sleep Trajectories study (REST, an ancillary study of the WSC), sleep timing and retirement status were collected in 4 annual mailed surveys (1700 data points, 55% female, mean age 59 years at baseline (range 46-81)). Midsleep was defined as the time midway between bedtime and waketime. SJL was defined as the absolute difference between midsleep on workdays/weekdays and freedays/weekends. Mixed models were used to test associations of change in sleep timing with change in age, retirement status and self-reported health. Results In the WSC, aging 10 years was associated with 16 minutes reduction in SJL (p<.001), driven by a shift of midsleep to 7 minutes later on weekdays and 10 minutes earlier on weekends. The effect of age on SJL remained significant when tested only in employed people. In the REST study, the transition from full time employment to full time retirement was associated with ~ 1 hour shorter SJL, maintained 1, 2 and 3 years post-transition (p<.001, controlling for age). Greater SJL was associated with worse self-rated health (p=.02). Conclusion Aging and the transition from employment to retirement are independently associated with reduced social jetlag. Greater social jetlag is associated with poorer self-reported health. Support This study was supported by grants from the National Institutes of Health (NIH): R01HL62252, R01AG036838, R01AG058680, and 1UL1RR02501. Collapse

Lanza SM, Kindel BC, Sprecher KE, Trainer MM, Wright KP. 0030 Effect of a Simulated Sunset versus Typical Indoor Lighting on Evening Melatonin Levels. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open

Abstract Abstract Introduction The human circadian clock evolved in the presence of the natural light-dark solar cycle. Exposure to artificial light at night suppresses endogenous melatonin levels and delays the timing of the circadian clock. The advent of tunable LED (light emitting diode) technology presents an opportunity to develop and implement circadian based practices for healthy lighting. Here we determined the influence of a simulated sunset with tunable LED technology on evening melatonin levels. Methods Nine healthy adults (3 females, 24.0 ± 5.3 years) completed a 15-day crossover study comparing typical artificial indoor lighting versus a simulated sunset using tunable LEDs (Acuity Brands-Rubik). After 1 week maintaining an ~8h sleep schedule, participants arrived at the laboratory 6h prior to habitual bedtime. Typical electrical indoor home lighting was <90 lux in angle of gaze until scheduled bedtime (<467 lux maximum at 183 cm in the direction of the ceiling mounted light fixtures; 3,500K). To simulate sunset, a simple least square fit was used to match relative spectral irradiance of the laboratory LED lighting to solar spectral irradiance of a standard mid-latitude summer atmosphere in Boulder, Colorado with solar elevation angles ranging from 3.9 degrees to 0 degrees (sunset). The first 3h30min of the simulation was typical indoor lighting of <90 lux (angle of gaze; 3,500K) followed by a 25 min transition in spectral irradiance and then 2h5min at ~7 lux in the angle of gaze (<38 lux maximum at 183 cm; 2,700K). Results Melatonin levels were initially similar between conditions but were significantly higher (p<0.05) after the sunset transition in the simulated sunset condition compared to the typical electrical indoor home lighting condition. Conclusion These preliminary findings suggest that simulating a sunset transition with tunable LED technology prior to habitual bedtime in the evening has potential to benefit circadian health. Support This work was supported in part by NIH R01 HL135598 and NASA Award 80NSSC17K0569. Collapse

Dave A, Sprecher KE, Lui KK, Chappel-Farley MG, Chen IY, Blennow K, Zetterberg H, Riedner BA, Bendlin BB, Mander BA, Benca RM. 0422 Apocalypse Tau: The Relationship Between Inflammaging and Local Sleep Disruption in Older Adults is Mediated by Tau Burden. Sleep 2020. [DOI: 10.1093/sleep/zsaa056.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open

Abstract Abstract Introduction Chronic inflammation in aging is independently associated with tau burden and sleep disruption, though the mechanism linking inflammation with sleep disruption remains unknown. Recent evidence associates tau burden with deficits in local expression of sleep spindles and slow wave activity (SWA). Here we test the hypothesis that age-related central inflammation disrupts local sleep by influencing tau pathology. Methods Cognitively asymptomatic older adults from the Wisconsin Alzheimer’s Disease Research Center underwent overnight polysomnography with high-density electroencephalography (hdEEG; 256 channels) at the University of Wisconsin-Madison (n=33, 61.9±6.7 years, 23 female). EEG data were subjected to multitaper spectral analysis (0.5-40Hz) to yield topographic maps of SWA (SWA1:0.5-1Hz, SWA2:1-4.5Hz) and spindle (sigma1:11-13Hz; sigma2:13-16Hz) power during NREM sleep. Cerebrospinal fluid assay-based measurements of YKL-40 (indicating glial activation), phosphorylated tau (Ptau), and total tau (Ttau), were correlated with SWA and sigma topographical power employing Holm-Bonferroni correction. Multiple linear regression models were implemented controlling for age, apnea-hypopnea index (AHI), and sex at significant derivations. Finally, Sobel testing was employed to assess whether tau burden mediated YKL-40-sleep associations. Results Age was associated with YKL-40 (r=0.53, p=0.002), and YKL-40 was associated with both Ptau (r=0.66, p<0.001) and Ttau (r=0.68, p<0.001). Correlations between sigma2 activity and both Ptau and Ttau were detected at 14 derivations, 12 of which remained significant after controlling for age, sex, and AHI. YKL-40 was associated with sigma2 power (r=-0.39, p=0.025) across derivations expressing peak significance with tau. Sobel mediation analyses indicated that both Ptau (t=-2.15, p=0.031) and Ttau (t=-2.36, p=0.018) mediated the relationship between YKL-40 and sigma2 activity at these derivations. SWA was not associated with Ttau, Ptau, or YKL-40. Conclusion These results suggest that age-related increases in central glial activation may disrupt local expression of fast spindles by increasing tau burden, highlighting a potential role for chronic inflammation in sleep deficits observed in aging and Alzheimer’s disease. Support Supported by R56 AG052698, P50AG033514 Collapse

Sprecher KE, Ritchie HK, Burke TM, Depner CM, Smits AN, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. Trait-like vulnerability of higher-order cognition and ability to maintain wakefulness during combined sleep restriction and circadian misalignment. Sleep 2020;42:5487466. [PMID: 31070769 DOI: 10.1093/sleep/zsz113] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 03/01/2019] [Indexed: 12/12/2022] Open

Abstract

STUDY OBJECTIVES

Determine stability of individual differences in executive function, cognitive processing speed, selective visual attention, and maintenance of wakefulness during simulated sustained operations with combined sleep restriction and circadian misalignment.

METHODS

Twenty healthy adults (eight female), aged 25.7 (±4.2 SD), body mass index (BMI) 22.3 (±2.1) kg/m2 completed an 18-day protocol twice. Participants maintained habitual self-selected 8-hour sleep schedules for 2 weeks at home prior to a 4-day laboratory visit that included one sleep opportunity per day: 8 hours on night 1, 3 hours on night 2, and 3 hours on mornings 3 and 4. After 3 days of unscheduled sleep at home, participants repeated the entire protocol. Stability and task dependency of individual differences in performance were quantified by intra-class correlation coefficients (ICC) and Kendall's Tau, respectively.

RESULTS

Performance on Stroop, Visual Search, and the Maintenance of Wakefulness Test were highly consistent within individuals during combined sleep restriction and circadian misalignment. Individual differences were trait-like as indicated by ICCs (0.54-0.96) classified according to standard criteria as moderate to almost perfect. Individual differences on other performance tasks commonly reported in sleep studies showed fair to almost perfect ICCs (0.22-0.94). Kendall's rank correlations showed that individual vulnerability to sleep restriction and circadian misalignment varied by task and by metric within a task.

CONCLUSIONS

Consistent vulnerability of higher-order cognition and maintenance of wakefulness to combined sleep restriction and circadian misalignment has implications for the development of precision countermeasure strategies for workers performing safety-critical tasks, e.g. military, police, health care workers and emergency responders.

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Affiliation(s)

Kate E Sprecher Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
Hannah K Ritchie Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
Tina M Burke Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Biology Branch, Walter Reed Army Institute of Research, Silver Spring, MD
Christopher M Depner Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
Alexandra N Smits Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
Pieter C Dorrestein Skaggs School of Pharmacy and Pharmaceutical Sciences, Center for Microbiome Innovation and Collaborative Mass Spectrometry Innovation Center, University of California, San Diego, CA
Monika Fleshner Stress Physiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado-Boulder, Boulder, CO
Rob Knight Departments of Pediatrics, Bioengineering and Computer Science and Engineering and Center for Microbiome Innovation, University of California, San Diego, CA
Christopher A Lowry Center for Neuroscience, University of Colorado-Boulder, Boulder, CO.,Behavioral Neuroendocrinology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO
Fred W Turek Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
Martha H Vitaterna Center for Sleep and Circadian Biology, Northwestern University, Evanston, IL
Kenneth P Wright Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado-Boulder, Boulder, CO.,Center for Neuroscience, University of Colorado-Boulder, Boulder, CO

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Zuelsdorff M, Bendlin BB, Okonkwo OC, Sprecher KE, Clark LR, Plante DT, Wyman MF, Chin NA, Benton SF, Lambrou NH, Asthana S, Johnson SC, Gleason CE. P3-540: IMPLICATIONS OF SLEEP DISPARITIES FOR COGNITIVE TEST PERFORMANCE AMONG AFRICAN AMERICAN AND WHITE OLDER ADULTS: PRELIMINARY EVIDENCE FROM TWO WISCONSIN COHORTS. Alzheimers Dement 2019. [DOI: 10.1016/j.jalz.2019.06.3576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]

Affiliation(s)

Megan Zuelsdorff Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA
Barbara B. Bendlin Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA Wisconsin Alzheimer's Institute; University of Wisconsin School of Medicine and Public Health; Madison WI USA
Ozioma C. Okonkwo Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA Wisconsin Alzheimer's Institute; University of Wisconsin School of Medicine and Public Health; Madison WI USA
Kate E. Sprecher University of Colorado Boulder; Boulder CO USA
Lindsay R. Clark Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA Wisconsin Alzheimer's Institute; University of Wisconsin School of Medicine and Public Health; Madison WI USA
David T. Plante University of Wisconsin-Madison; Madison WI USA University of Wisconsin School of Medicine and Public Health; Department of Psychiatry; Madison WI USA
Mary F. Wyman University of Wisconsin-Madison; Madison WI USA VA Geriatric Research, Education and Clinical Center (GRECC); William S. Middleton Memorial Veterans Hospital; Madison WI USA
Nathaniel A. Chin Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA
Susan Flowers Benton University of Wisconsin-Madison; Madison WI USA
Nickolas H. Lambrou VA Geriatric Research, Education and Clinical Center (GRECC); William S. Middleton Memorial Veterans Hospital; Madison WI USA
Sanjay Asthana Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA Wisconsin Alzheimer's Institute; University of Wisconsin School of Medicine and Public Health; Madison WI USA Geriatric Research Education and Clinical Center; William S. Middleton Memorial Veterans Hospital; Madison WI USA
Sterling C. Johnson Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA Wisconsin Alzheimer's Institute; University of Wisconsin School of Medicine and Public Health; Madison WI USA Geriatric Research Education and Clinical Center; William S. Middleton Memorial Veterans Hospital; Madison WI USA
Carey E. Gleason Wisconsin Alzheimer's Disease Research Center; University of Wisconsin School of Medicine and Public Health; Madison WI USA University of Wisconsin-Madison; Madison WI USA VA Geriatric Research, Education and Clinical Center (GRECC); William S. Middleton Memorial Veterans Hospital; Madison WI USA

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Schreiber AJ, Sprecher KE, Burke TM, Ritchie HK, Wright KP. 0154 Sleep Inertia Negatively and Consistently Affects Cognitive Speed and Working Memory during Sleep Restriction and Circadian Misalignment. Sleep 2019. [DOI: 10.1093/sleep/zsz067.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open

Sprecher KE, Vargas F, Peña-Gonzaez A, Burke TM, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0203 Greater Change in Fecal Metabolome Associated with Lower Ability to Maintain Wakefulness During Sleep Restriction and Circadian Misalignment. Sleep 2019. [DOI: 10.1093/sleep/zsz067.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open

Law LL, Sprecher KE, Dougherty RJ, Edwards DF, Koscik RL, Gallagher CL, Carlsson CM, Zetterberg H, Blennow K, Asthana S, Sager MA, Hermann BP, Johnson SC, Cook DB, Bendlin BB, Okonkwo OC. Cardiorespiratory Fitness Modifies Influence of Sleep Problems on Cerebrospinal Fluid Biomarkers in an At-Risk Cohort. J Alzheimers Dis 2019;69:111-121. [PMID: 30958346 PMCID: PMC6675618 DOI: 10.3233/jad-180291] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]

Abstract

BACKGROUND

Previous studies indicate that cardiorespiratory fitness (CRF) and sleep are each favorably associated with Alzheimer's disease (AD) pathophysiology, including reduced amyloid-β (Aβ) and tau pathology. However, few studies have examined CRF and sleep in the same analysis.

OBJECTIVE

To examine the relationship between sleep and core AD cerebrospinal fluid (CSF) biomarkers among at-risk healthy late-middle-aged adults and determine whether CRF modifies this association.

METHODS

Seventy-four adults (age = 64.38±5.48, 68.9% female) from the Wisconsin Registry for Alzheimer's Prevention participated. Sleep was evaluated using the Medical Outcomes Study Sleep Scale, specifically the Sleep Problems Index I (SPI), which incorporates domains of sleep disturbance, somnolence, sleep adequacy, and shortness of breath. Higher scores indicate greater sleep problems. To assess CRF, participants underwent a graded exercise test. CSF was collected via lumbar puncture, from which Aβ42, total-tau (t-tau), and phosphorylated-tau (p-tau) were immunoassayed. Regression analyses examined the association between SPI and CSF biomarkers, and the interaction between SPI and CRF on these same biomarkers, adjusting for relevant covariates.

RESULTS

Higher SPI scores were associated with greater p-tau (p = 0.027) and higher t-tau/Aβ42 (p = 0.021) and p-tau/Aβ42 (p = 0.009) ratios. Analyses revealed significant SPI*CRF interactions for t-tau (p = 0.016), p-tau (p = 0.008), and p-tau/Aβ42 (p = 0.041); with a trend for t-tau/Aβ42 (p = 0.061). Specifically, the relationship between poorer sleep and these biomarkers was significant among less fit individuals, but not among those who were more fit.

CONCLUSION

In a late-middle-aged at-risk cohort, CRF attenuated the association between poor sleep and levels of select CSF biomarkers. This suggests fitness may play an important role in preventing AD by protecting against pathology, even in impaired sleep.

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Affiliation(s)

Lena L. Law Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA
Kate E. Sprecher Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI 53705 USA Wisconsin Center for Sleep Medicine and Research, University of Wisconsin School of Medicine and Public Health, Madison, WI 53719 USA Department of Psychiatry, University of Wisconsin-Madison, Madison, WI 53705 USA
Ryan J. Dougherty Department of Kinesiology, University of Wisconsin School of Education, Madison, WI 53792 USA
Dorothy F. Edwards Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA Department of Kinesiology, University of Wisconsin School of Education, Madison, WI 53792 USA
Rebecca L. Koscik Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA
Catherine L. Gallagher Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, WI, WI 53705 USA
Cynthia M. Carlsson Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA
Henrik Zetterberg Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Sweden Department of Molecular Neuroscience, UCL Institute of Neurology, Queen Square, London, UK UK Dementia Research Institute, London, UK
Kaj Blennow Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Sweden
Sanjay Asthana Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA
Mark A. Sager Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA
Bruce P. Hermann Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, WI, WI 53705 USA
Sterling C. Johnson Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA
Dane B. Cook Department of Kinesiology, University of Wisconsin School of Education, Madison, WI 53792 USA Research Service, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA
Barbara B. Bendlin Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA
Ozioma C. Okonkwo Geriatric Research Education and Clinical Center, William S. Middleton Memorial Veterans Hospital, Madison, WI 53705 USA Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792 USA Wisconsin Alzheimer’s Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705 USA

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Derynda BR, Shouel HL, Sprecher KE, Taylor CE, Davenport NJ, Carlsson CM, Bazalakova MH, Asthana S, Johnson SC, Zetterberg H, Blennow K, Riedner BA, Benca RM, Bendlin BB. IC‐P‐089: OBSTRUCTIVE SLEEP APNEA IS ASSOCIATED WITH LOWER MEMORY FUNCTION IN MIDDLE‐AGED ADULTS. Alzheimers Dement 2018. [DOI: 10.1016/j.jalz.2018.06.2153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]

Taylor CE, Sprecher KE, Vogt NM, Derynda BR, Shouel HL, Oh JM, Jones SG, Riedner BA, Bazalakova MH, Plante DT, Johnson SC, Asthana S, Benca RM, Bendlin BB. IC‐P‐150: HYPOXIA DURING SLEEP IS ASSOCIATED WITH HIPPOCAMPAL VOLUME IN COGNITIVELY UNIMPAIRED ADULTS. Alzheimers Dement 2018. [DOI: 10.1016/j.jalz.2018.06.2216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]

Taylor CE, Sprecher KE, Vogt NM, Derynda BR, Shouel HL, Oh JM, Jones SG, Riedner BA, Bazalakova MH, Plante DT, Johnson SC, Asthana S, Benca RM, Bendlin BB. O1‐03‐04: HYPOXIA DURING SLEEP IS ASSOCIATED WITH HIPPOCAMPAL VOLUME IN COGNITIVELY UNIMPAIRED ADULTS. Alzheimers Dement 2018. [DOI: 10.1016/j.jalz.2018.06.2345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]

Derynda BR, Shouel HL, Sprecher KE, Taylor CE, Davenport NJ, Carlsson CM, Bazalakova MH, Asthana S, Johnson SC, Zetterberg H, Blennow K, Riedner BA, Benca RM, Bendlin BB. P1‐318: OBSTRUCTIVE SLEEP APNEA IS ASSOCIATED WITH LOWER MEMORY FUNCTION IN MIDDLE‐AGED ADULTS. Alzheimers Dement 2018. [DOI: 10.1016/j.jalz.2018.06.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]

Sprecher KE, Ritchie HE, Burke TM, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0213 Trait-like Vulnerability Of Higher-order Cognition To Sleep Loss And Circadian Misalignment. Sleep 2018. [DOI: 10.1093/sleep/zsy061.212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open

Sprecher KE, Ritchie HK, Depner CM, Dorrestein PC, Fleshner M, Knight R, Lowry CA, Turek FW, Vitaterna MH, Wright KP. 0239 Sleep Architecture During Sleep Loss And Circadian Misalignment Is Trait-like. Sleep 2018. [DOI: 10.1093/sleep/zsy061.238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open

Burgess KR, Lucas SJE, Burgess KME, Sprecher KE, Donnelly J, Basnet AS, Tymko MM, Day T, Smith K, Lewis N, Ainslie PN. Increasing cerebral blood flow reduces the severity of central sleep apnea at high altitude. J Appl Physiol (1985) 2018;124:1341-1348. [PMID: 29389246 DOI: 10.1152/japplphysiol.00799.2017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open

Abstract

Earlier studies have indicated an important role for cerebral blood flow in the pathophysiology of central sleep apnea (CSA) at high altitude, but were not decisive. To test the hypothesis that pharmacologically altering cerebral blood flow (CBF) without altering arterial blood gas (ABGs) values would alter the severity of CSA at high altitude, we studied 11 healthy volunteers (8M, 3F; 31 ± 7 yr) in a randomized placebo-controlled single-blind study at 5,050 m in Nepal. CBF was increased by intravenous (iv) acetazolamide (Az; 10 mg/kg) plus intravenous dobutamine (Dob) infusion (2-5 μg·kg^-1·min^-1) and reduced by oral indomethacin (Indo; 100 mg). ABG samples were collected and ventilatory responses to hypercapnia (HCVR) and hypoxia (HVR) were measured by rebreathing and steady-state techniques before and after drug/placebo. Duplex ultrasound of blood flow in the internal carotid and vertebral arteries was used to measure global CBF. The initial 3-4 h of sleep were recorded by full polysomnography. Intravenous Az + Dob increased global CBF by 37 ± 15% compared with placebo ( P < 0.001), whereas it was reduced by 21 ± 8% by oral Indo ( P < 0.001). ABGs and HVR were unchanged in both interventions. HCVR was reduced by 28% ± 43% ( P = 0.1) during intravenous Az ± Dob administration and was elevated by 23% ± 30% ( P = 0.05) by Indo. During intravenous Az + Dob, the CSA index fell from 140 ± 45 (control night) to 48 ± 37 events/h of sleep ( P < 0.001). Oral Indo had no significant effect on CSA. We conclude that increasing cerebral blood flow reduced the severity of CSA at high altitude; the likely mechanism is via a reduction in the background stimulation of central chemoreceptors. NEW & NOTEWORTHY This work is significant because it shows convincingly for the first time in healthy volunteers that increasing cerebral blood flow will reduce the severity of central sleep apnea in a high-altitude model, without the potentially confounding effects of altering partial pressure of arterial carbon dioxide or the ventilatory response to hypoxia. The proposed mechanism of action is that of increasing the removal of locally produced CO₂ from the central chemoreceptors, causing the reduction in hypercapnic ventilatory response, hence reducing loop gain.

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Sprecher KE, Koscik RL, Carlsson CM, Zetterberg H, Blennow K, Okonkwo OC, Sager MA, Asthana S, Johnson SC, Benca RM, Bendlin BB. Poor sleep is associated with CSF biomarkers of amyloid pathology in cognitively normal adults. Neurology 2017;89:445-453. [PMID: 28679595 DOI: 10.1212/wnl.0000000000004171] [Citation(s) in RCA: 138] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 04/14/2017] [Indexed: 11/15/2022] Open

Abstract

OBJECTIVE

To determine the relationship between sleep quality and CSF markers of Alzheimer disease (AD) pathology in late midlife.

METHODS

We investigated the relationship between sleep quality and CSF AD biomarkers in a cohort enriched for parental history of sporadic AD, the Wisconsin Registry for Alzheimer's Prevention. A total of 101 participants (mean age 62.9 ± 6.2 years, 65.3% female) completed sleep assessments and CSF collection and were cognitively normal. Sleep quality was measured with the Medical Outcomes Study Sleep Scale. CSF was assayed for biomarkers of amyloid metabolism and plaques (β-amyloid 42 [Aβ42]), tau pathology (phosphorylated tau [p-tau] 181), neuronal/axonal degeneration (total tau [t-tau], neurofilament light [NFL]), neuroinflammation/astroglial activation (monocyte chemoattractant protein-1 [MCP-1], chitinase-3-like protein 1 [YKL-40]), and synaptic dysfunction/degeneration (neurogranin). To adjust for individual differences in total amyloid production, Aβ42 was expressed relative to Aβ40. To assess cumulative pathology, CSF biomarkers were expressed in ratio to Aβ42. Relationships among sleep scores and CSF biomarkers were assessed with multiple regression, controlling for age, sex, time between sleep and CSF measurements, and CSF assay batch.

RESULTS

Worse subjective sleep quality, more sleep problems, and daytime somnolence were associated with greater AD pathology, indicated by lower CSF Aβ42/Aβ40 and higher t-tau/Aβ42, p-tau/Aβ42, MCP-1/Aβ42, and YKL-40/Aβ42. There were no significant associations between sleep and NFL or neurogranin.

CONCLUSIONS

Self-report of poor sleep was associated with greater AD-related pathology in cognitively healthy adults at risk for AD. Effective strategies exist for improving sleep; therefore sleep health may be a tractable target for early intervention to attenuate AD pathogenesis.

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Affiliation(s)

Kate E Sprecher From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine.
Rebecca L Koscik From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Cynthia M Carlsson From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Henrik Zetterberg From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Kaj Blennow From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Ozioma C Okonkwo From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Mark A Sager From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Sanjay Asthana From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Sterling C Johnson From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Ruth M Benca From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine
Barbara B Bendlin From the Department of Medicine and Neuroscience Training Program (K.E.S.) and Wisconsin Alzheimer's Disease Research Center (C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.), University of Wisconsin-Madison; Wisconsin Alzheimer's Institute (R.L.K., C.M.C., O.C.O., M.A.S., S.A., S.C.J., B.B.B.); Geriatric Research Education and Clinical Center (C.M.C., O.C.O., S.A., S.C.J., B.B.B.), Wm. S. Middleton Veterans Hospital, Madison, WI; Institute of Neuroscience and Physiology (H.Z., K.B.), University of Gothenburg; Clinical Neurochemistry Laboratory (H.Z., K.B.), Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience (H.Z.), UCL Institute of Neurology, Queen Square, London, UK; and Department of Psychiatry and Human Behavior (R.M.B.), University of California, Irvine

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Sprecher KE, Riedner B, Zetterberg H, Blennow K, Carlsson CM, Okonkwo OC, Asthana S, Johnson SC, Benca RM, Bendlin BB. [IC‐P‐049]: REGIONAL DEFICIT IN SLEEPING BRAIN ACTIVITY ASSOCIATED WITH TAU AND AMYLOID PATHOLOGY IN COGNITIVELY HEALTHY MIDDLE‐AGED ADULTS. Alzheimers Dement 2017. [DOI: 10.1016/j.jalz.2017.06.2321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]

Affiliation(s)

Kate E. Sprecher Wisconsin Alzheimer's Disease Research CenterMadisonWIUSA University of Wisconsin ‐ MadisonMadisonWIUSA
Brady Riedner University of Wisconsin ‐ MadisonMadisonWIUSA Department of PsychiatryMadisonWIUSA
Henrik Zetterberg Institute of Neuroscience and PhysiologyThe Sahlgrenska Academy at University of GothenburgMölndalSweden Clinical Neurochemistry LaboratorySahlgrenska University Hospital, Mölndal, SwedenMölndalSweden University College London, Institute of NeurologyLondonUnited Kingdom
Kaj Blennow Institute of Neuroscience and PhysiologyThe Sahlgrenska Academy at University of GothenburgMölndalSweden Clinical Neurochemistry LaboratorySahlgrenska University Hospital, Mölndal, SwedenMölndalSweden
Cynthia M. Carlsson Geriatric Research Education and Clinical CenterW.S. Middleton Memorial Veterans HospitalMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Ozioma C. Okonkwo Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Geriatric Research Education and Clinical CenterWilliam S. Middleton Memorial Veterans HospitalMadisonWIUSA
Sanjay Asthana Geriatric Research Education and Clinical CenterW.S. Middleton Memorial Veterans HospitalMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Sterling C. Johnson Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Ruth M. Benca University of California ‐ IrvineIrvineCAUSA
Barbara B. Bendlin Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Geriatric Research Education and Clinical CenterWm. S. Middleton Veterans HospitalMadisonWIUSA

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Sprecher KE, Riedner B, Zetterberg H, Blennow K, Carlsson CM, Okonkwo OC, Asthana S, Johnson SC, Benca RM, Bendlin BB. [P3–423]: REGIONAL DEFICIT IN SLEEPING BRAIN ACTIVITY ASSOCIATED WITH TAU AND AMYLOID PATHOLOGY IN COGNITIVELY HEALTHY MIDDLE‐AGED ADULTS. Alzheimers Dement 2017. [DOI: 10.1016/j.jalz.2017.06.1640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]

Affiliation(s)

Kate E. Sprecher Wisconsin Alzheimer's Disease Research CenterMadisonWIUSA University of Wisconsin‐MadisonMadisonWIUSA
Brady Riedner University of Wisconsin‐MadisonMadisonWIUSA
Henrik Zetterberg Institute of Neuroscience and PhysiologyThe Sahlgrenska Academy at University of GothenburgMölndalSweden Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden University College London, Institute of NeurologyLondonUnited Kingdom
Kaj Blennow Institute of Neuroscience and PhysiologyThe Sahlgrenska Academy at University of GothenburgMölndalSweden Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden
Cynthia M. Carlsson Geriatric Research Education and Clinical CenterW.S. Middleton Memorial Veterans HospitalMadisonWIUSA Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Ozioma C. Okonkwo Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Geriatric Research Education and Clinical CenterWilliam S. Middleton Memorial Veterans HospitalMadisonWIUSA
Sanjay Asthana Geriatric Research Education and Clinical CenterW.S. Middleton Memorial Veterans HospitalMadisonWIUSA Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA William S. Middleton Memorial Veterans HospitalMadisonWIUSA University of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Sterling C. Johnson Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA University of Wisconsin, MadisonMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA
Ruth M. Benca University of California‐IrvineIrvineCAUSA
Barbara B. Bendlin Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthMadisonWIUSA Geriatric Research Education and Clinical CenterWm. S. Middleton Veterans HospitalMadisonWIUSA

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Sprecher KE, Zetterberg H, Blennow K, Carlsson CM, Okonkwo OC, Sager MA, Asthana S, Johnson SC, Bendlin BB, Benca RM. P1‐344: Poor Sleep Quality is Associated with CSF Markers of Amyloid Deposition in Cognitively Healthy Adults at Risk for Alzheimer's Disease. Alzheimers Dement 2016. [DOI: 10.1016/j.jalz.2016.06.1095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]

Affiliation(s)

Kate E. Sprecher Department of Psychiatry University of WisconsinMadisonWI USA Neuroscience Training Program, University of WisconsinMadisonWI USA
Henrik Zetterberg Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of GothenburgGothenburgSweden
Kaj Blennow Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of GothenburgGothenburgSweden
Cynthia M. Carlsson Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans HospitalMadisonWI USA
Ozioma C. Okonkwo Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans HospitalMadisonWI USA
Mark A. Sager Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA
Sanjay Asthana Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans HospitalMadisonWI USA
Sterling C. Johnson Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans HospitalMadisonWI USA
Barbara B. Bendlin Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public HealthMadisonWI USA Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans HospitalMadisonWI USA
Ruth M. Benca Department of Psychiatry University of WisconsinMadisonWI USA

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Sprecher KE, Riedner BA, Smith RF, Tononi G, Davidson RJ, Benca RM. High Resolution Topography of Age-Related Changes in Non-Rapid Eye Movement Sleep Electroencephalography. PLoS One 2016;11:e0149770. [PMID: 26901503 PMCID: PMC4764685 DOI: 10.1371/journal.pone.0149770] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 01/20/2016] [Indexed: 12/31/2022] Open

Sprecher KE, Bendlin BB, Racine AM, Okonkwo OC, Christian BT, Koscik RL, Sager MA, Asthana S, Johnson SC, Benca RM. Amyloid burden is associated with self-reported sleep in nondemented late middle-aged adults. Neurobiol Aging 2015;36:2568-76. [PMID: 26059712 DOI: 10.1016/j.neurobiolaging.2015.05.004] [Citation(s) in RCA: 161] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 05/03/2015] [Accepted: 05/10/2015] [Indexed: 10/23/2022]

Affiliation(s)

Kate E Sprecher Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Center for Sleep Medicine and Research, University of Wisconsin-Madison, Madison, WI, USA; Department of Psychiatry, University of Wisconsin-Madison, Madison, WI, USA.
Barbara B Bendlin Geriatric Research Education and Clinical Center, William S. Middleton Memorial VA Hospital, Madison, WI, USA; Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Annie M Racine Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI, USA; Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Ozioma C Okonkwo Geriatric Research Education and Clinical Center, William S. Middleton Memorial VA Hospital, Madison, WI, USA; Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Bradley T Christian Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Rebecca L Koscik Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Mark A Sager Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Sanjay Asthana Geriatric Research Education and Clinical Center, William S. Middleton Memorial VA Hospital, Madison, WI, USA; Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Sterling C Johnson Geriatric Research Education and Clinical Center, William S. Middleton Memorial VA Hospital, Madison, WI, USA; Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Wisconsin Alzheimer's Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
Ruth M Benca Wisconsin Center for Sleep Medicine and Research, University of Wisconsin-Madison, Madison, WI, USA; Department of Psychiatry, University of Wisconsin-Madison, Madison, WI, USA

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Sprecher KE, Ferrarelli F, Benca RM. Sleep and plasticity in schizophrenia. Curr Top Behav Neurosci 2015;25:433-58. [PMID: 25608723 DOI: 10.1007/7854_2014_366] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]

Stadler DL, McEvoy RD, Sprecher KE, Thomson KJ, Ryan MK, Thompson CC, Catcheside PG. Abdominal compression increases upper airway collapsibility during sleep in obese male obstructive sleep apnea patients. Sleep 2010;32:1579-87. [PMID: 20041593 DOI: 10.1093/sleep/32.12.1579] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open