Associations between changes in daily behaviors and self-reported feelings of depression and anxiety about the COVID-19 pandemic among older adults.

"Competing Interests R. Robbins reports personal fees from Sleep Cycle AB, Rituals Cosmetics B.V., Denihan Hospitality, With Deep Inc., Wave Sleep, and Bynacht. M. D. Weaver reports personal fees from the University of Pittsburgh and the National Sleep Foundation. S. F. Quan has served as a consultant for Best Doctors, Jazz Pharmaceuticals, and WhisperSom. M. É. Czeisler reports a grant from the Australian–American Fulbright Commission funded by The Kinghorn Foundation, along with personal fees from Vanda Pharmaceuticals. L. K. Barger reports personal fees from the University of Pittsburgh, CurAegis, Casis, Puget Sound Pilots, and Boston Children’s Hospital. C. A. Czeisler reports grants/contracts to BWH from Dayzz Live Well Ltd., Delta Airlines, FAA, Jazz Pharmaceuticals, NHLBI, NIA, NIOSH, NASA, Puget Sound Pilots, Regeneron Pharmaceuticals/Sanofi, and DOD; is/was a paid consultant or received lecture fees from Emory University, Inselspital Bern, UCLA, Institute of Digital Media and Child Development, Klarman Family Foundation, National Council for Mental Wellbeing, National Sleep Foundation, Physician’s Seal, Sleep Research Society Foundation, Tencent Holdings Ltd., Teva Pharma Australia, With Deep Inc., and Vanda Pharmaceuticals Inc., in which C. A. Czeisler also holds an equity interest; received travel support from Aspen Brian Institute, Bloomage International Investment Group, Inc., UK Biotechnology and Biological Sciences Research Council, Bouley Botanical, Dr. Stanley Ho Medical Development Foundation, European Biological Rhythms Society, German National Academy of Sciences (Leopoldina), National Safety Council, National Sleep Foundation, Stanford Medical School Alumni Association, Tencent Holdings Ltd., and Vanda Pharmaceuticals Inc.; receives research/education support through BWH from Arbor Pharmaceuticals, Avadel Pharmaceuticals, Bryte Foundation, Cephalon, Alexandra Drane, DR Capital Ltd, Eisai, Mary Ann & Stanley Snider via Combined Jewish Philanthropies, Harmony Biosciences LLC, Jazz Pharmaceuticals PLC Inc., Johnson & Johnson, NeuroCare, Inc., Optim, Philips Respironics Inc./Philips Homecare Solutions, Regeneron Pharmaceuticals, Regional Home Care, ResMed, San Francisco Bar Pilots, Teva Pharmaceuticals Industries Ltd., Sanofi SA, Optum, ResMed, San Francisco Bar Pilots, Sanofi, Sleep Cycle AB, Schneider, Simmons, Sleep Number, Sysco, Vanda Pharmaceuticals; is/was an expert witness in legal cases, including those involving Advanced Power Technologies, Aegis Chemical Solutions LLC, Amtrak; Casper Sleep Inc., C&J Energy Services, Catapult Energy Services Group, LLC, Covenant Testing Technologies, LLC, Dallas Police Association, Enterprise Rent-A-Car, Espinal Trucking/Eagle Transport Group LLC/Steel Warehouse Inc., FedEx, Greyhound Lines Inc./Motor Coach Industries/FirstGroup America, PAR Electrical Contractors Inc., Product & Logistics Services LLC/Schlumberger Technology Corp/Gelco Fleet Trust, Puckett Emergency Medical Services LLC, Puget Sound Pilots, Union Pacific Railroad, UPS, and Vanda Pharmaceuticals; serves as the incumbent of an endowed professorship provided to Harvard University by Cephalon, Inc.; and receives royalties from McGraw Hill, and Philips Respironics for the Actiwatch-2 and Actiwatch Spectrum devices. C. A. Czeisler’s interests were reviewed and are managed by the Brigham and Women’s Hospital and Mass General Brigham in accordance with their conflict of interest policies."

"Funding This study was supported by grants from the National Institutes of Health and the National Institute for Occupational Health and Safety, Centers for Disease Control and Prevention (grant numbers: K01HL150339 [to R. Robbins], R01OH011773 [to M. D. Weaver, L. K. Barger, R. Robbins, and C. A. Czeisler], and R56HL151637 [to M. D. Weaver, L. K. Barger, R. Robbins, S. F. Quan, and C. A. Czeisler]). M. É. Czeisler reports funding from the CDC Foundation funded by BNY Mellon, WHOOP Inc., and Hopelab Inc., outside of the submitted work."