1Department of Orthopaedic Surgery, Department of Family and Community Medicine, University of California, 1500 Owens Street, San Francisco, CA, 94158, USA. nicolas.hatamiya@ucsf.edu.
2Department of Performance Science, WHOOP, Inc., Boston, MA, USA.
3Division of Sports Medicine, Department of Family Medicine, University of California, Los Angeles, CA, USA.
4Department of Intercollegiate Athletics, University of California, Los Angeles, CA, USA.
5Faculty of Health Sciences, Ontario Tech University, Oshawa, Canada.
6Sleep and Circadian Rhythms Research Program, School of Psychological Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia.
7Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.
8Department of Research, Algorithms, and Data Science, WHOOP, Inc., Boston, MA, USA.