About the Authors

Dennis A. Dean II

ddean@research.bwh.harvard.edu

Affiliations Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Boston, Massachusetts, United States of America, Neuroscience Statistical Research Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Biomedical Engineering and Biotechnology Program, University of Massachusetts, Lowell, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America

Gail K. Adler

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

David P. Nguyen

Affiliations Neuroscience Statistical Research Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America

Elizabeth B. Klerman

Affiliations Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Boston, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America, Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Competing Interests

EBK received investigator-initiated research support from Respironics and received an unrestricted gift to the BWH from Sony Corporation. GKA received investigator-initiated support from Novartis. These funding sources do not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials. The other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAD. Performed the experiments: DAD. Analyzed the data: DAD. Contributed reagents/materials/analysis tools: DAD EBK GKA DPN. Wrote the paper: DAD EBK GKA DPN.