About the Authors

David A. Kalmbach

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Psychiatry, University of Michigan Medical School, Ann Arbor, Michigan, United States of America

Vivek Pillai

Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliation Sleep Disorders and Research Center, Henry Ford Hospital, Detroit, Michigan, United States of America

Christopher L. Drake

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Supervision, Writing – original draft, Writing – review & editing

cdrake1@hfhs.org

Affiliation Sleep Disorders and Research Center, Henry Ford Hospital, Detroit, Michigan, United States of America

Competing Interests

Dr. Drake has received research support from Merck & Co., Eisai Co., Aladdin Dreamer, Jazz, Actelion, and Teva; and has served on speakers bureau for Merck & Co. Dr. Pillai has received research support from Merck & Co. These funders did not have any role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials.