Published on in Vol 23, No 2 (2021): February

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/20546, first published .
Estimated Sleep Duration Before and During the COVID-19 Pandemic in Major Metropolitan Areas on Different Continents: Observational Study of Smartphone App Data

Estimated Sleep Duration Before and During the COVID-19 Pandemic in Major Metropolitan Areas on Different Continents: Observational Study of Smartphone App Data

Estimated Sleep Duration Before and During the COVID-19 Pandemic in Major Metropolitan Areas on Different Continents: Observational Study of Smartphone App Data

Rebecca Robbins 1, 2, PhD;  Mahmoud Affouf 3, PhD;  Matthew D Weaver 1, 2, PhD;  Mark É Czeisler 4, 5, AB;  Laura K Barger 1, 2, PhD;  Stuart F Quan 1, 2, MD;  Charles A Czeisler 1, 2, MD, PhD, FRCP

1 Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, MA, US

2 Division of Sleep Medicine, Harvard Medical School , Boston, MA, US

3 Department of Mathematics, Kean University , Union, NJ, US

4 School of Psychological Sciences, Turner Institute Brain and Mental Health, Monash University, Victoria , AU

5 Institute for Breathing and Sleep, Austin Health , Melbourne , AU

Corresponding Author:

  • Rebecca Robbins, PhD
  • Division of Sleep and Circadian Disorders
  • Departments of Medicine and Neurology
  • Brigham and Women's Hospital
  • 221 Longwood Avenue
  • Boston, MA
  • US
  • Phone: 1 2039792338
  • Email: rrobbins4@bwh.harvard.edu