Resolving delayed sleep-wake phase disorder with a pandemic: two case reports

Lawrence J. Epstein, Alice Cai, Elizabeth B. Klerman, Charles A. Czeisler

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Two patients with delayed sleep-wake phase disorder (DSWPD) demonstrated improvement in sleep quality and duration, reduction in symptoms, and elimination of the need for hypnotic or stimulant medications after changing their sleep schedules in response to the coronavirus disease 2019 (COVID-19) pandemic lockdown work schedule changes. These cases highlight the impact of work schedules on patient health and raise questions about approaches to workplace schedule requirements postpandemic.

Original languageEnglish
Pages (from-to)315-318
Number of pages4
JournalJournal of Clinical Sleep Medicine
Issue number1
StatePublished - 1 Jan 2022
Externally publishedYes


  • COVID-19
  • circadian
  • delayed sleep-wake phase
  • pandemic
  • sleep diary


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