title: Work hours and sleep in residency training.
authors.forename: Charles A
authors.initials: CA
authors.lastname: Czeisler
mesh_terms: D004503:Education, Medical, Graduate / Q000706:statistics & numerical data; D004651:Employment / Q000706:statistics & numerical data*; D006801:Humans; D007396:Internship and Residency / Q000706:statistics & numerical data*; D015995:Prevalence; D012449:Safety; D012892:Sleep Deprivation / Q000453:epidemiology*; D013997:Time Factors; D016526:Workload / Q000706:statistics & numerical data; D017132:Workplace