title: To nap or not to nap? Residents' work hours revisited.
authors.forename: Melvin S
authors.initials: MS
authors.lastname: Blanchard
authors.forename: David
authors.initials: D
authors.lastname: Meltzer
authors.forename: Kenneth S
authors.initials: KS
authors.lastname: Polonsky
mesh_terms: D003365:Costs and Cost Analysis; D033161:Government Regulation; D017048:Health Care Costs; D006784:Hospitals, Teaching / Q000191:economics; D006801:Humans; D007396:Internship and Residency / Q000191:economics* / Q000592:standards; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D010561:Personnel Staffing and Scheduling / Q000191:economics* / Q000592:standards; D010564:Personnel, Hospital / Q000191:economics; D014481:United States; D000078329:Workforce; D016526:Workload / Q000592:standards