title: Objective measures of sleep quality have not declined over the last 50 years.
authors.affiliation: College of Nursing and Health Innovation, Arizona State University, USA; Phoenix VA Health Care System, USA. Electronic address: shawn.youngstedt@asu.edu.
authors.forename: Shawn D
authors.initials: SD
authors.lastname: Youngstedt
authors.affiliation: Department of Biological Sciences, University of South Carolina, USA.
authors.forename: Eric E
authors.initials: EE
authors.lastname: Goff
authors.affiliation: Department of Social Sciences, University of Virginia's College at Wise, USA.
authors.forename: Alexandria M
authors.initials: AM
authors.lastname: Reynolds
authors.affiliation: Department of Epidemiology and Biostatistics, University of South Carolina, USA.
authors.forename: Nidha
authors.initials: N
authors.lastname: Khan
authors.affiliation: College of Nursing and Health Innovation, Arizona State University, USA.
authors.forename: Mihyun
authors.initials: M
authors.lastname: Jeong
authors.affiliation: Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, USA.
authors.forename: Girardin
authors.initials: G
authors.lastname: Jean-Louis
mesh_terms: D003430:Cross-Sectional Studies; D006306:Health Surveys; D006801:Humans; D010549:Personal Satisfaction; D012892:Sleep Deprivation / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D012893:Sleep Wake Disorders / Q000145:classification* / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D013997:Time Factors