title: Sleep and fatigue.
authors.affiliation: Sleep Disorders Center, Stanford University School of Medicine, Stanford, CA, USA.
authors.forename: M M
authors.initials: MM
authors.lastname: Ohayon
authors.forename: C M
authors.initials: CM
authors.lastname: Shapiro
mesh_terms: D002940:Circadian Rhythm; D005221:Fatigue / Q000209:etiology*; D015673:Fatigue Syndrome, Chronic / Q000209:etiology; D006801:Humans; D012307:Risk Factors; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000209:etiology