title: Sleepiness, fatigue, and impaired alertness.
authors.affiliation: Sleep and Alertness Clinic, Department of Psychiatry, University of Toronto, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada.
authors.forename: C M
authors.initials: CM
authors.lastname: Shapiro
authors.forename: L
authors.initials: L
authors.lastname: Kayumov
mesh_terms: D000328:Adult; D000368:Aged; D001143:Arousal / Q000502:physiology; D005221:Fatigue / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D020181:Sleep Apnea, Obstructive / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D012895:Sleep, REM / Q000502:physiology; D020521:Stroke / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology