title: When is sleepiness a disease? How do we measure it?
authors.forename: R Bart
authors.initials: RB
authors.lastname: Sangal
mesh_terms: D000063:Accidents, Traffic / Q000706:statistics & numerical data; D001334:Automobile Driving / Q000706:statistics & numerical data; D006970:Disorders of Excessive Somnolence / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D012720:Severity of Illness Index