title: Daytime sleepiness and daytime wakefulness: the effect of instruction.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009290:Narcolepsy / Q000503:physiopathology; D011930:Reaction Time; D012890:Sleep / Q000502:physiology*; D012892:Sleep Deprivation; D012894:Sleep Stages / Q000502:physiology*; D012893:Sleep Wake Disorders / Q000175:diagnosis; D012895:Sleep, REM; D014851:Wakefulness / Q000502:physiology*