Sleepiness: its measurement and determinants.
D001143:Arousal; D001921:Brain / Q000503:physiopathology; D002940:Circadian Rhythm; D003864:Depression, Chemical; D006801:Humans; D009290:Narcolepsy / Q000188:drug therapy / Q000503:physiopathology; D011597:Psychomotor Performance; D011930:Reaction Time; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000503:physiopathology; D012892:Sleep Deprivation; D012894:Sleep Stages / Q000502:physiology*; D013268:Stimulation, Chemical; D014851:Wakefulness / Q000187:drug effects