The inheritance of diurnal sleepiness as measured by pupillography.
D000293:Adolescent; D000328:Adult; D002648:Child; D002940:Circadian Rhythm; D003250:Constriction; D004106:Dilatation; D005260:Female; D006801:Humans; D007259:Infrared Rays; D008297:Male; D008722:Methods; D008875:Middle Aged; D009290:Narcolepsy / Q000175:diagnosis / Q000235:genetics*; D011680:Pupil; D014851:Wakefulness