One day in America--at rest. Enjoy that sleep, kid. You won't catch up till you're retired.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004325:Dreams; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012890:Sleep; D012892:Sleep Deprivation / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology