Daytime naps may benefit some older adults.
D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007361:Intelligence Tests; D008297:Male; D008875:Middle Aged; D012146:Rest / Q000502:physiology*; D012890:Sleep / Q000502:physiology*; D012893:Sleep Wake Disorders / Q000503:physiopathology; D013997:Time Factors