Sleep and wakefulness in 509 normal human adults.
D000328:Adult; D000368:Aged; D000375:Aging; D005260:Female; D006801:Humans; D007439:Introversion, Psychological; D008297:Male; D008875:Middle Aged; D009497:Neurotic Disorders / Q000503:physiopathology*; D010555:Personality Inventory; D012737:Sex Factors; D012890:Sleep; D012893:Sleep Wake Disorders; D013995:Time; D013997:Time Factors; D014851:Wakefulness