title: Effects of exercise, bedrest and napping on performance decrement during 40 hours.
mesh_terms: D000328:Adult; D002940:Circadian Rhythm; D004644:Emotions; D005221:Fatigue / Q000209:etiology; D006801:Humans; D008297:Male; D008570:Memory, Short-Term / Q000502:physiology; D005082:Physical Exertion; D012146:Rest; D012890:Sleep; D012892:Sleep Deprivation; D013647:Task Performance and Analysis; D013997:Time Factors