The sleep of skydivers: a study of stress.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D008016:Life Change Events; D008297:Male; D010551:Personality; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM; D013177:Sports; D013315:Stress, Psychological; D013997:Time Factors