The effects of presleep activity on all-night sleep.
D000293:Adolescent; D001307:Auditory Perception; D001887:Boredom; D004594:Electrophysiology; D006339:Heart Rate; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D009126:Muscle Relaxation; D005082:Physical Exertion; D011930:Reaction Time; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM