Monotonous stimulation, sleep onset and habituation of the orienting reaction.
D000328:Adult; D001143:Arousal; D001794:Blood Pressure; D003214:Conditioning, Classical; D004569:Electroencephalography; D005133:Eye Movements; D005260:Female; D005712:Galvanic Skin Response; D006185:Habituation, Psychophysiologic; D006801:Humans; D008297:Male; D009949:Orientation; D012890:Sleep; D013016:Sound