Habituation of the orienting reflex during sleep.
D003214:Conditioning, Classical; D004569:Electroencephalography; D004585:Electrooculography; D005712:Galvanic Skin Response; D006185:Habituation, Psychophysiologic; D006339:Heart Rate; D009949:Orientation; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM; D013016:Sound