title: Heart rate deceleration in REM sleep: an orienting reaction interpretation.
mesh_terms: D000328:Adult; D001288:Attention / Q000502:physiology; D004325:Dreams / Q000502:physiology; D005133:Eye Movements; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009949:Orientation / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology*