Nocturnal movements.
D006801:Humans; D007866:Leg; D009068:Movement; D009119:Muscle Contraction; D009120:Muscle Cramp / Q000503:physiopathology; D009207:Myoclonus / Q000503:physiopathology*; D012640:Seizures / Q000503:physiopathology; D012890:Sleep / Q000502:physiology*; D013036:Spasms, Infantile / Q000503:physiopathology