title: Sleep pattern in Parkinson's disease.
mesh_terms: D000328:Adult; D004594:Electrophysiology; D006801:Humans; D008875:Middle Aged; D010300:Parkinson Disease / Q000503:physiopathology*; D012894:Sleep Stages / Q000502:physiology; D012893:Sleep Wake Disorders / Q000503:physiopathology*