title: Sleep and sleep disorders.
mesh_terms: D006970:Disorders of Excessive Somnolence / Q000175:diagnosis / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000175:diagnosis; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis / Q000628:therapy; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000628:therapy