Breathing disorders during sleep.
D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D012119:Respiration; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy