title: Sleep laboratory at Providence hospital. The first 21 months.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004569:Electroencephalography; D006757:Hospital Units; D006801:Humans; D008875:Middle Aged; D009290:Narcolepsy / Q000503:physiopathology*; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000503:physiopathology*