title: Sleep fragmentation and daytime wakefulness.
authors.forename: W B
authors.initials: WB
authors.lastname: Mendelson
mesh_terms: D002940:Circadian Rhythm; D004569:Electroencephalography; D006801:Humans; D012891:Sleep Apnea Syndromes / Q000503:physiopathology*; D012894:Sleep Stages; D014851:Wakefulness