title: Biological validity to sleep measurements during critical illness.
authors.forename: Sairam
authors.initials: S
authors.lastname: Parthasarathy
authors.forename: Randall S
authors.initials: RS
authors.lastname: Friese
authors.forename: Najib T
authors.initials: NT
authors.lastname: Ayas
mesh_terms: D016638:Critical Illness; D006801:Humans; D006935:Hypercapnia / Q000503:physiopathology / Q000628:therapy; D012121:Respiration, Artificial / Q000401:mortality; D012131:Respiratory Insufficiency / Q000503:physiopathology / Q000628:therapy; D012890:Sleep / Q000502:physiology*; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000503:physiopathology; D017211:Treatment Failure