title: When to worry if your patient can't sleep.
authors.forename: D J
authors.initials: DJ
authors.lastname: Metzler
authors.forename: C A
authors.initials: CA
authors.lastname: Finesilver
mesh_terms: D006801:Humans; D009730:Nursing Assessment; D012891:Sleep Apnea Syndromes / Q000451:nursing* / Q000503:physiopathology / Q000628:therapy