Sleep pattern disturbance.
D002648:Child; D002675:Child, Preschool; D002940:Circadian Rhythm; D003422:Critical Care / Q000451:nursing*; D006801:Humans; D007223:Infant; D009730:Nursing Assessment; D010371:Pediatric Nursing; D012894:Sleep Stages; D012893:Sleep Wake Disorders / Q000209:etiology / Q000451:nursing* / Q000503:physiopathology; D013315:Stress, Psychological