Improve postoperative sleep: what can we do?

Purpose of review We reviewed evidences regarding occurrence, risk factors, harmful effects, prevention, and management of sleep disturbances in patients after surgery. Recent findings Normal sleep is important to maintain physical and mental health. Sleep disturbances frequently occur in patients after surgery. Factors associated with the development of postoperative sleep disturbances include old age, preoperative comorbidity, type of anesthesia, severity of surgical trauma, postoperative pain, environment stress, as well as other factors leading to discomfort of patients. Development of sleep disturbances produces harmful effects on postoperative patients, that is, leading to higher risk of delirium, increased sensitivity to pain, more cardiovascular events, and poorer recovery. Both nonpharmacological and pharmacological measures (such as zolpidem, melatonin, and dexmedetomidine) can be used to improve postoperative sleep. Recent evidences show that sleep promotion may improve patients' outcome, but requires further evidences. Summary Sleep disturbances are common in patients after surgery and produce harmful effects on postoperative recovery. Sleep-promotion therapy may be helpful to improve postoperative recovery, but long-term effects deserve further study. Correspondence to Dong-Xin Wang, MD, PhD, Department of Anesthesiology and Critical Care Medicine, Peking University First Hospital, Beijing 100034, China. E-mail: wangdongxin@hotmail.com Copyright © 2017 YEAR Wolters Kluwer Health, Inc. All rights reserved.

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