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Sleep disturbances associated with posttraumatic stress disorder and alcohol dependence.

Waldrop AE, Back SE, Sensenig A, Brady KT

Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425, USA. waldrop@musc.edu

Sleep disturbances commonly appear in the context of both posttraumatic stress disorder (PTSD) and alcohol use disorders. Sleep symptoms typically reported among clinical populations include delayed sleep onset, poor sleep continuity, early morning awakening, and disturbed sleep architecture. The aim of the present study was to examine multiple forms of sleep disturbances among individuals with comorbid PTSD and alcohol dependence, PTSD only, alcohol dependence only, and a control group. Both PTSD and alcohol dependence diagnoses were associated with multiple forms of sleep disturbance, but comorbidity of the two disorders did not appear to increase the risk over and above either single disorder for reporting any of the sleep difficulties examined. As PTSD symptom severity increased, so did sleep latency, mid-sleep wakening, and early morning wakening. However, contrary to our hypothesis, no significant direct relationship between severity of alcohol use and sleep disturbances was revealed. These findings suggest a need for thorough assessment of sleep symptoms in patients presenting with PTSD or alcohol dependence.

Published 20 December 2007 in Addict Behav, 33(2): 328-35.
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