The association of polysomnographic sleep on posttraumatic stress disorder symptom clusters in trauma-exposed civilians and veterans-SAV3I1 The association of polysomnographic sleep on posttraumatic stress disorder symptom clusters in trauma-exposed civilians and veterans-SAV3I1 Download Alcohol use and poor sleep quality: a longitudinal twin study across 36 years-SAV3I1 A systematic review and meta-analysis of the prevalence of poor sleep in inflammatory bowel disease-SAV3I1