Randomized Controlled Trial of Imagery Rehearsal for Posttraumatic Nightmares in Combat Veterans Randomized Controlled Trial of Imagery Rehearsal for Posttraumatic Nightmares in Combat Veterans Download Public Awareness, Medical Integration, and Innovation in Sleep Medicine Rapid Eye Movement Sleep Percentage and Duration in Posttraumatic Stress Disorder Vary Dynamically and Inversely With Indices of Sympathetic Activation During Sleep and Sleep Fragmentation