Treatment of comorbid sleep disorders and posttraumatic stress disorder in active duty military: Design and methodology of a randomized clinical trial.

Many individuals with posttraumatic stress disorder (PTSD) also suffer from insomnia and nightmares, which may be symptoms of PTSD or constitute partially independent comorbid disorders. Sleep disturbances are resistant to current treatments for PTSD, and those suffering from PTSD, insomnia, and nightmares have worse PTSD treatment outcomes. In addition, insomnia and nightmares are risk factors for depression, substance abuse, anxiety, and suicide. Cognitive-Behavioral Therapy for Insomnia and Nightmares (CBT-IN (2) 12 sessions of CPT followed by 6 sessions of CBT-IN or (3) 12 sessions of CPT followed by an additional 6 sessions of CPT. All participants will be assessed at baseline, during treatment, and at 1-week, 1-month, 3-months, and 6-months posttreatment. The primary outcome will be PTSD symptom severity.