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Sleep disturbance is a common symptom of post-traumatic stress disorder (PTSD) and is associated with significant functional impairment. In a randomized, controlled trial, researchers compared the effects of 8 weeks of cognitive-behavioral therapy for insomnia (CBT-I) or a waiting list in 45 patients with PTSD and chronic insomnia (31 women; mean age, 37; mean duration of PTSD, 18 years). Participants could be on medications or in therapy so long as doses were stable and type of therapy was unchanged during the study.
Both after treatment and at 6-month follow-up, CBT-I was superior to the waitlist condition in sleep diary ratings of sleep onset latency, wake after sleep onset, sleep efficiency, total sleep time, and energy level. None of th…