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Sleep disturbance is a risk factor for suicidal ideation and behavior. These researchers investigated whether treatment of insomnia with cognitive-behavioral therapy for insomnia (CBT-I) would decrease suicidal ideation.
The participants, 405 U.S. military veterans with DSM-IV insomnia disorder, completed a course of CBT-I (men, 86%; white, 70%). Patients with bipolar disorder, severe daytime sleepiness, or substance use disorder within the past 4 weeks were excluded. CBT-I included an initial assessment and then ≤5 treatment sessions with modules on sleep restriction, stimulus control, relaxation, cognitive therapy, and relapse prevention.
CBT-I significantly reduced insomnia. At baseline, 32% of patients reported suicidal ideation, compared…