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Randomized Controlled Trial
. 2014 Feb 1;37(2):327-41.
doi: 10.5665/sleep.3408.

Cognitive behavioral therapy for insomnia in posttraumatic stress disorder: a randomized controlled trial

Lisa S Talbot  1 , Shira Maguen  1 , Thomas J Metzler  2 , Martha Schmitz  1 , Shannon E McCaslin  3 , Anne Richards  1 , Michael L Perlis  4 , Donn A Posner  5 , Brandon Weiss  2 , Leslie Ruoff  2 , Jonathan Varbel  2 , Thomas C Neylan  1
Affiliations
Randomized Controlled Trial

Cognitive behavioral therapy for insomnia in posttraumatic stress disorder: a randomized controlled trial

Lisa S Talbot et al. Sleep. .

Abstract

Study objectives: Examine whether cognitive behavioral therapy for insomnia (CBT-I) improves sleep in posttraumatic stress disorder (PTSD) as well as nightmares, nonsleep PTSD symptoms, depression symptoms, and psychosocial functioning.

Design: RANDOMIZED CONTROLLED TRIAL WITH TWO ARMS: CBT-I and monitor-only waitlist control.

Setting: Department of Veterans Affairs (VA) Medical Center.

Participants: Forty-five adults (31 females: [mean age 37 y (22-59 y)] with PTSD meeting research diagnostic criteria for insomnia, randomly assigned to CBT-I (n = 29; 22 females) or monitor-only waitlist control (n = 16; nine females).

Interventions: Eight-session weekly individual CBT-I delivered by a licensed clinical psychologist or a board-certified psychiatrist.

Measurements and results: Measures included continuous monitoring of sleep with diary and actigraphy; prepolysomnography and postpolysomnography and Clinician-Administered PTSD Scale (CAPS); and pre, mid, and post self-report questionnaires, with follow-up of CBT-I participants 6 mo later. CBT-I was superior to the waitlist control condition in all sleep diary outcomes and in polysomnography-measured total sleep time. Compared to waitlist participants, CBT-I participants reported improved subjective sleep (41% full remission versus 0%), disruptive nocturnal behaviors (based on the Pittsburgh Sleep Quality Index-Addendum), and overall work and interpersonal functioning. These effects were maintained at 6-mo follow-up. Both CBT-I and waitlist control participants reported reductions in PTSD symptoms and CAPS-measured nightmares.

Conclusions: Cognitive behavioral therapy for insomnia (CBT-I) improved sleep in individuals with posttraumatic stress disorder, with durable gains at 6 mo. Overall psychosocial functioning improved following CBT-I. The initial evidence regarding CBT-I and nightmares is promising but further research is needed. Results suggest that a comprehensive approach to treatment of posttraumatic stress disorder should include behavioral sleep medicine.

Clinical trial information: TRIAL NAME: Cognitive Behavioral Treatment Of Insomnia In Posttraumatic Stress Disorder. URL: http://clinicaltrials.gov/ct2/show/NCT00881647.

Registration number: NCT00881647.

Keywords: Insomnia; cognitive behavioral therapy; posttraumatic stress disorder.

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Figures

Figure 1
Figure 1
Flow of participants through the trial. CBT-I, cognitive behavioral therapy for insomnia.
Figure 2
Figure 2
Pittsburgh Sleep Quality Index (PSQI) scores. CBT-I, cognitive behavioral therapy for insomnia. Condition × time interaction, P < 0.001.
Figure 3
Figure 3
Clinician-Administered PTSD Scale (CAPS) scores. CBT-I, cognitive behavioral therapy for insomnia. Condition × time interaction, P < 0.001.
Figure 4
Figure 4
Pittsburgh Sleep Quality Index-Addendum (PSQI-A) scores. CBT-I, cognitive behavioral therapy for insomnia. Condition × time interaction, P < 0.001.
Figure 5
Figure 5
Work and Social Adjustment Scale (WSAS) (impairment) scores. CBT-I, cognitive behavioral therapy for insomnia. Condition × time interaction, P = 0.007.
See this image and copyright information in PMC

References

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