Evidence-Based Reviews

Cognitive-behavioral therapy for insomnia: A review of 8 studies

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Outcomes

  • Both CBT-I and SRT outperformed SHE on the ISI and for most of the sleep parameters on sleep diaries immediately after treatment completion and at 6 months after treatment.
  • Total sleep time was 40 to 43 minutes longer in the CBT-I group than in the SRT and SHE groups at 6-month follow-up.
  • Remission rates (sleep onset latency ≤30 minutes, wake time after sleep onset ≤30 minutes, sleep efficiency ≥85%) were significantly higher in CBT-I group (CBT-I > SRT > SHE).

Conclusion

  • Sleep hygiene education as a standalone treatment is not useful for treating chronic insomnia.
  • Both CBT-I and SRT are efficacious for menopause-related insomnia.
  • CBT-I may be a better option than SRT because it produces higher remission rates and better long-term outcomes.

6. Kalmbach DA, Cheng P, Arnedt JT, et al. Improving daytime functioning, work performance, and quality of life in postmenopausal women with insomnia: comparing cognitive behavioral therapy for insomnia, sleep restriction therapy, and sleep hygiene education. J Clin Sleep Med. 2019;15(7):999-1010.

CBT-I has shown efficacy in the treatment of insomnia in postmenopausal women. In this study, Kalmbach et al14 compared 3 nonpharmacologic modalities—CBT-I, SRT, and SHE—for the treatment of menopause-related insomnia and daytime impairment.

Study design

  • In this RCT, 150 participants with new peri- and post-menopausal onset or exacerbation of insomnia were randomized to 1 of 3 groups: SHE, SRT, or CBT-I.
  • Participants were assessed at baseline, after treatment completion, and at 6-month follow-up using the ISI, sleep diaries, Fatigue Severity Scale, Epworth Sleepiness Scale, Work Productivity and Activity Impairment Questionnaire, and 36-item Medical Outcomes Study Short Form Health Survey.

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