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Does cognitive-behavioral insomnia therapy alter dysfunctional beliefs about sleep?
J D Edinger1, W K Wohlgemuth, R A Radtke
1Psychology Service, VA Medical Center, Durham, NC 27705, USA. jack.edinger@duke.edu
Sleep
|August 2, 2001
Summary
Cognitive-behavioral insomnia therapy (CBT) effectively reduces negative sleep beliefs and improves insomnia symptoms. These cognitive changes, measured by the DBAS-SF, were sustained long-term, particularly in the CBT group.
Area of Science:
- Sleep Medicine
- Cognitive Behavioral Therapy
- Psychology
Background:
- Persistent primary sleep-maintenance insomnia affects many adults.
- Dysfunctional beliefs about sleep can perpetuate insomnia.
- Cognitive-behavioral interventions aim to modify these beliefs.
Purpose of the Study:
- To assess the effectiveness of cognitive-behavioral insomnia therapy (CBT) in reducing dysfunctional sleep beliefs.
- To determine if cognitive changes correlate with improvements in sleep.
- To evaluate the long-term impact of CBT on sleep beliefs and outcomes.
Main Methods:
- A double-blind, placebo-controlled study randomized 75 adults (40-80 years) with insomnia to CBT, progressive muscle relaxation, or a sham intervention.
- Participants received 6 weekly individual therapy sessions.
- The Dysfunctional Beliefs and Attitudes About Sleep (DBAS) Scale, including a short form (DBAS-SF), was administered pre-treatment, post-treatment, and at 6-month follow-up.
Main Results:
- CBT demonstrated significantly greater reductions in dysfunctional sleep beliefs (DBAS-SF) compared to control interventions.
- These cognitive improvements were maintained at the six-month follow-up.
- Cognitive changes, particularly within the CBT group, correlated with objective and subjective improvements in insomnia symptoms.
Conclusions:
- Cognitive-behavioral insomnia therapy (CBT) is an effective treatment for reducing maladaptive beliefs about sleep.
- The observed cognitive improvements are associated with positive outcomes in insomnia management.
- CBT offers a viable therapeutic approach for individuals struggling with persistent insomnia and related cognitive patterns.
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