期刊
SLEEP MEDICINE REVIEWS
卷 72, 期 -, 页码 -出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.smrv.2023.101856
关键词
Insomnia; Cognitive-behavioral therapy for insomnia; Maladaptive sleep belief
This systematic review examines the cognitive mechanisms in cognitive behavioral therapy for insomnia (CBT-I), specifically focusing on maladaptive sleep beliefs. The findings suggest that reducing maladaptive sleep beliefs can improve insomnia severity, but does not impact sleep efficiency or other sleep parameters. It is also found that sometimes improvements in sleep parameters precede reductions in maladaptive beliefs. Therefore, targeting maladaptive sleep beliefs is an important aspect in improving insomnia.
Cognitive behavioral therapy for insomnia (CBT-I) is an empirically supported intervention for insomnia. Given the strong, consistent support of its efficacy, scholars have become increasingly interested in the behavioral and cognitive mechanisms targeted during CBT-I. The purpose of the systematic review was to synthesize findings from the literature regarding the associations among maladaptive sleep beliefs, a cognitive mechanism impli-cated in maintaining insomnia, and treatment outcomes following CBT-I. The systematic review was completed using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Seventeen studies were included in the final sample of reviewed articles and a study quality assessment was performed for all studies included in the review. The results suggested that reductions in maladaptive sleep beliefs were associated with improved insomnia severity; however, reductions in maladaptive beliefs were not associated with changes in sleep efficiency or other sleep parameters. Moreover, in some cases, improved sleep parameters preceded reductions in maladaptive beliefs. Maladaptive sleep beliefs may be an important target for improving insomnia. Targeting maladaptive sleep beliefs may initiate a trickle-down process that limits the influence of other cognitive and behavioral processes maintaining insomnia. Additional investigation is needed to evaluate the directional relationship between improved insomnia symptoms and reduced maladaptive beliefs.
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