![]() ![]() While the literature is small and still developing, the sleep benefits of CBT-I are more clearly expressed in the subjective versus objective domain.Īctigraphy Cognitive behavioural therapy Insomnia Meta-analysis Polysomnography Sleep.Ĭopyright © 2019. ![]() In contrast, and consistent with recent meta-analyses, CBT-I was associated with robust improvements in diary measures of sleep initiation and maintenance (Hedge's g range = 0.50 to 0.79) but not TST. Actigraphy evidence was more mixed with a small effect for reduction in sleep onset latency (Hedge's g = -0.28, p = 0.018) and a moderate effect for reduction in total sleep time (TST) (Hedge's g = -0.51, p < 0.001). Meta-analyses found no evidence that CBT-I reliably improves PSG-defined sleep parameters. The quality of the literature was generally high, although reporting of methodological detail varied markedly between studies. Cognitive behavioural therapy for insomnia (CBT-I) is a promising intervention that can improve outcomes in people who suffer from insomnia. A Wilcoxon signed-rank test was utilized to compare within-group changes from baseline to post-intervention. Validated assessments were administered at baseline and post-intervention to assess glycemic control, DSCB, and fatigue. Following appraisal for risk of bias, extracted data were meta-analysed using random-effects models. This Randomized Controlled Trial (RCT) used a non-inferiority framework to test the effectiveness of CBT-I. This meta-analysis aimed to quantify the impact of multi-component CBT-I on objective measures of sleep, indexed via polysomnography (PSG) and actigraphy. Background: Cognitive behavioral therapy for insomnia (CBT-I) has been shown to improve depressive symptoms in older adults with comorbid insomnia and depression. It is well-established that cognitive behavioural therapy for insomnia (CBT-I) improves self-reported sleep disturbance, however the impact on objective sleep is less clear. ![]()
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