The effectiveness of the behavioural components of cognitive behavioural therapy for insomnia in older adults : A systematic review

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McLaren, Declan M. and Evans, Jonathan J. and Baylan, Satu and Smith, Sarah and Gardani, Maria (2023) The effectiveness of the behavioural components of cognitive behavioural therapy for insomnia in older adults : A systematic review. Journal of Sleep Research, 32 (4). e13843. ISSN 0962-1105 (https://doi.org/10.1111/jsr.13843)

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Abstract

Insomnia is more prevalent in older adults (> 60 years) than in the general population. Cognitive behavioural therapy for insomnia is the gold-standard treatment; however, it may prove too cognitively taxing for some. This systematic review aimed to critically examine the literature exploring the effectiveness of explicitly behavioural interventions for insomnia in older adults, with secondary aims of investigating their effect on mood and daytime functioning. Four electronic databases (MEDLINE – Ovid, Embase – Ovid, CINAHL, and PsycINFO) were searched. All experimental, quasi-experimental and pre-experimental studies were included, provided they: (a) were published in English; (b) recruited older adults with insomnia; (c) used sleep restriction and/or stimulus control; (d) reported outcomes pre-and-post intervention. Database searches returned 1689 articles; 15 studies, summarising the results of 498 older adults, were included – three focused on stimulus control, four on sleep restriction, and eight adopted multicomponent treatments comprised of both interventions. All interventions brought about significant improvements in one or more subjectively measured facets of sleep although, overall, multicomponent therapies demonstrated larger effects (median Hedge's g = 0.55). Actigraphic or polysomnographic outcomes demonstrated smaller or no effects. Improvements in measures of depression were seen in multicomponent interventions, but no intervention demonstrated any statistically significant improvement in measures of anxiety. This corroborates with the existing consensus that multicomponent approaches confer the most benefit, and adds to the literature by demonstrating this to be the case in brief, explicitly behavioural interventions. This review guides future study of treatments for insomnia in populations where cognitive behavioural therapy for insomnia is not appropriate.

ORCID iDs

McLaren, Declan M. ORCID logoORCID: https://orcid.org/0000-0001-7578-1698, Evans, Jonathan J., Baylan, Satu, Smith, Sarah and Gardani, Maria;
CORE (COnnecting REpositories)