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The effect of mindfulness-based intervention on cognitively unimpaired older adults' cognitive function and sleep quality: a systematic review and meta-analysis.

Colm Lannon-Boran, Caoimhe Hannigan, Joanna McHugh Power, Jonathan Lambert, Michelle Kelly

Aging & Mental Health 2024 DOI: 10.1080/13607863.2023.2228255 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Systematic review and meta-analysis Randomized Peer reviewed
Sample size 563
Population Adults over 55 with no known cognitive impairment
Topics Meditation
Keywords Mbi Cognitive function Older adults Sleep quality
Key findings Meta-analyses of seven randomized controlled trials found no significant differences between mindfulness-based intervention groups and controls on executive function, free recall, or delayed recall. Mindfulness-based interventions significantly improved sleep quality compared with controls. The authors recommend further research on sleep quality's role in the mindfulness-cognitive function relationship in cognitively unimpaired older adults.

Abstract

Objective: This systematic review and meta-analysis aimed to investigate the effect of mindfulness-based intervention (MBI) on cognitively unimpaired older adults' cognitive function and sleep quality.Method: Studies published in English since 2010 were considered for inclusion. Databases searched were PubMed, Embase, Web of Science, and PsycInfo. We included randomized controlled trials (RCTs) with adults over 55 with no known cognitive impairment, that recorded cognitive outcomes and/or sleep quality pre- and post-intervention, and that implemented Mindfulness-Based Stress Reduction (MBSR), or an MBI closely based on MBSR protocol.Results: Seven RCTs fit the inclusion criteria, with 276 participants in MBI groups and 287 in controls. Four studies investigated mindfulness and cognitive function, two investigated mindfulness and sleep quality, and one investigated mindfulness, cognitive function, and sleep quality. Some studies were not reported in sufficient detail to be included in meta-analyses. Results of meta-analyses showed no significant differences between MBI groups vs controls on cognitive measures of executive function, free recall, and delayed recall. Meta-analysis revealed that MBI significantly improved sleep quality compared to controls.Conclusion: Given that poor sleep quality is strongly linked to increased risk of cognitive decline, further research investigating sleep quality's role in the mindfulness-cognitive function relationship in cognitively unimpaired older adults is recommended.

Comparable studies

Other systematic reviews and meta-analyses on meditation, most cited first.

Study Year Design Participants
Meditation Programs for Psychological Stress and Well-being Diverse adult clinical populations 2014 Meta-analysis n = 3,515
Mindfulness-Based Stress Reduction for Stress Management in Healthy People: A Review and Meta-Analysis Healthy subjects 2009 Systematic review and meta-analysis
The psychological effects of meditation: A meta-analysis. Nonclinical groups of adult meditators 2012 Meta-analysis n = 163
Efficacy of Mindfulness-Based Cognitive Therapy in Prevention of Depressive Relapse Adults with recurrent depression in full or partial remission 2016 Meta-analysis of individual patient data from randomized controlled trials n = 1,258
Mindfulness‐Based Stress Reduction and Mindfulness‐Based Cognitive Therapy – a systematic review of randomized controlled trials 2011 Systematic review

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