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Open AccessReview

Sleep and Cognition in Community-Dwelling Older Adults: A Review of Literature

1
College of Nursing, University of South Florida, 12901 Bruce B. Downs Blvd., MDC Box 22, Tampa, FL 33612, USA
2
School of Medicine, University of Pennsylvania, 3624 Market Street, Suite 205, Philadelphia, PA 19104, USA
3
School of Nursing, University of Pennsylvania, Claire M. Fagin Hall, 418 Curie Boulevard, Philadelphia, PA 19104, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Tracey L. Yap and Melissa Batchelor-Murphy
Healthcare 2015, 3(4), 1243-1270; https://doi.org/10.3390/healthcare3041243
Received: 30 June 2015 / Revised: 24 November 2015 / Accepted: 24 November 2015 / Published: 4 December 2015
(This article belongs to the Special Issue Nursing Care of the Older Adult)
Changes in sleep and cognition occur with advancing age. While both may occur independently of each other, it is possible that alterations in sleep parameters may increase the risk of age-related cognitive changes. This review aimed to understand the relationship between sleep parameters (sleep latency, wake after sleep onset, sleep efficiency, sleep duration, general sleep complaints) and cognition in community-dwelling adults aged 60 years and older without sleep disorders. Systematic, computer-aided searches were conducted using multiple sleep and cognition-related search terms in PubMed, PsycINFO, and CINAHL. Twenty-nine manuscripts met the inclusion criteria. Results suggest an inconsistent relationship between sleep parameters and cognition in older adults and modifiers such as depressive symptoms, undiagnosed sleep apnea and other medical conditions may influence their association. Measures of sleep and cognition were heterogeneous. Future studies should aim to further clarify the association between sleep parameters and cognitive domains by simultaneously using both objective and subjective measures of sleep parameters. Identifying which sleep parameters to target may lead to the development of novel targets for interventions and reduce the risk of cognitive changes with aging. View Full-Text
Keywords: older adults; sleep parameters; cognition; attention; executive function; verbal fluency; memory older adults; sleep parameters; cognition; attention; executive function; verbal fluency; memory
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Brewster, G.S.; Varrasse, M.; Rowe, M. Sleep and Cognition in Community-Dwelling Older Adults: A Review of Literature. Healthcare 2015, 3, 1243-1270.

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