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Current Psychiatry Reports
Published in: Current Psychiatry Reports 12/2015

01-12-2015 | Sleep Disorders (P Gehrman, Section Editor)

Sleep, Cognition and Dementia

Authors: Verna R. Porter, William G. Buxton, Alon Y. Avidan

Published in: Current Psychiatry Reports | Issue 12/2015

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Abstract

The older patient population is growing rapidly around the world and in the USA. Almost half of seniors over age 65 who live at home are dissatisfied with their sleep, and nearly two-thirds of those residing in nursing home facilities suffer from sleep disorders. Chronic and pervasive sleep complaints and disturbances are frequently associated with excessive daytime sleepiness and may result in impaired cognition, diminished intellect, poor memory, confusion, and psychomotor retardation all of which may be misinterpreted as dementia. The key sleep disorders impacting patients with dementia include insomnia, hypersomnolence, circadian rhythm misalignment, sleep disordered breathing, motor disturbances of sleep such as periodic leg movement disorder of sleep and restless leg syndrome, and parasomnias, mostly in the form of rapid eye movement (REM) sleep behavior disorder (RBD). RBD is a pre-clinical marker for a class of neurodegenerative diseases, the “synucleinopathies”, and requires formal polysomnographic evaluation. Untreated sleep disorders may exacerbate cognitive and behavioral symptoms in patients with dementia and are a source of considerable stress for bed partners and family members. When left untreated, sleep disturbances may also increase the risk of injury at night, compromise health-related quality of life, and precipitate and accelerate social and economic burdens for caregivers.
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Metadata
Title
Sleep, Cognition and Dementia
Authors
Verna R. Porter
William G. Buxton
Alon Y. Avidan
Publication date
01-12-2015
Publisher
Springer US
Published in
Current Psychiatry Reports / Issue 12/2015
Print ISSN: 1523-3812
Electronic ISSN: 1535-1645
DOI
https://doi.org/10.1007/s11920-015-0631-8

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