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The relationship between sleep and physical function in community-dwelling adults: a pilot study
Rebecca Ann Lorenz1, Chakra B Budhathoki, Gurpreet K Kalra
1Saint Louis University School of Nursing, St Louis, Missouri (Dr Lorenz); John Hopkins University School of Nursing, Baltimore, Maryland (Dr Budhathoki); Children's Hospital of Philadelphia, Pennsylvania (Dr Kalra); and George Mason University School of Nursing, Fairfax, Virginia (Dr Richards).
Older adults experiencing insufficient total sleep time may face increased risks of preclinical disability and mobility challenges. This suggests sleep duration is a key factor in maintaining physical function as we age.
Area of Science:
- Gerontology
- Sleep Medicine
- Rehabilitation Science
Background:
- Over 50% of community-dwelling adults report sleep complaints.
- Aging commonly leads to a decline in physical function.
- Sleep difficulties may worsen age-related functional decline.
Purpose of the Study:
- To explore the associations between sleep, age, chronic disease burden, and physical function.
- To investigate the role of sleep in functional decline among older adults.
Main Methods:
- Pilot study involving 50 community-dwelling older adults.
- Examined relationships between total sleep time, age, chronic disease burden, and physical function.
- Utilized regression analysis to assess associations.
Main Results:
- Significant negative correlations found between total sleep time and preclinical disability (r = -0.33, P ≤ .05).
- Significant negative correlations found between total sleep time and mobility difficulty (r = -0.36, P ≤ .05).
- Total sleep time remained significantly associated with mobility and disability after controlling for chronic disease burden.
Conclusions:
- Total sleep time is a significant factor associated with physical function in older adults.
- Insufficient sleep may act as a catalyst for functional decline, independent of chronic disease.
- Maintaining adequate sleep may be crucial for preserving physical function in aging populations.
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