The Association between Extreme Sleep Duration and Cardiac Autonomic Control in Community-Dwelling Older Adults: The Yilan Study, Taiwan
Journal
Journals of Gerontology - Series A Biological Sciences and Medical Sciences
Journal Volume
72
Journal Issue
7
Pages
929-936
Date Issued
2017
Author(s)
Abstract
Backgrounds: The aims of the present study were to determine the associations and sex-specific relationships between extreme sleep duration and cardiac autonomic control in a cohort of older individuals. Methods: A community-based survey was conducted in Yilan City, Taiwan. Community-dwelling older adults aged ?65 were randomly selected to participate. Extreme sleep durations were defined as either short sleep (?5 hours) or long sleep (?8 hours). Cardiac autonomic control was evaluated using the parameters of frequency-domain analysis of heart rate variability. Results: Of 1,721 participants, 58.7% were female. In multiple logistic regression analyses, short sleep duration did not correlate with any of the unhealthier parameters of heart rate variability. In contrast, long sleep duration was associated with elevated risk for poor high-frequency values (odds ratio [OR]: 1.83, 95% confidence interval [CI]: 1.34-2.50) and the unfavorable low-frequency values (OR: 1.44, 95% CI: 1.05-1.97). When stratified by sex, the associations between extreme sleep duration and poor heart rate variability were more robust in males. Conclusions: Poor cardiac autonomic control may underlie the link between extreme sleep duration and adverse health outcomes in older adults. A sex-specific relationship between poor cardiac autonomic function and extreme sleep duration also was found. ? The Author 2016.
Subjects
Cardiovascular; Epidemiology; Sleep
SDGs
Other Subjects
aged; autonomic nervous system; female; health survey; heart; heart rate; human; independent living; innervation; male; outcome assessment; pathophysiology; procedures; randomization; risk assessment; sex difference; Sleep Wake Disorders; statistics; statistics and numerical data; Taiwan; Aged; Autonomic Nervous System; Female; Health Surveys; Heart; Heart Rate; Humans; Independent Living; Male; Patient Outcome Assessment; Random Allocation; Risk Assessment; Sex Factors; Sleep Wake Disorders; Statistics as Topic; Taiwan
Type
journal article