Korean J Fam Pract. 2018; 8(5): 729-734  https://doi.org/10.21215/kjfp.2018.8.5.729
The Effect of Sleep Duration and Regularity on Cardio-Cerebrovascular Disease: Community-Based Prospective Study
Eunjoong Kwon1, Byungsung Kim2,*, Changwon Won1, Hyunrim Choi1, Sunyoung Kim2, Kyungjin Kim1, Sujin Jeong3
1Department of Family Medicine, Kyung Hee University Hospital; 2Department of Medicine, Graduate School, Kyung Hee University; 3Statistics Support Department, Kyung Hee University Medical Center Medical Science Research Institute, Seoul, Korea
Byungsung Kim
Tel: +82-2-958-8696, Fax: +82-2-958-8699
E-mail: bskim7@khmc.or.kr
ORCID: http://orcid.org/0000-0002-4984-6918
Received: July 20, 2017; Revised: September 14, 2017; Accepted: September 29, 2017; Published online: October 20, 2018.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: This study aimed to examine the incidence of coronary artery diseases and cerebrovascular disease according to sleep duration and regularity, and to identify correctable sleeping habits associated with causes of death.
Methods: We used data from the Korean Genome and Epidemiology Study of the Korea Centers for Disease Control and Prevention. The Ansan and Anseong community cohort study was conducted among male and female residents aged 40–69 years in small and medium-sized cities.
Results: The incidence of coronary artery disease and combined cardiovascular and cerebrovascular disease gradually increased in association with sleep duration of 7 to 9 hours and 9 hours or more, compared to that for a duration of 5 to 7 hours. The incidence of cerebrovascular disease increased with sleep duration of 9 hours or more. The risk of cerebrovascular disease and combined cardiovascular and cerebrovascular disease was higher in association with irregular sleep.
Conclusion: Excessive and irregular sleep are risk factors for development of coronary artery disease and cerebrovascular diseases, and proper sleeping habits are necessary to prevent these vascular diseases.
Keywords: Sleep; Coronary Artery Disease; Cerebrovascular Disorder
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