%0 Journal Article %T Organized Social Activity, Physical Exercise, and the Risk of Insomnia Symptoms Among Community %A Wonsuk Yoo %A Yohannes W. Endeshaw %J Journal of Aging and Health %@ 1552-6887 %D 2019 %R 10.1177/0898264317747705 %X Objectives: To compare the risk of insomnia symptoms among community-dwelling older adults who participated and did not participate in organized social activity and physical exercise. Design: Secondary data analysis of a prospective cohort study. Material and Methods: Community-dwelling older adults ¡Ý65 years of age with no insomnia symptoms at baseline were included in the study. Participants were followed up yearly for 3 years. Insomnia symptoms, social activity, and physical exercise status of study participants were assessed at baseline and during follow-up. Results: Study participants who reported engaging in organized social activity and low-intensity physical exercise and organized social activity and high-intensity physical exercise were less likely to report insomnia symptoms during follow-up compared with those who did not engage in any activity. Conclusion: These results suggest beneficial effect of organized social activity and physical exercise in maintaining sleep quality in old age %K social activity %K low-intensity walking exercise %K high-intensity physical exercise %K insomnia symptoms %U https://journals.sagepub.com/doi/full/10.1177/0898264317747705