The Effect of Physical Activity Different Levels on Cognitive Function and Quality of Life in Elderly People with Sleep Disorders

The purpose of present research was to investigate the effect of physical activity different levels on cognitive function and quality of life in elderly people with sleep disorders. The research method was quasi-experimental with pre and post-test design. The statistical sample included 100 elderly people that divided randomly in five experimental groups (exercise with low، moderate، high، and very high intensity) and a control none active group. All subjects were completed the quality of life and cognitive functions scales. Results in post-test showed that the moderate، low and high intensity group scores in cognitive functions scale and quality of life were better than other groups (P<0. 05). Based on these findings، the aerobic practice with low، moderate and high intensity as a useful and medical method to improve the cognitive functions and quality of life among older adults with sleep impairment were recommended.