Physical activity is already well associated with healthy sleep, but the new study, led by Michael Grandner yields insight into whether specific types of physical activities may impact sleep quality.
    
Using data on sleep and physical activities of 429,110 adults from the 2013 Behavioural Risk Factor Surveillance System, the Penn researchers measured whether each of 10 types of activities was associated with typical amount of sleep, relative to both no activity and to walking.
    
Survey respondents were asked what type of physical activity they spent the most time doing in the past month, and also asked how much sleep they got in a typical 24-hour period.
    
Compared to just walking, aerobics/calisthenics, biking, gardening, golf, running, weight-lifting and yoga/Pilates were each associated with fewer cases of insufficient sleep, and household/childcare activity was associated with higher cases of insufficient sleep. These results were adjusted for age, sex, education level, and body mass index.
    
"Although previous research has shown that lack of exercise is associated with poor sleep, the results of this study were surprising," said Grandner.
    
"It was also interesting that people who receive most of their activity from housework and childcare were more likely to experience insufficient sleep – we know that home and work demands are some of the main reasons people lose sleep," Grandner added.

 

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