Relationships between Sleep, Sedentary Behavior, and Physical Activity in Young Adults

Ya-Wen Hsu*, Chun-Ping Chang and Chia-Chang Liu

Relationships between Sleep, Sedentary Behavior, and Physical Activity in Young Adults.

Obesity is a significant public health issue that causes a high economic burden for society, in relation to both direct and indirect costs. In Taiwan, the obesity rate has continually increased
over the past two decades. According to nationally representative data from the Nutrition and Health Survey in Taiwan, the prevalence of obesity [body mass index (BMI)≥27 kg/m2] was 22% in
adults aged 19 years and above in 2014. To prevent adverse health outcomes associated with obesity, intervention programs aimed at improving risk factors of obesity are needed. Three of the important modifiable behavioral factors that influence obesity-related disease risk are sleep, sedentary behavior, and physical activity.

There is compelling evidence that physical activity is related to favorable sleep durations and sleep quality. High school students who engaged in more than 3.5 hours of physical activity/ week had better sleep quality than those who engaged in 3.5 hours or fewer hours of physical activity/week.6
Another study showed that daily physical activity for ≥60 minutes is associated with sufficient sleep. While sleep and physical activity have been widely studied, a much smaller amount of data are available regarding the associations between sleep and sedentary behavior. Moreover, findings on the relationships between sleep and sedentary behavior have been less conclusive. One study found that young individuals who watched 3 or more hours of television (TV)/day were at
greater risk for sleep problems by early adulthood than those who watched fewer than 3 hours/day.

Obes Res Open J. 2019; 6(1): 18-24.doi: 10.17140/OROJ-6-138

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