Kids who sleep more less prone to obesity
Kids Who Sleep More Less Prone To Obesity. A new study has found that kids who tend to sleep more, may actually be eating less.
The study by Chantelle Hart, associate professor of public health at Temple's Center for Obesity Research and Education (CORE), is the first known study to examine the impact of sleep on children's eating behaviors by manipulating the amount of sleep that study participants were able to get.
The study, which was conducted while Dr. Hart was at the Miriam Hospital and Alpert Medical School of Brown University, involved 37 children, ages 8 to 11; 27 percent of whom were overweight or obese.
For the first week of the study, children were asked to sleep their typical amount. Next, during the second week, the group was randomized to either reduce or lengthen their sleep time; participants completed the opposite sleep schedule during the third and final week of the study.
The results were conclusive. During the week that the children increased their sleep, they reported consuming an average of 134 fewer calories per day, weighed a half pound less, and had lower fasting levels of leptin, a hunger-regulating hormone that is also highly correlated with the amount of adipose tissue, when compared to the week of decreased sleep.
"Findings from this study suggest that enhancing school-age children's sleep at night could have important implications for prevention and treatment of obesity ," Hart said.
The study is published in the journal Pediatrics.
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