Sleep May Help Kids Stay Thin
Children who sleep more are less likely to be overweight, a new study from Northwestern University shows.
Among children ages 3 to 8 years, just one extra hour of sleep a night decreases a child's chances of being overweight from 36% to 30%. Among the 8 to 13 years old group, an extra hour lowered the odds from 34% to 30%.
The researchers kept track of 2281 children who were ages 3 to 12 years at the beginning of the five-year study.
Emily Snell, lead researcher, said that a lack of sleep might affect hormones that regulate appetite. She recommended that children ages 5 to 12 years sleep 10 to 11 hours a night. For adolescents, that number is 8 to 9 hours. The seven-year-olds in the study averaged less than 10 hours on weekdays. This study appears in the February 2007 issue of Child Development.
Among children ages 3 to 8 years, just one extra hour of sleep a night decreases a child's chances of being overweight from 36% to 30%. Among the 8 to 13 years old group, an extra hour lowered the odds from 34% to 30%.
The researchers kept track of 2281 children who were ages 3 to 12 years at the beginning of the five-year study.
Emily Snell, lead researcher, said that a lack of sleep might affect hormones that regulate appetite. She recommended that children ages 5 to 12 years sleep 10 to 11 hours a night. For adolescents, that number is 8 to 9 hours. The seven-year-olds in the study averaged less than 10 hours on weekdays. This study appears in the February 2007 issue of Child Development.
Labels: appetite, overweight, sleep
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