Study: Sleep Helps Youngsters Stay Trim

It's well known that children who exercise and eat healthy foods are less likely to be overweight. A new study in the journal Child Development finds that getting enough sleep is also key.

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STEVE INSKEEP, Host:

Okay, it's well known that children who exercise and eat healthy foods are less likely to be overweight. A new study in the journal Child Development finds that getting enough sleep is also key.

Researchers at Northwestern University tracked more than 2,000 children. Their families kept diaries of when the kids slept. The research found that kids who got more sleep tended to have a lower body mass index and were less likely to be overweight five years later. The explanation: kids who are tired are less likely to exercise. And not only that; when kids stay up later, they may have more time to eat.

Researchers found that even an extra hour of sleep cut the likelihood of being overweight.

And that's Your Health for this morning.

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