Obese teens who don't get enough sleep might be at a higher risk of developing Type 2 diabetes, a new study has found.
Researchers at The Children's Hospital in Philadelphia found obese teens who don't sleep enough have disruptions in insulin secretion and blood sugar levels.
"Our study found to keep glucose levels stable, the optimal amount of sleep for teenagers is 7.5 to 8.5 hours per night," researcher Dorit Koren said.
The researchers studied 62 obese adolescents. Over 1 1/2 days, the white, African American and Hispanic teenagers underwent glucose testing and an overnight sleep study. In addition to measuring total sleep time, the scientists studied "sleep architecture" -- stages of sleep such as slow-wave (deep) sleep and rapid eye movement (dream) sleep.
The study appeared online Tuesday in the journal Diabetes Care.
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