A new study suggests that increasing the amount of sleep that teenagers get could improve their insulin resistance and prevent the future onset of diabetes.
"High levels of insulin resistance can lead to the development of diabetes," said lead author Karen Matthews, PhD, of the University of Pittsburgh Department of Psychiatry. "We found that if teens that normally get six hours of sleep per night get one extra hour of sleep, they would improve insulin resistance by 9 percent."
The study, appearing in the October issue of the journal Sleep, tracked the sleep duration and insulin resistance levels of 245 healthy high school students. Participants provided a fasting blood draw, and they kept a sleep log and wore a wrist actigraph for one week during the school year. Sleep duration based on actigraphy averaged 6.4 hours over the week, with school days significantly lower than weekends.
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