Parents split over delayed school day

February 16, 2015 3:09 PM

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About half of the parents who participated in a recent survey support pushing back school start times – something that some science supports for the teens' health, but that also could trigger a cascade of logistical nightmares for transportation and after-school activities.

Davis said teens are "chronically sleep-deprived" for several reasons. Research suggests that hormonal changes shift their body clocks about two hours. Additionally, social interactions and even school homework mean they often go to sleep much later than needed to get the recommended 8 ½ to 9 ½ hour...

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