Sleep affected by screen use 'during the day as well as the night'

February 3, 2015 8:14 AM

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Published in the BMJ Open, the study of almost 10,000 adolescents found an effect from lesser amounts of screen time, too - a total of more than 2 hours on the devices outside of school hours was associated with both a longer time to get to sleep and a shorter amount of sleep then gained through the night.

Citing evidence that "almost all American adolescents (97%)" are reported to "have at least one electronic media device in their bedroom," the study authors refer to a "parallel shift" towards "poorer sleep over the past decades among adolescents."

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