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

February 3, 2015 8:14 AM

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

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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