For teens, falling asleep gets harder with more screen time

February 3, 2015 12:13 PM

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For teens, falling asleep gets harder with more screen time

Teenagers who while away the hours on an electronic device — whether it's a computer, cell phone, tablet or TV — tend to have more problems with sleeping at night, a new study finds.

The cumulative amount of screen time a teen gets throughout the day — not just before bedtime — affects how long they sleep, according to the study, published Feb. 2 in the journal BMJ Open.

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