The Wall Street Journal
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Could Your Smartphone Screen Be Disrupting Your Sleep?
Posted
April 7, 2016
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2,694
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April 7, 2016
2,694
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1:28Now PlayingChecking your smartphone or tablet before bed is common practice, but the so-called "blue light" from the bright display may be impacting your quality of sleep. Here's one explanation why. Illustration: Heather Seidel for The Wall Street Journal
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