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How your smartphone affects your sleep
Dr. Sanjay Gupta tells us how disconnecting before we go to bed can help us live to 100.
01:31 - Source: CNN
Dr. Sanjay Gupta on Your Health 15 videos
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How your smartphone affects your sleep
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MUNICH, GERMANY - JULY 09: FC Bayern Muenchen sporting manager Matthias Sammer laughs during a press conference at the Bayern Muenchen training ground on July 9, 2014 in Munich, Germany. (Photo by Alexandra Beier/Bongarts/Getty Images)
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