40% of teenagers sleep 7 hours or less, trading sleep for more time on their smartphones

(Natural News) You see them everywhere. On the bus, in restaurants, at school, and at work. Every day, more people are staying glued to the screens of their mobile phones and gadgets. But 24/7 access to technology also has negative side effects, and a whopping 40 percent of teenagers don’t get enough sleep because of…

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