Smartphones, Tablets Sabotaging Teens’ Sleep

Teens sleep less than they used to, sacrificing shuteye to spend more time on their phones and tablets. Experts say teens need at least nine hours of sleep a night to be engaged and productive during the day. Anything less can cause daytime sleepiness and interfere with school or daily activities. Faced with an array of tempting distractions, how much sleep are today’s teens actually getting? To find out, researchers analyzed a pair of long-term, national surveys of more than 360,000 eighth- through [...]

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