sleep sleep

It's one thing to track your heart rate, pulse or other movements with a smart watch or other consumer electronics, researchers say, but quite another to rely on the device to diagnose a disease. martin-dm/Getty Images hide caption

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Like It Or Not, Personal Health Technology Is Getting Smarter

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As people age they may forget more because their brain waves get out of sync, new research finds. PhotoAlto/Frederic Cirou/Getty Images hide caption

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Older Adults' Forgetfulness Tied To Faulty Brain Rhythms In Sleep

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If you're regularly checking your phone at night in a dark room, you're probably tricking your body into thinking it's still daytime. Artur Debat/Moment Editorial/Getty Images hide caption

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Apps Can Cut Blue Light From Devices, But Do They Help You Sleep?

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Think you can get away with fewer than eight hours of sleep per night? Neuroscientist Matthew Walker says — think again. Sophie Blackall/Getty Images/Ikon Images hide caption

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Sophie Blackall/Getty Images/Ikon Images

The "Swiss Army Knife" Of Health: A Good Night's Sleep

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Do we really need sleep? Mark Conlan/Getty Images/Ikon Images hide caption

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Mark Conlan/Getty Images/Ikon Images

Eleven Days Without Sleep: The Haunting Effects Of A Record-Breaking Stunt

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Hannah Vanderkooy demonstrates the napping pod she uses at Las Cruces High School in Las Cruces, N.M. Joe Suarez for NPR hide caption

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Joe Suarez for NPR

Stressed-Out High Schoolers Advised To Try A Nap Pod

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Escaping artificial light even for a winter weekend can reset sleep patterns for the better, researchers say. One good place to do it: Heliotrope Ridge near Mount Baker in Washington state. Christopher Kimmel/Aurora Open/Getty Images hide caption

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Teen Night Owls Struggle To Learn And Control Emotions At School

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This happens, pediatricians acknowledge. So they're offering advice on how to reduce the risk of bed sharing with infants, which includes removing loose bedding that could lead to suffocation. PhotoAlto/Anne-Sophie Bost/Getty Images hide caption

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One Silicon Valley startup that encouraged its employees to think about work 24/7 found they missed market signals, tanked deals and became too irritable to build crucial working relationships. Hill Street Studios/Blend Images/Getty Images hide caption

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Many Grouchy, Error-Prone Workers Just Need More Sleep

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Sleep Deprived: We're Recharging Our Phones, But Not Ourselves

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