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Solving the problem of sleep in hospitals

When Dr. Joseph Schlesinger's mother was in the hospital, it was hard to speak with her by phone above the beeps and blips of medical devices. It was even harder for her to get some shut-eye.

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To improve your memory, get moving ... or take a nap

Scientists have unlocked new secrets for boosting memory retention: One involves breaking a sweat, and the other involves taking a snooze.

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Lack of sleep can cause many health problems

There are many proven— and some unproven— facts about sleep deprivation and the short and long-term effects it could have.