Animals have fascinating sleeping patterns adapted to survival. Dolphins sleep with one eye open, giraffes get about 20 ...

"[Sloths] have a very slow metabolism, so they eat and they sleep a lot," General Curator Lacey Hickle said. "So she'll probably be sleeping around a lot of the time when people visit." Hickle ...

"How to Sleep Like a Caveman: Ancient Wisdom for a Better Night's Rest" by Dr. Marijn van de Laar explores the sleep habits ...

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And today we are going to recharge by taking some time out to stretch our worries away by moving slowly like a sleepy sloth. Sloths sleep a lot, and when they're not sleeping they're resting or ...

Donald Moden Jr., 57, was caught in a Colorado avalanche on Jan. 7. More than four hours later, his concerned wife found him ...

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It found that doctors with moderate, high, and very high sleep-related impairment were 54%, 96%, and 97%, respectively, more likely to report clinically significant medical errors. On a similar ...

We've all been there -- the relentless tossing and turning and the endless ticking of the clock as sleep eludes us in the darkest hours of night. The American Academy of Sleep Medicine recommends ...