Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend ...

healthy. Bodybuilders, for example, rely on deep sleep to boost levels of growth hormone, which builds muscle and burns fat.

He pushed the drill carefully through the last bit of bone. He inserted the thing using the tweezers. He sutured the hole, ...

Carry-over effects pose an intriguing oneiric paradox: the dream is not real, but it has real effects on our body and ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways — for example, stealing seconds at a time during around-the-clock parenting, getting winks on the wing ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and ...

A study using electroencephalography found that the extent of memory retention after sleep is associated with time spent in ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and wakefulness.

Memory function can decline when you get less than the recommended sleep per night. While a night or two with too little sleep may not make a noticeable difference, long-term sleep loss can ...

Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge. When you purchase through links on our site, we may earn an affiliate ...

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream? When you purchase through links on our site, we may earn an affiliate commission.

RBD is marked by loss of REM sleep atonia, leading to physical dream enactment. Polysomnography is essential to confirm RBD and rule out other disorders. Idiopathic RBD is a strong predictor of ...