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

While a nightcap may make you feel drowsy, it interferes with REM sleep, increases nighttime awakenings, and leaves you feeling groggy the next day. The good news? You don’t have to skip celebrations ...

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

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 ...

The most frequently reported reasons for medicinal cannabis use are for pain relief and improvements in sleep.

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.