A new Nature Communications study has tracked these lulls in cassiopea jellyfish, which belong to a 500 million year-old ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of mind. He recommends them even for people without significant sleep issues, ...

Getting some quick shut-eye has been associated with several health benefits, especially improving how our brain works.

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...