A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in jellyfish and sea anemones, among the earliest creatures with nervous ...

It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

Researchers found that missing a single night of sleep can quickly affect key parts of the immune system. The study found important immune cells became overactive after sleep loss. Researchers say ...

A study assessing adolescents' self-reported sleep behavior and social factors unearthed a relationship between individual popularity and their sleep patterns. Adolescent sleep behavior can be better ...

Having trouble getting enough rest? A new scientific review suggests there might be a link between eating fermented foods and getting better sleep. A number of human and animal studies have discovered ...