Why animals sleep has long puzzled scientists, although many studies suggest benefits to brain function, memory and learning. But linkurl:research;http://www.cell.com ...

Like other fish, betta fish do "sleep." But fish do not sleep in the same way mammals do. Fish rest by slowing down their ...

Sleep is a rampant behavior in the animal world. It is usually characterized by immobility and poor response. Despite the fragility inherent in sleep, the persistence of evolutionary time suggests ...

One of the functions of sleep may be to repair DNA damage that has built up in the brain during waking hours, according to a study published yesterday (March 5) in Nature Communications. By using time ...

Good sources of protein include lean meats, fish, eggs, nuts, beans, milk and tofu. Increasing protein intake in place of other nutrients was associated with 16 minutes more sleep in the new study.