Ambience (sic) is a popular sleep sound app for Android. It features a clean, simple UI along with a variety of calming sounds. They include things like rain, waves, crickets, and even some music. It ...

Some animals utilize sleep not only as a resting mechanism but also for their very survival in the animal kingdom. Some reasons for their extra-long naps include food digestion, conserving energy, and ...

MARTIN: But a lot of us don't get good rest at night. Ellenbogen is trying to figure out why some of us can sleep through a jackhammer out the window, while others can wake up if they hear nothing ...

Group sleeping can impact when animals sleep, how long they sleep for, and how deeply they sleep. For example, groups of meerkats time their sleep according to 'sleep traditions'; olive baboons sleep ...