Thanks to autoplay, the media usually plays until you wake up and shut it off manually, but YouTube’s sleep timer changes ...

To induce sleep (a delta brainwave of 5 hertz), a person may need to devote at least 45 minutes, in a relaxed position, listening to calming music. Researchers at Stanford University have said that ...

Wondering what kind of sound to play to get the best night's sleep? Here's the difference between white and brown noise.