White noise, brown noise, pink noise — what is the difference and do they actually help you sleep? Here's how noise impacts sleep and how to get more rest. IE 11 is not supported.

This is because, while pink noise fades into the background, the higher frequencies of white noise can keep the brain alert. Great for concentration, not so good for sleep. (Image credit: Getty ...

What about other colors of noise? White, brown, and pink noise are the colors of noise that are most commonly known and studied. But people have created other colors of noise, although there is ...