Finding the right sleep noise can mean better sleep for years to come. Sleep and sound experts explain the benefits of different noise "colors," plus how to pick the right sound machine for you.

Other studies suggest white noise could help adults learn words and it could improve learning in environments full of ...

but a noise machine can generate a steady color noise that helps block out these unwanted sounds. White noise is the best known, and machines that make it have been on the market for decades.

Calm your anxious thoughts, relax your body and settle in for a better night of sleep with our editors' favorite sleep hacks ...

When Apple introduced the feature, there were six ambient sounds you could play on a loop: rain, stream, ocean, and bright, balanced and dark noise, which are different pitches of white noise.