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 ...
There are eight sounds to choose from which allows you to experiment and find which one works best: Waves, birdsong, rain, car journey, spaceship, white noise, pink noise and brown noise.
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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.