But your white noise could soon be replaced with another unusual sound - frying chicken. Sleep wellness company, Hatch, has joined forces with KFC to release a new 'Kentucky Fried Chicken Rain' track.

Choose from the soothing sound options of white noise, brook, thunder, summer night, ocean and rain. You can plug the Sound Spa into a wall outlet or use batteries to take it on your travels ...

which is white noise with the higher frequencies somewhat muted. If you've ever peacefully fallen asleep to the sound of steady rain, you've enjoyed pink noise. Brown noise is another popular ...

Pink noise creates softer sounds similar to gentle rain. A 2017 study in Frontiers in Human Neuroscience ... Dr. Raj Dasgupta ...

Pink noise, like ocean waves or steady rain without thunder and wind, is softer in high-frequency tones and stronger in low-frequency tones than white noise. According to The Sleep Foundation ...

WHITE NOISE This contains all frequencies in equal measure that sound like a heavy waterfall or high fan to help get a nice, solid sleep. PINK NOISE Pink noise, like ocean waves or steady rain ...