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 ...

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.

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 ...