Can Pink Noise Help You Sleep?

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By Dr. Mercola

By Dr. Mercola

You probably don’t think of noise in terms of colors, but there is a rainbow of noise out there — from the familiar white noise that occurs when a TV turns to static to the higher-pitched blue noise, which sounds similar to a hissing spray of water.1

Somewhere in the middle is pink noise, gentle sound similar to that of rushing water or wind blowing through leaves on a tree.

Pink noise contains frequencies from 20 hertz to 20,000 hertz, just like white noise, but the lower frequencies are louder and more powerful than the higher frequencies (white …read more

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