
The truth about white (and pink and brown) noise for sleep
CNN
Sleep noise machines are everywhere, lulling us off to dreamland with peaceful white, pink and brown sounds. But what does the science say about how they work?
Whatever your pleasure, know this: While continuously listening to low decibel calming sounds at night doesn't appear to be harmful, there also isn't much science behind how, why -- or even if -- sound machines help sleep.More Related News

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