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From Popular Science:
On its face, flipping on white noise before hitting the sack must be the most counterintuitive idea out there. Want to sleep better? Simple solution: make a bunch of noise. Sweet dreams ahoy.
And yet, not only do some people swear they can't get to sleep without a fan running, there are even companies that will sell you optimized noise-makers for helping you get the best of your bed rest. What is up with our brains and our ears?
The short answer: white noise is better noise. At least for (some) sleepers.
Read the whole article
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