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Put away the sleeping pills because all you may need to get better sleep are earplugs! Researchers at Harvard University recently found the key difference between sound sleepers and light sleepers is this: The brains of light sleepers stay more alert… which causes them to wake up at the slightest sound – from a dripping faucet, to the neighbors arguing next door, to the dog’s snoring. But light sleepers who are able to block out noise with earplugs are much more likely to sleep soundly.

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