Improve Your Memory With a 'Sound' Sleep

If you're not willing to send electrical shocks through your brain – "mild" as they might be – to become smarter, here's a much gentler option: play sounds while you sleep.

Researchers have found that "carefully timed" sounds, like the rise and fall of waves washing against the shore, can help people remember things that they learned the previous day.

I predict sales of white noise machines to increase in the near future.

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