We already knew that sleep boosts our memory, but a new study found that there’s even more to it: sleep sharpens memories overnight. According to researchers at the British University of Exeter, sleep doubles chances of remembering previously forgotten information. The researchers asked a group of study participants to remember some made-up words. After this, half of them got a good night of sleep, while the other half stayed awake. The sleep-group was much better able to recall the words. Amongst other purposes, this knowledge is useful for everyone studying for a test, or preparing for an important presentation. The decision between studying and preparing during the night or getting enough sleep, should be an easy one.
Sleep almost doubles chances to remember something you’ve forgotten
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