It turns out that toddlers are not the only ones who do better after an afternoon nap.  New research has found that young adults who slept for 90 minutes after lunch raised their overall learning power, their memory apparently primed to absorb new facts.

Other studies have indicated that sleep helps consolidate memories after cramming, but the new study suggests that sleep can actually restore the ability to learn.

The findings, which have not yet been published, were presented Sunday at the annual meeting of the American Association for the Advancement of Science in San Diego.

“You need to sleep before learning, to prepare your brain, like a dry sponge, to absorb new information,” said the lead investigator, Matthew P. Walker, an assistant professor of psychology and neuroscience at the University of California, Berkeley.

The study recruited 39 healthy young adults and divided them into two groups.  All 39 were asked to learn 100 names and faces at noon, and then to learn a different set of names and faces at 6 p.m.  But 20 of the volunteers who slept for 90 minutes between the two overall learning sessions improved their scores by 10 percent on average after sleeping; the scores of those who didn’t nap actually dropped by 10 percent.

Set your Zen Alarm Clock in your office and take a little snooze so that you can prime your brain for the best overall learning experience.

adapted from The New York Times, February 2010 by Roni Caryn Rabin

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