Taking a 90-minute nap the day of a test or presentation sounds like a ludicrous luxury. But a recent study on the brain’s ability to recall facts found that napping at noon could mean a lot more brain power at 6 p.m.

Photo by perpetualplum.

Presenting at this year’s meeting of the American Association of the Advancement of Science (AAAS), University of California Berkeley researchers revealed the results of testing “39 healthy young adults” on recalling facts they had learned that same day.

At noon, all the participants were subjected to a rigorous learning task intended to tax the hippocampus, a region of the brain More >