Naps May Improve Performance Later In The Day : NPR - 0 views
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"In the study, researchers took two groups of healthy young adults. Each group completed two learning sessions. The difference was that between the first and second sessions, one group got to take a 90-minute nap. The group that got the nap improved in their ability to learn by 10 percent, while the non-napping group did 10 percent worse."
