Naps Boost Memory, but Only if You Dream

New research indicates that a nap may boost your ability to process and store information by a factor of ten -- but only if you dream while you're asleep.

Researchers asked close to college students to memorize a complex maze. Those who got a nap did better than those who stayed awake.  However, people who both napped and dreamed about the maze performed 10 times better than the nappers who did not report such dreams.

CNN notes that:

“It doesn't even need to be a deep sleep ... Although the deep slumber known as rapid eye movement (REM) is most closely associated with dreaming, the students' dreaming and learning occurred after as little as one minute of non-REM sleep.”

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