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Study: Midday Naps Can Boost Brain Function

Leonardo da Vinci took them, as did Napoleon Bonaparte, Johannes Brahms and Winston Churchill. You probably could use one right now.

Midday naps have long been touted as a good thing, lowering blood pressure and driving down the risk of heart attack. And if you snooze long enough, researchers have now found, they also permit your memory banks to do their filing, leaving your brain cleared and ready to learn in the latter half of the day.

University of California at Berkeley psychology professor Matthew Walker and colleagues put 39 young adults through a demanding learning task and tested on it at noon. At 2 p.m., they divided the students into two groups and invited half of them to take a siesta for 90 minutes while asking the remainder to stay awake. At 6 p.m., both groups were returned to the day's learning task and tested again.

The siesta group went into the 6 p.m. task readier to learn and performed 10 percent better on the test than they had earlier. The no-nap group's performance declined by 10 percent, Walker reported.

While not all the nappers slept for the same length of time, those who had more Stage 2 non-REM sleep, a lighter form of sleep in which one does not dream, had the greatest performance enhancement.

The group presented its findings recently at the annual meeting of the American Association for the Advancement of Science in San Diego.

 

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Disclaimer: As a Health Coach, I will never attempt to diagnose, treat, make claims, prevent or cure any disease or condition. I advise my clients that Health Coaching is not intended to substitute for the advice, treatment and/or diagnosis of a qualified licensed health care professional.