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9 Reasons to Nap More Often

Health
9 Reasons to Nap More Often

“You must sleep some time between lunch and dinner, and no halfway measures.” – Winston Churchill

Winston Churchill. Margaret Thatcher. Bill Clinton. What do all of these individuals have in common? Yes, they were all heads of state and leaders of their respective countries. They are also known for taking a mid-day snooze. Thatcher told her aides not to bother her between 2:30 and 3:30 pm each day so she could siesta, while Clinton did the same at 3 pm.

Napping isn’t just for political dignitaries, however. The benefits of taking a nap are well-documented: better performance, improved mood, enriched creativity, and a myriad of health benefits. For these reasons, the previous stigma about naps being a form of laziness has long since faded away. (To the best of our knowledge, Presidents and Prime Ministers are not exactly known for laziness).

Here are 9 proven reasons to nap more.

1. Taking a nap reduces fatigue

According to WebMD, Americans (and many others) are chronically sleep deprived. Dr. William Anthony, author of the book The Art of Napping at Work and clinical psychologist/director at Boston University’s Center for Psychological Rehabilitation, states that naps are the result of the numerous demands placed on people.

Anthony cites long work hours, early-morning commutes, and many responsibilities at home as being the main reasons why many people require daytime naps. He goes onto further state that napping is extremely effective for counteracting fatigue.

2. Taking a nap improves mood

A study done at the Department of Behavioral Sciences at Hiroshima University in Japan was undertaken to determine the effects that a short, 20-minute nap has on overall mood.

The study involved seven young adults with normal sleeping habits who did not nap on a regular basis. The youngsters were placed under conditions which involved measured periods of napping and non-napping. An Electroencephalography (EEG) device was used to measure brainwave activity and self-ratings of mood (among other measurements) were taken by the seven adults.

The study found that the short nap resulted in better overall mood, increased self-confidence, and increased alertness.

3. Taking a nap improves memory

It’s already proven that sleep is vital to storing information learned throughout the day. In addition to regular sleep cycles, researchers wanted to find out how napping can improve overall memory.

Dr. Matthew Walker, professor of psychology and neuroscience at University of California, Berkeley and his team recruited 44 volunteers – 27 women and 17 men – to conduct a napping experiment. The group were then instructed to memorize and match 100 names and faces and tested for how well they performed.

Half of the participants than took a nap for approximately 90 minutes, while the other half remained awake and carried on as usual. At the end of the nap, both groups were given another set of 100 faces and names. The different in performance was significant – the napping group performed about 20% better than those who stayed awake on the same test.

4. Napping prevents burnout

“Burnout” – irritation, poor performance, and frustration – is a common occurrence among the overworked (pretty much everyone). This happens because the brain is overloaded with stimuli (information) when doing anything that requires cognitive effort for a period of time. This burnout effect intensifies as the day unfolds.

A study done in the journal Nature Neuroscience had participants perform a visually-oriented task: stating either the vertical or horizontal (up or across, respectively) positioning of three bars on a computer screen. To make the test more cognitively demanding, the graphic bars were set on a background of horizontal bars in the lower left corner of the screen.

In a series of four test periods, the results worsened for each test period – the 2nd was worse than the 1st period, the 3rd worse than the 2nd, etc. When the participants were allowed a 30-minute nap, the scores stopped lowering. A 1-hour nap improved the performance results back to those similar to the beginning period.

The bottom line: consider taking a nap when experiencing burnout to improve performance.

5. Napping improves performance

Study after study continues to demonstrate the powerful effects that napping can have on cognitive performance. This is due to the fact that naps enhance the processing of information.

A study done at The National Aeronautics and Space Administration (NASA) found that pilots who were allowed to take a short nap (40-45 minutes) improved their flight performance by 34% and their alertness by 100%. This improved performance and alertness likely applies to any field of work, whether or not you happen to pilot a space shuttle.

6. Napping heightens creativity

The journal Sleep published a study showing that napping can increase creative thinking. There is one caveat to this study – the nap must be at least 60 to 90 minutes in duration. This is because demanding cognitive processes such as creative thinking require cycling through all five stages of sleep. For this reason, it is best to take this lengthy snooze sometime during the early afternoon or at an hour that will not interfere with your nighttime sleep.

7. Napping improves heart health

In a 2007 study done at Harvard University’s School of Public Health, it was discovered that regular napping can reduce the rate of death from heart disease by upwards of 37%. This statistic is comparable to the cardiovascular benefits of other activities – healthy dieting, lowering cholesterol intake, and exercise.

Here’s what Dr. Dimitrios Trichopoulos, the study’s head researcher had to say: “If confirmed by other investigations, these results would imply that a siesta could be added to the several means available for the control of coronary heart mortality…the magnitude of the effect appears to be considerable.”

8. Taking a nap regulates weight

Not getting enough sleep also has negative effects on your waistline. While you may not many calories sleeping, the positive benefits are well documented.

In a study conducted in 2010 of 35,000 Japanese adults, those who slept five to six hours a day were twice as likely to become overweight than those who slept seven to nine hours. In a similar study at Columbia University, those who got five to seven hours of sleep were 50% more likely to become obese than those who slept seven to nine hours.

Researchers believe that this weight disparity from not getting enough sleep is a direct result of the decrease in the hormone leptin – which makes you feel full – while increasing the hormone ghrelin, which makes you feel hungry.

Provided that napping does not interfere with nighttime sleep, it is a great way to get in the seven to nine hours that is recommended by the National Sleep Foundation (NSF).

9. Taking a nap promotes restoration (all the above)

It can be argued that all of the above benefits of napping results from decompression. Your brain is wired to continually take in and analyze information. This continuous processing of external stimuli has a direct effect on the functioning of your body. This effect must be counteracted with the mechanism of sleep for the sake of relaxing and restoring your mental and physical capabilities.

 

The important takeaway from this article is not to neglect the importance of sleep. Yes, you are overworked and time is a luxury that you may not have. However, you’ll find that by making time to sleep (napping included) that you are better equipped to handle any situation.

 

 

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