Benefits of Power Naps

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Benefits of Power Naps

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A power nap is definitely not a three-hour siesta to shorten the time between lunch and dinner. Nor is it necessarily even an hour long. By power napping, we refer to a short 20- to 30-minute midday sleep session. it doesn’t seem like much at first glance, but  after reading about the benefits of power naps below, you’ll become a believer.

 

Top 7 Benefits of Power Naps

  1. Boosts Productivity and Alertness

A short nap of around 30 minutes has been shown to improve alertness, productivity, and even reaction times in all kinds of activities. Naps are so good for the brain and body, in fact, that even NASA has taken notice. One study followed pilots who were allowed to nap for 25 minutes each day, discovering that just this tiny amount of time resulted in better performance and alertness. Another study found that planned naps in the workplace improved the alertness and performance of emergency department physicians and nurses. Researchers followed 49 physicians and nurses working three consecutive night shifts in their department, and instructed them to nap for 40 minutes at 3 a.m.

Most participants slept for 25 minutes (there’s that magic power nap number) then underwent motor skills testing at 7:30 a.m.The researchers discovered the group that napped had fewer performance lapses, less fatigue, less sleepiness, and were able to insert IVs more quickly . It sounds like everyone could use a 20- to 30-minute on-the-job nap, but most especially ER staff, pilots, and other professionals who hold lives in their hands.

  1. Improves Memory and Learning

Power naps have also been studied extensively for their ability to improve memory and learning capacity. Researchers have discovered that, regardless of your age, power naps as short as 6 to 10 minutes can give you a boost of alertness, promote wakefulness, and enhance learning ability. On the other hand, napping for longer than 30 minutes has been associated with increased mortality. So take that for what it’s worth and set a timer .Meanwhile, if it’s creativity you’re after, napping might be your right brain’s best friend. A study conducted at Georgetown University’s Center for Functional and Molecular Imaging found that while we rest, the right hemisphere (which is involved in creative tasks) is actually very busy chattering away to itself. Researchers theorize this might be the reason for napping’s ability to enhance creativity and learning, but so far this is still just speculation.

 

  1. Improves Heart Health

If there was a way to reduce your blood pressure and rely less on prescriptions for your heart, would you do it? It turns out you could just by taking daily naps.Research conducted by cardiologists found that midday sleepers experienced decreased blood pressure and less damage from high blood pressure in their arteries and heart. Interestingly, another study also found that just the expectation of having an afternoon nap lowered blood pressure.

  1. Prevents Cell Damage

We often don’t take into account the type of damage that occurs when we become sleep deprived. Not only do we lose focus and become agitated, our body is also affected all the way down to the cellular level. Researchers have discovered that lack of sleep actually damages cells – and is particularly harsh on cells in the liver, lungs, and small intestine. Of course, this type of cell damage results in an increase of risk for developing disease. Luckily, the researchers noted that recovery sleep after sleep deprivation heals the damage.

  1. Boosts Testosterone

The following is sort of a reverse finding, with researchers discovering that lack of sleep results in a marked reduction in testosterone and growth hormone. On the other hand, testosterone levels steadily rise in correlation with the amount of sleep you get. Take this study that found that men who slept for four hours had roughly 60 percent less serum testosterone than men who slept for eight hours. This is also a really important point if you’re looking to burn fat and build muscle, since testosterone plays a giant role in both circumstances.

  1. Relieves Stress and Boosts Immune System

Aside from being able to reduce blood pressure, as we learned above, napping has also been shown to reduce stress markers and boost the immune system. According to a study conducted by the Journal of Clinical Endocrinology & Metabolism, napping can reverse the hormonal impact of a night of poor sleep. This includes restoring biomarkers of neuroendocrine and immune health to normal levels in as little as 30 minutes. One reason this may be happening is due to norepinephrine levels. Norepinephrine is a hormone and neurotransmitter that plays a role in our “fight-or-flight” response, and is higher in stressful situations. In the study, norepinephrine increased 2.5-fold in participants who had gotten limited sleep. Participants who had napped, however, showed no change in their norepinephrine levels, even with limited sleep.

  1. Elevates Mood

Of course, almost everyone loves a good nap. But now, science is backing up this feel-good effect of naps, showing that regular napping actually improves mental and cognitive health. In the elderly, napping may also reduce frustration and confusion, since napping has the power to increase coordination and reaction time in adults.

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