If You Think Cat Naps Are the Answer to Short Nighttime Sleeps, Brits Say Naps Not Good Type 2

Naps often disrupt nighttime sleep by decreasing the number of hours a person sleeps, thereby leading to impaired glucose tolerance.

Mar 25, 2009

If you fancy cat naps and think that they might be a handy way to circumvent the ill effects of too little sleep at night (see Sleeping Less Than 6 Hours a Night? Your Risk of Developing a Type 2 Precursor Is Nearly 5x Higher), think again: A British study of the napping habits of more than 16,000 people in China has concluded that taking a nap even once a week can increase your risk of developing type 2 diabetes by 26 percent over people who never take naps.

Scientists at the University of Birmingham in the UK, who reported their findings at the recent Diabetes UK's Annual Professional Conference in Glasgow, Scotland, said several factors might be responsible for the contribution of naps to diabetes risk:

  • People who take naps tend to get less exercise than non-nap takers. Regular exercise is a medically proven diabetes preventive.
  • Naps often disrupt nighttime sleep by decreasing the number of hours a person sleeps, thereby leading to impaired glucose tolerance. 
  • Waking up from a nap temporarily impairs the body's ability to use insulin effectively.
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Categories: Diabetes, Diabetes, Exercise, Insulin, Nutrition Research, Sleep, Type 2 Issues


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Comments

Posted by volleyball on 2 April 2009

I think studies like these are great. at raising my BP. The less knowledgeable among us will think naps are bad. Maybe if you already sleep 9 hours a day, they could indicate you have a problem.
If the nap takers in the study were falling into a food gluttony driven nap with excess carbs, I could see it. The old carb rush, first you soar and then you crash.

Posted by Anonymous on 3 April 2009

Maybe they already have the type II precurser to diabetes and it makes them tired so they take a nap.
Which comes first, the chicken or the egg?
I prefer to think if you are tired then take a nap. Works for me.

Posted by ndocroth on 3 April 2009

It is called putting the cart before the horse...
Napping habits do not up the risk of pre-diabetes. It is the other way around: A person with unstable blood sugar--usually due to carbohydrate overloading--experiences a need for napping.
Yes, napping should alert us to the presence of pre-diabetes or diabetes. It is a result, however, not a cause!

Posted by mick2101 on 3 April 2009

Definitely counter-intuitive, I feel refreshed after a cat-nap and even Einstein used to extol its virtues, even devising a cunning mechanism to wake himself up. I will definitely have to change my habits though based on this report.

http://www.lifeevolver.com/whats-wrong-nap/

http://www.physics.ohio-state.edu/~wilkins/writing/Resources/essays/nap_refreshs.html

Posted by Anonymous on 3 April 2009

BULL PUCKEY

Posted by Anonymous on 4 April 2009

I sleep longer at night if I have a short nap, but not a long nap.

The total relaxation required in order to fall asleep can only be beneficial to the body, just as meditation is, but going into a deep sleep is not a good daytime idea. A five minute nap is a whole lot different from a 30 minute sleep.

Posted by Anonymous on 4 April 2009

I didn't start napping until after I was diagnosed with type 2 diabetes. My nighttime sleeps have never been good since my army service.


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