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some interesting research on sleep

beaker

TRIBE Member
an article from the Ottawa Citizen... caffeine naps!

Introducing the caffeine nap

Penelope Trunk
featurewell

Saturday, March 11, 2006

The more I understand about nutrition, the better I eat. And I thought the same would hold true for sleep. In fact, though on my way to convincing myself to sleep more, I found mostly research to help me sleep less.

First, here is the research that will make you want to sleep: If you don't sleep, you're more likely to be obese and dumb, both of which are bad for your career. People who get fewer than six hours of sleep function like drunk people at work. For example, people who missed just one night of sleep scored 20 per cent lower on math tests than they did when they had eight hours of sleep. And, people who get significantly fewer than eight hours a night of sleep are more likely to be obese, according to a study at the University of British Columbia.

Here's some research I didn't expect to see:

Humans need only six or seven hours of sleep. In fact, if you get more than that, you are likely to die earlier, according to researchers from the University of California at San Diego.

And here's more good news for the chronic night-owl who suffers with a day job: If you miss out on sleep, you don't need to make it all up. Only about a third of this lost sleep needs to be regained. The people who spend all weekend in bed catching up don't need that much sleep. They just like lying around in bed.

You don't even have to wait for the weekend to make up the sleeping time: Power naps are in fashion. The power nap should be exactly 20 minutes, according to sleep researcher Sara Mednick, at the Salk Institute for Biological Studies. Your sleep cycles run in 90- or 120-minute cycles, but after 20 minutes, you've done the most important part of your sleeping.

I am an easy convert to the idea of a power nap, but I never seem to wake up at that magical 20-minute mark when researchers say that I won't be groggy. I am, in fact, routinely groggy after my supposed power nap. And that groggy feeling when you wake up is the equivalent of you after four beers, according to Kenneth Wright at the University of Colorado. So the power nap isn't for me.

But here's my favorite study, the one that really pulls everything together: The caffeine nap. This is a nap that allows me to compensate for not quite getting my seven hours of sleep a night, but I don't feel groggy after the nap.

Researchers at Loughborough University in England found that coffee can clear your body of the sleep-inducing chemical adenosine. The best way to handle the caffeine is to chug a cup of coffee and then immediately take a nap, before the caffeine kicks in and makes for jittery napping. The nap should last exactly 15 minutes, the point at which the caffeine starts to gain traction in your brain.

I did it, head on the table, next to the computer, when I was sure that I could not keep my eyes open another second: Fifteen minutes and boom! I was writing again with perk and verve. Of course, the caffeine nap won't save the world from having to sleep. For one thing, there's no research to show that caffeine nap can help you beat the correlation between lack of sleep and obesity. But I'll tell you, I'll never aim for eight hours of sleep again.
 

rubytuesday

TRIBE Member
Humans need only six or seven hours of sleep. In fact, if you get more than that, you are likely to die earlier, according to researchers from the University of California at San Diego.
:(
Researchers at Loughborough University in England found that coffee can clear your body of the sleep-inducing chemical adenosine. The best way to handle the caffeine is to chug a cup of coffee and then immediately take a nap, before the caffeine kicks in and makes for jittery napping. The nap should last exactly 15 minutes, the point at which the caffeine starts to gain traction in your brain.
I usually take a 20 minute nap and follow it with caffeine. Never thought of reversing it.
 
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Ditto Much

TRIBE Member
Researchers at Loughborough University in England found that coffee can clear your body of the sleep-inducing chemical adenosine. The best way to handle the caffeine is to chug a cup of coffee and then immediately take a nap, before the caffeine kicks in and makes for jittery napping. The nap should last exactly 15 minutes, the point at which the caffeine starts to gain traction in your brain.
I've used this technique for years and it really does work.
 
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