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Article Title:
Sleep Deprivation And Weight Gain

Article Description:
Did you know that lack of sleep can cause weight gain? Neither 
did I. I wish I had found this out a bit sooner, like before I 
got fat, or at least before I started my current weight loss 

Additional Article Information:
457 Words; formatted to 65 Characters per Line
Distribution Date and Time: Fri Jan 27 03:40:08 EST 2006

Written By:     Liz Wiseman
Copyright:      2006
Contact Email:  mailto:[EMAIL PROTECTED]

Article URL:

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Sleep Deprivation And Weight Gain
Copyright © 2006 Liz Wiseman
Trim You

Did you know that lack of sleep can cause weight gain? Neither 
did I. I wish I had found this out a bit sooner, like before I 
got fat, or at least before I started my current weight loss 
program.  In fact I thought it might be slimming to stay up late-
after all you are using more calories when you  up and about than 
when you are lying slumbering in bed aren't you? But recent 
studies indicate that lack of sleep can indeed add to your fat 

So how on earth can sleeplessness cause weight gain?  Eve Van 
Cauter, director of  the Sleep Research Laboratory at the 
University of Chicago School of Medicine, and the lead 
investigator on one of the new studies says that sleep 
deprivation activates a small part of the hypothalamus, the 
region of the brain that also is involved in appetite regulation.

The hormones leptin and ghrelin regulate appetite and work rather 
like a seesaw. Leptin at one end and ghrelin at the other. When 
leptin is up and ghrelin is down we feel full, and vice versa.

In a long term epidemiological study researchers at the 
University of Wisconsin and Stanford University tracked 1,024 
people ages 30 to 60. The subjects had sleep and blood tests 
every four years and kept a record of their sleeping habits. It 
was found that those who regularly slept for 5 hours a night had 
higher ghrelin and lower leptin levels and a higher BMI.

Other recent studies show the same connection, including one from 
Columbia University in New York. They studied data on over 6000 
people to compare sleep patterns and obesity. They found that 
those who slept two to four hours a night were 73% more likely to 
be obese than those who slept 7 to 9 hours a night. Those who 
slept five to seven hours were 50% more likely to be obese, and 
those who slept six hours were 23% more likely to be obese. In 
contrast those who got 10 or more hours of sleep were 11% less 
likely to be obese.

It seems that sleep deprived people feel hungrier (leptin is low) 
and because they are awake for longer they have more time to eat. 
Not only that but sleep deprived people are stressed and need a 
pick me up. Their pick me up of choice is- yes high calorie fatty 
or sugary snacks-real comfort foods. To add to all this night 
owls are not spending their extra hours on the treadmill. No, 
they are sitting around watching TV or reading.

More studies are now being conducted to discover whether an 
increase in sleep time would help people to lose weight.

In the meantime I'm  off to bed!

Liz Wiseman is a writer and webmaster of "Trim You" a site 
that provides free reviews of weight loss programs, as well 
as articles and information about losing weight. You can 
find further news about losing weight at



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