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Dr. Michael J. Breus

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The Link Between Sleep and Weight Loss

Posted: 05/24/10 10:28 AM ET

The New York Times likes to shoot down health claims when a rumor goes around touting the miraculous benefits of this or that. But this time, the Times can't hold back from boosting the claim about a lack of sleep increasing weight. The research just speaks too loudly.

I've blogged about the link between sleep and waist size numerous times before (I also talk about this in depth in my book, Beauty Sleep). We've known for years now that sleep and weight maintenance go hand in hand. If you don't get your Zs, you won't see your efforts to lose weight work to your advantage. Many studies have pointed to the imbalance in appetite hormones, namely leptin and ghrelin, that accompany sleep deprivation and which sabotages weight loss.

A study published in 2005, for instance, looked at 8,000 adults over several years as part of the National Health and Nutrition Examination Survey. Sleeping fewer than seven hours a night corresponded with a greater risk of weight gain and obesity, and the risk increased for every hour of lost sleep.

And now we have even more evidence of this profound connection:

  • Just this year, the American Journal of Clinical Nutrition took a small group of men and measured their food intake across two 48-hour periods, one in which they slept eight hours and another in which they slept only four.
  • After the night of shorter sleep, the men consumed more than 500 extra calories (roughly 22 percent more) than they did after eight hours of sleep. Note: 500 more calories a day equals 1 pound of fat in just a week.
  • A University of Chicago study last year had similar findings in both men and women: subjects took in significantly more calories from snacks and carbohydrates after five and a half hours of sleep than after eight and a half hours.

How many hours are you getting? How many times have you tried to lose a few pounds? How many health conditions to you suffer from? Sleep deprivation is not just about fat and weight, it's also about general sleep health.

An Australian study reported that obese individuals (a group of over 300 patients who received a surgical procedure to help weight loss) not only showed significant sleep problems, but also showed a reduction of these problems with weight loss:

   1. Habitual Snoring (82 percent) reduced to 14 percent

   2. Observed sleep apnea (33 percent) reduced to two percent

   3. Abnormal daytime sleepiness (39 percent) reduced to four percent

   4. Poor sleep quality (39 percent) reduced to two percent

Need I say more? Sleep more. Weigh less.

Sweet Dreams,

Michael J. Breus, PhD
The Sleep Doctorâ„¢
www.thesleepdoctor.com

This post on sleep and weight gain is also available at Dr. Breus's official blog, The Insomnia Blog: by Sleep Doctor Michael Breus, PhD.

 
 
 

Follow Dr. Michael J. Breus on Twitter: www.twitter.com/thesleepdoctor

The New York Times likes to shoot down health claims when a rumor goes around touting the miraculous benefits of this or that. But this time, the Times can't hold back from boosting the claim about a ...
The New York Times likes to shoot down health claims when a rumor goes around touting the miraculous benefits of this or that. But this time, the Times can't hold back from boosting the claim about a ...
 
 
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06:06 AM on 05/26/2010
All Bush did was sleep on the job, so by this account he should have weighed close to zero by the end of eight years
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suzjazz
jazz pianist, composer, professor, author
11:49 PM on 05/24/2010
This is one reason why the solution to the U.S. obesity problem is so complicated and elusive.
People can't sleep because they work two jobs just to stay afloat, because they worry about money, health, their children, and other things, because they have no time to do everything they need to do in 24 hours even when they are multitasking like crazy. Then they are too tired to exercise (they have no time for it anyway) too tired to cook, so they eat unhealthy restaurant and takeout food, and before you know it, they are packing on the pounds. They overeat for comfort because they are so stressed out. It is our lifestyle that is making us fat, and we should all examine it carefully and get the people with the highest IQs to figure out how we can drop out of this rat race that is killing us.
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momofvegasgirls
My bio is not for sale !
05:48 PM on 05/24/2010
Ha, they didn't need do do a case study to figure this out. Ask any mother that has a newborn or young child(ren) that wake frequently during the night how their weight is. I'd bet a guess that most have either gained a few pounds during their child's sleepless periods or have not been able to shake the last few pounds off!

Um, and this comes from first hand experience, lol!
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Ljilja
http://graciouslivingdaybyday.com/
02:28 PM on 05/24/2010
Sleep is something that (like time) is very scarce in our society. Sleeping helps us with a lot more than weigh loss. It helps with overall well being. I especially worry about the younger generation. For them, sleep seems to be an unpleasant necessity.

http://graciouslivingdaybyday.com/
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GlassMask
Comedian/Curmudgeon
01:46 PM on 05/24/2010
Well, as a fat guy who doesn't sleep much, I really can't argue. But I will say that not everyone needs seven hours a night, or the formerly-popular eight. Maybe I'll try to get more than five for a while and see how that works out...
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brooklyncitizen
Soror quaerens lucem
02:13 PM on 05/24/2010
the healthy range is 6 to 8; if it is less than 6 there is trouble; if it is more than 8 it cuts down on longevity, more trouble.
6-8
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GlassMask
Comedian/Curmudgeon
03:29 PM on 05/24/2010
Yeah, I know I need more sleep, but there's just so much cool stuff to read/watch/do... I hate lying awake when I'm not tired, so I don't settle down until my body makes me. I'll try to wind down a bit earlier...
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Willow712
democratic socialst
01:37 PM on 05/24/2010
Good post. I have narcolepsy. I have had it probably most of my life (no, I do not fall asleep into my soup, lol). four years ago, I started taking Xyrem at bedtime and then four hours later, to help me sleep normally at night. I lost 75 pounds iin the next three years. I never had any apnea but I had narcolepsy and alpha wave intrusion, in that I woke up 16 times an hour, all night long. No wonder I was exhausted!

As soon as one begins to sleep normally, your body makes more HGH, which helps in many ways. At first, your body is in some kind of shock, getting hormones and chemicals to work right. I would eat donuts, big meals, etc. and lose weight. My poor daughter had to struggle like everybody else, dieting, walking, etc. to lose half of what I lost.

I am a huge believer in sleep making your life better, more normal and helping to rid your body of a glycogen storage problem due to lack of sleep.
12:03 PM on 05/24/2010
This is good info. But with sleep apnea prevalent among the obese, it's even harder to get a good restful sleep. Sleep more, weigh less; weigh less, sleep more.