Will Not Getting Enough Sleep Make You Fat?

I think we’ve all probably heard this idea before: if you don’t get enough sleep you’re going to gain a lot of weight. Well, as with most things that you hear out there, I think it’s a good idea to check it out before accepting is as a scientific fact!

Well, leave it to Tom Venuto to tackle this topic and clear up some of the confusion. What he mentions is that there does seem to be a correlation between poor sleep and weight gain. But the real question is why does it happen?

Here is one of the basic explanations from his blog post:

Almost all the research on this subject has been cross sectional and therefore does not prove causality. Research suggests that the likely explanation is a disruption in hormones which can affect appetite and food intake so you are more likely to eat more when you are sleep deprived.

So it’s not necessarily the sleep that makes you fat, it’s what your body does to compensate for the lack of sleep that can help you develop certain habits. It seems like there are so many things in life that can have similar effects, so what it really seems to come down to is setting yourself up in the best environment that you can for success.

Tom’s post is well worth reading. You can get it here: Sleep Deprivation and Fat Gain

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rss 25 comments
  1. December 13th, 2007 | 8:27 am

    Hi,

    Those comments cannot be further from the truth
    I myself before gain so much weight when I was regularly
    working midnight shift. and I cannot sleep very well-
    It’s like 2 to 3 hours a day and that won’t cut it!!!
    Right?

    nice thread…

    Thanks,
    Norry

  2. Sam
    December 14th, 2007 | 3:47 am

    Well, seems logical: if you sleep the whole day, you cannot eat during that time - ergo, the less you sleep the more you probably eat to make use of the time… ;)

  3. December 27th, 2007 | 10:44 am

    I’ve heard this before … which is worrisome, since I’m not getting quite enough sleep lately.

    Sam - I’ve heard there’s a correlation between night eating and lack of sleep. Maybe just to fill the time like you suggest, although the article I read pointed more toward depression like issues, and food hitting the pleasure center in the brain.

  4. January 9th, 2008 | 12:57 pm

    Thanks for the article. It perfectly makes sense. After all, sleeping is another critical factor for health.

  5. January 17th, 2008 | 6:18 pm

    Lack of sleep will certainly take it’s toll no matter what your goals! My advice to everyone is to make sure you get a minimum of 7 hours. Any less may cause harm in the long term.

    Thanks for the article!

  6. February 20th, 2008 | 1:46 am

    Actually I have been suffering from menopause and unable to sleep .After reading this post I suspect that I may gain weight.

  7. c
    September 15th, 2008 | 2:39 am

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  8. October 26th, 2008 | 11:23 pm

    well it also depends on when you eat before you sleep. if you eat a lot right before you go to bed your going to store a lot more fat then you would have if you did not.

  9. April 17th, 2009 | 5:46 am

    Sleep is essential to health and longevity. Stress contributes to lack of sleep which causes the body to produce cortisol which in turn produces elly fat.

  10. May 19th, 2009 | 7:38 pm

    Lack of sleep will mess with your mind which in some ways can indirectly influence how you manage your body.

  11. November 15th, 2010 | 10:23 am

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  12. December 2nd, 2010 | 12:32 am

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  13. December 5th, 2010 | 7:51 am

    I’ve never understood why some people would actually believe that getting less sleep makes you fat. In fact, you burn more calories when you’re awake. These people that gain weight while being sleep deprived, just consume more food & drink; simple as that.

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  15. December 20th, 2010 | 1:04 pm

    Not getting enough sleep can certainly at the very least make you tired and lethargic. This of course makes you less likely to feel energized enough to want to workout. So, I guess that means in a way it does contribute to making someone fat.

  16. December 24th, 2010 | 12:17 pm

    It can make you unmotivated to get up and move because you are groggy and I guess that can translate into some extra pounds finding you.

  17. April 7th, 2011 | 11:08 am

    I think that if you don’t get enough sleep at night your body will not release enough HGH and so the fat loss process is interrupted. So I feel that it is lack of sleep that inhibits the fat loss process and doesn’t have anything to do with weight gain directly…

  18. May 3rd, 2011 | 12:44 pm

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  19. May 29th, 2011 | 8:57 pm

    Your article write very well.

  20. Lex
    June 9th, 2011 | 7:13 am

    I had not heard of this theory before. I’m surprised… I don’t know, I honestly think there are bigger factors in weight loss… what you eat, and what you do while you are awake.

  21. July 7th, 2011 | 8:36 pm

    This articles helps me more.Thanks for your sharing,I will pay more attentions to your blog. Looking forward to your better and better

    articles.See you next time.

  22. July 20th, 2011 | 12:05 am

    I admit, I have not been on this website in a long time, however it was joy to find it again. It is such an important topic and ignored by so many, even professionals! I cheers for helping to make people more aware of these issues. Just great stuff as per usual!Enjoy the remaining portion of the year. Your conducting a fabulous job.

  23. October 15th, 2011 | 11:07 am

    Great post really. I think that you´re absolutely right Sleeping makes huge difference and it´s very inportant when you´re losing weight.

  24. December 9th, 2011 | 6:02 pm

    you can burn calories while you sleep or lack of when we sleep or not as in your case we shift around in bed trying to get in the best comfortable position and this movement can burn calories surprisingly also an overactive mind can do the same maybe your diet is contributing to your sleepless nights low carb diets and low calorie diets may not be providing the vitamins you need the calorie shift diet works by speeding up your bodies metabolism promoting faster weight loss on average 9lbs or more every 11 days by eating certain types of foods that contain all the vitamins and proteins your body needs it is also the natural way to lose weight without any hardship or side affects
    the calorie shift diet

  25. January 25th, 2012 | 9:12 am

    All I know is it can create an imbalance with your routine by decreasing energy and making you very tired (not from the onset, but much later in the day). One of the things people should try and readjust is what time they eat their last meal. I’d recommend people make sure they eat at least 2 hours prior to going to bed. This way, their body has enough time to properly digest it and not have extra calories sitting idle in your stomach while you sleep.

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