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Study: Lack of sleep increases weight

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Old
10-04-2015, 12:06 AM
  #1
LadyStanley
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Study: Lack of sleep increases weight

http://news.berkeley.edu/2015/10/01/late-bedtimes-bmi/

Quote:
Berkeley researchers analyzed longitudinal data from a nationally representative cohort of more than 3,300 youths and adults, and found that for every hour of sleep they lost, they gained 2.1 points on the BMI index. This gain occurred roughly over a five-year period.

Moreover, exercise, screen time and the number of hours they slept did not mitigate this BMI increase, according to the study published in the October issue of the journal Sleep.
...
The Berkeley study analyzed data from the National Longitudinal Study of Adolescent Health, which has tracked the influences and behaviors of U.S. teenagers since 1994. Focusing on three time periods the onset of puberty, the college-age years and young adulthood researchers compared the bedtimes and BMI of teenagers from 1994 to 2009.

Adolescents in the study reported their bedtimes and sleep hours while researchers calculated their BMI based on their height and weight.

Surveys show that many teenagers do not get the recommended nine hours sleep a night, and report having trouble staying awake at school. The human circadian rhythm, which regulates physiological and metabolic functions, typically shifts to a later sleep cycle at the onset of puberty.
Hmm.

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10-04-2015, 01:51 AM
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JetsAlternate
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A lack of sleep allegedly results in a slower metabolism. I quite firmly believe that this is true. That is one factor to consider.



The other, more obvious factor is that when a person is sleepy they need more energy to stay awake; thus, they eat more to compensate for their fatigue. I know that when I'm working long hours and haven't had much sleep, I tend to eat more to get through the evening. Sometimes I'll want an evening snack if I'm working on a project that requires all-night participation. People who sleep more, as well, might sleep through breakfast, and so instead of eating three meals a day will eat two meals.


Getting enough sleep is a fundamental part of weight maintenance. If you don't get enough sleep, you're more likely to gain weight.


Last edited by JetsAlternate: 10-04-2015 at 01:56 AM.
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10-04-2015, 10:12 AM
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FLYLine27
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I thought this was kinda known thing? Lack of sleep or too much sleep is not good.

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10-07-2015, 08:09 AM
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Doland
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Is there a study linking this to body fat % rather than simply relying on BMI?

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10-07-2015, 12:47 PM
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DuckJet
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It all makes sense now

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10-08-2015, 12:34 PM
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McSorleyStick
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I dont sleep enough and I haven't gained weight

CQFD

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Old
10-13-2015, 02:02 PM
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Scandale du Jour
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Quote:
Originally Posted by McSorleyStick View Post
I dont sleep enough and I haven't gained weight

CQFD
Have you ever seen a fat Algerian?

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Old
10-20-2015, 11:34 AM
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McSorleyStick
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Quote:
Originally Posted by JordanStaal#1Fan View Post
Have you ever seen a fat Algerian?
Believe it or not, but yes

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