Sleep is the time that you repair your body and produce hormones - so it does make sense,
PARIS (AFP) -
An extra hour between the sheets at night might be the key to shedding excess weight and fighting obesity, according to recent research.
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Two key hormones produced at night which help regulate appetite were at play, she said.
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Grehlin makes people hungry, slows metabolism and decreases the body’s ability to burn body fat, and leptin, a protein hormone produced by fatty tissue, regulates fat storage.
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“We have shown that less sleep (two four-hour nights) caused an 18 percent loss of appetite-cutting leptin and a 28 percent increase of appetite-causing grehlin,” she said.
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Such hormonal changes made people hungry for foods heavy in fats and sugars such as chips, biscuits, cakes and peanuts, she added.
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The sleep loss caused a 23 to 24 percent increase in hunger, Spiegel said, translating into an extra 350 to 500 kilocalories a day, “which for a young sedentary adult of normal weight could lead to a major amount of added weight.”
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