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Fly Bodies Blog: Blog2

How Sleep Affects What -- and How Much -- you eat | Sleeping with Science


An imbalance in two key appetite-regulating hormones called leptin and ghrelin could be a major cause of unwanted weight gain.


Leptin sends a signal of fullness to your brain, so that you feel satiated from eating food.


Grhelin sends a signal of hunger to your brain.


Levels of leptin decrease and levels of ghrelin increase when you don’t get sufficient sleep, so you’ll constantly feel hungry.

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