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Sleep helps regulate hunger hormones, influencing our food choices from "summary" of Why We Sleep by Matthew Walker
When it comes to our food choices, sleep plays a crucial role in regulating the hormones that govern our hunger. Ghrelin is a hormone that signals hunger to the brain, while leptin is a hormone that signals fullness. When we don’t get enough sleep, our ghrelin levels increase, making us feel hungrier. At the same time, our leptin levels decrease, reducing our feelings of fullness. This hormonal imbalance can lead to overeating and weight gain. In addition to affecting our hormone levels, sleep deprivation also affects the brain regions responsible for decision-making. When we are sleep deprived, the prefrontal cortex – the part of the brain involved in making compl...
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