If someone goes to bed hungry, what happens in the body overnight that causes them to wake up not hungry?
In: Biology
Hunger seems to be much more a mental thing than a physical reaction to not having enough food.
Pretty much everyone has sufficient stored energy in fat reserves to power normal body activity for at least a few weeks. You’re not hungry because you’re critically low on energy, but because your brain is used to eating on schedule. Because it’s mental and not physical, exactly how it works varies widely among the population. Your brain is perfectly capable of deciding not to feel hungry when you wake up, despite being hungry the night before and not eating anything since then. It is all sub-conscious though. That’s why some people experience agonizing pain if they don’t eat on-time, while others might just forget to eat because they’re doing something interesting or decide to fast for a while just because they feel like it.
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