Why does hunger come and go in “waves”, even if you don’t eat anything?

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For example if you’re intermittent fasting or water fasting, and the hunger comes and goes in waves as opposed to just getting hungrier and hungrier by each passing hour. How come? I do intermittent fasting and my periods of hunger are brief. You’d think the longer I go without eating, the worse my hunger would get but instead, I just get these brief periods of hunger and they eventually disappear, as if I had already eaten.

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Anonymous 0 Comments

I’m only recalling what I’ve been told / heard before but,

Sending hunger waves takes energy, the more it sends, the more energy it wastes, and when you are already without food for a while, it’s better for the body not to waste more energy than needed.

So it does it in bursts, hoping that you’ll listen/find food, then it stops for a bit, and if it doesn’t receive food still it will send another wave at some point.

Someone else might be able to explain this better though but this is what I’ve been told in simple terms

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