If someone goes to bed hungry, what happens in the body overnight that causes them to wake up not hungry?

Question

If someone goes to bed hungry, what happens in the body overnight that causes them to wake up not hungry?

In: Biology

Answer 1

The body starts using its reserves to fill in the gap in nutrition – i.e. your insulin levels are low so the hormones in your body tell it to burn some of your fat. Less did makes your stomach retract too.

This is what people do for intermittent fasting.