Ghrelin is also entrained and pulsatile - you get hungry when you’re used to eating, and then the signal goes away whether you’ve eaten or not (until your next

Ghrelin is also entrained and pulsatile - you get hungry when you’re used to eating, and then the signal goes away whether you’ve eaten or not (until your next meal time). It also decreases in severity over time, which is why anyone who hasn’t ever done any extended fasting imagines that you’ll get hungrier and hungrier until you’re gnawing your hands off, but anyone who has usually has the opposite experience.