I do OMAD at least 5 times a week, combined with a Keto Diet, really makes it easy to do. I generally eat between 3 and 4 PM my meal, so it’s pretty much all digested by the time I go to bed. And I never wake up hungry the next day, so for me, it’s a snap to make it to 3 PM.
I find that once you’ve gone over to a fat burning metabolism (carnivore/keto), you don’t get the hunger cravings. Your body eats stored body fat so can stay somewhat happy with that.