There's a whole book on the diet with a lot of science, but the very short summary is, no, it doesn't quite work like that. For one, the recommendation is to eat at the beginning of your day (skip dinner not breakfast). But also, most people who eat like that don't actually limit themselves to eight hours. That was basically how I was eating, skipping breakfast, but I was still having a late night snack, and sometimes an early morning snack. I basically just dropped the snacks, but that's not really the right diet.