>>1030856I find that if I snack between meals I get sluggish. When I don't snack between meals I can work, hike, swim far longer and my brain functions a lot better. I think it has to do with the fact your body isn't require to process new food, in your stomach, and reallocate resources to that job; coupled with increased ghrelin production.
You are not a cow. You do not need to graze all day.