Hmm... So how big is the snake? Generally, offering multiple prey items should be fine (maybe less meat and more hair), but it's usually easier and cheaper to do larger prey. My snakes don't relax or sleep after a while if they are still hungry and can still smell food. The older balls will stay restless and the younger ones will actually sometimes strike at the sides of the bin while I'm feeding others after they ate (if the meal wasn't big enough). So will my bloods, but that's expected no matter how much they've just eaten. :D So it would be my opinion that if they aren't interested any more, I wouldn't feed them any more.
