Bandit is one of those dogs that will run and chase a ball or frisbee until he literally falls over. We make sure that he takes a breather when he's been playing hard even if he thinks he doesn't need it. This is what he looks like after he's been playing frisbee and is just chilling. I made him go lay down since he wanted to play with a tennis ball even though he was breathing like a freight train. He slept well that night.