 Now, they may be so tired they can't stand up straight. Their speech may slur. They may have trouble. I'll say, Josh, are you tired? No, Dad, I'm not tired. Why is it kids won't admit to being tired? Because if they admit to being tired, their parents will do the worst possible thing a parent could ever do to a child, which is to make them lie down. Worst thing a parent can do to a kid is to make them take a nap. Now, the parents would kill for a nap. We're exhausted.