It's bad to drive when you are really tired.
Karl Has been up all night partying at a friends, and he keeps nodding off, but has to get home.
Karl wants to head to his house.
Karl sleeps for a few hours at his friend's and drives home upon awaking.
Karl gets into his vehicle and travels towards his house, but falls asleep at the wheel.
Karl is able to make it safely back home.
Karl crashes into a tree and wrecks his car.