I no longer teach law. But when I did I advised my students that they should never accept a case if it meant that by doing so you couldn't sleep at night.
Well, just coming off the stage and there's like 180,000 people out there and your adrenaline is going so high, and you're doing so much and it's hard to just put your head on the pillow and sleep because it just goes on and on, even after you're off the stage.