I have 18+ hour days when school is in session.

My days are often (and really unhealthy) like this.

Work
coffee x3 cups
home
food
coffeex1 cup
School
Coffee (they have this really strong stuff at the 'underground' for any of you ku students out there)
Red bullthe huge x3 one
lunch
coffee
Generic energy drink
home
dinner
coffee
study
coffee

I'm not saying the shit works, but i swear by those two