I'm not going with you guys, but I do have a suggestion for you: the "toe taps" that help guard against shin splints are also fantastic for keeping you awake during class. I use it whenever I have an 8a.m. class in college, and it works wonders. Also, try slapping the back of your neck with your index, middle and ring fingers. This helps get blood flowing to the brain, and will help wake you up.
Good luck, guys!