1) less caffeine in the morning so your body needs less of it to regulate. 2) more caffeine in the morning so your body is more impervious to its effects at night. You're reliant on stimulants for alertness. Stick to the stimulants you know. Alternatively, do 20 minutes on an elliptical or whatever before dinner. I have long substituted exercise for sleep, fat lot of good it's done for my physique, but it'll wake you up without keeping you up. (I have also been known to drink 60 oz of coffee in a day)
I don't know man, I think those podcast ads for Living Proof are finally getting to me after 50 episodes' worth, but I'll take your word for it. defaulting to the thought of showers since merely walking to classes out here works up a sweat. Had a poor prof on Monday who just moved over. Was late to class and rushed over only to realize the humidity + 90 degrees made his shirt see-through by the time he finished briskly walking into the room.