pre-work out meal.

Just wondering if anyone has come across the same situation regarding breakfast before the early morning practices. I usually get up about forty five minutes before the start of our six am practice session. And during those waking moments I indulge myself in two cups of coffee before heading out the door. I've noticed that despite good nutrition, I can run out of energy (maybe 3/4 's of the way during workout) on the meager twenty ounces of my favorite beverage for breakfast. However, on mornings that I manage to get down a bowl of cereal, or maybe even just a banana...there's plenty of "gas in the tank" so to speak. Even though the days with a bit of breakfast result in more stamina for pool time, the stomache doesn't always agree with the early morning snack. I guess doing over a hundred and fifty or so flip turns could make anyone a bit green. After practice eating is not a problem. A side of beef or few tuna sandwiches usually hit the spot. Does anyone have some thoughts on their pre-practice rituals? I've seen swimmers slurping that goop out of a tube stuff and it just doesn't look very good.