In order to develop tolerance to the sleep disrupting effects of caffeine, you would need to consume the equivalent of 1.7 pots of coffee (12.6 cups), or 15 Red Bulls, every day for a week,

In order to develop complete tolerance to caffeine, you would need to consume the equivalent of 1.25 pots of coffee (about 9.5 cups), or 11.25 Red Bulls, every day for 3 weeks.

And no, I do not have anything better to do.