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When you drink coffee or caffeinated soda, then take a nap, and when you wake up in 30 mins or an hour, the caffeine is just starting to work, so you're very awake.
Ah shit, I'm totally wiped out. I stayed up until 6am at that party.
Dude, here's some coffee. Take a caffeine nap.
by Notorious R.E.D. February 23, 2007