CAFFEINE (noun) 1. A mild stimulant to the central nervous system, found in coffee, tea, colas, chocolate, and other products.
DON'T FILL THE TANK
If you're drinking coffee to stay alert, new research suggests that spreading your consumption over the course of the day is more effective than filling your tank with a giant cup in the morning. Instead of that 16 oz. monster, try drinking a 2 oz. to 3 oz. cup every hour or so.
ONE FOR THE ROAD