Sleep when you're dead.

I love the little caffeine-energy lines emanating from her head, the taught expression, and the fact that it's unclear whether she is: 1) raising her mug in a toast, 2) about to throw steaming coffee in your face, or 3) recovering from getting clocked in the chin from a third party.

This image was insipred from a post on Ishbadiddle (as usual) about how to destroy the Earth with a coffee can via DeepAstonomy.com.