It's told of Albert Einstein that he would work all night frequently, with his Princeton colleagues; and one morning, called up to breakfastby his patient wife, he fell sound asleep over a plate of bacon and eggs. His friends conspired to trick him, and whisked his plate away and replaced it with an empty one with a few crumbs on it.

When he woke up shortly thereafter, the story goes, he belched quietly, wiped his mouth, and said, "Well, gentlemen, shall we get back to work?".