Here is a bed that can move you around in your home autonomously. The Bedfellow Robot Bed drives with a sustained 8 horsepower of force and can carry up to 12 people. It is designed to support up to 3000 lbs worth of weight. The bed is controlled by an Arduino Mega.
randofo has shared an article that shows how to build your own robot bed. What do you think? Are you impressed?