And yes, it did stop when I unplugged it. It's just that unplugging it was an adventure in itself. When I got the bright idea and climbed down from the table, I swear the thing growled...it just wasn't natural, ya know? And when I fished in back for the plug, it launched again and one foot of the bed came down on my toes. Wherever it was going, it was planning on taking a piece of me with it.