A sleep number bed. Now I am not exactly sure what that is, though it sounds like some sort of bed for sleeping. And if you happen to be looking for a sleep number bed or wondering what it may be, you can find it and all about it at Discounted Airbeds. You can find sleep number beds, air mattresses, waterbeds, foam bed mattresses, pillows, sheets, comforters and more at their website. At Discounted Airbeds, you can find that bed you may be looking for.