at our biggest sale of the year, every sleep number bed is on sale. queen mattresses now start at just $599. and for one week only, save an incredible 50% on the sleep number limited edition memory foam mattress sets-but only through labor day! the sleep number bed is more than just a mattress. you sleep on it, you'll understand. don't miss the biggest sale of the year on the bed that can change your life. the sleep number bed. special offer ends labor day. only at a sleep number store. sleep number. comfort individualized.