of that room is so secret and secure, because any problems could disrupt the country's financial life line. a big deal. >> that is pretty amazing. also amazing. so far, 78 auctions so far that have brought in about $2.3 trillion of money to the government. which a lot of people think don't know that so much of that is borrowed cash. like living on your credit card on a large scale. >> borrowed time and borrowed money. absolutely. coming up -- who is likely to be the crabbiest after a poor night's sleep? >> a husband or a wife? can you really catch up on sleep over the weekend? all sorts of important answers here for insomniacs, who are tuned in watching when you should be sleeping. that's coming up next! here for insomniacs, who are tuned in watching when you should be sleeping. that's coming up next!