How billionaires sleep: Sweet dreams are made of this or Breathe like a rich man

You might think it must be great to have a ton of money, no responsibilities and spend your days lazing around. But appearances can be deceptive, because those who have everything often get off their gold-plated ass and work for their money. On top of that, their assets, excessive workload and other worries often give them sleep disorders. On the other hand, though, they can afford to create such conditions in their bedroom that you'd otherwise find only in places such as salt caves or high mountains. So, how do millionaires sleep?