Michael Phelps And His High-Altitude Sleeping Chamber

05/08/2012 09:38 am ET | Updated Jul 08, 2012
  • Jill Rosen chicagotribune.com

Michael Phelps has the money to pretty much sleep anywhere, in anything, that he wants.

It turns out for the last year or so, the Olympian has been hitting the hay in a high-altitude sleeping chamber.

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