On CNN right now, is Metronaps CEO Arshad Chowdhry who is pitching the idea that it helps a company's productivity when employees take a well-earned nap during the day.
At $800/month, a company can rent a Metronaps pod which allows one to hunker down for a snooze. You even get (not to keep) the Bose QuietComfort2 noise-cancelling headphones. Plug-n-play your iPod and get some zzz's.
For more benefits of a power nap, read this article by Helen Sanders.