A 10 Minute Nap Can Boost Your Work Performance

Cat napping in the office

"Cat napping" in the office can boost your performance

An indepth study looking a different napping techniques showed that 10 minute naps are the way to go:

These findings suggest that the 10-minute nap was overall the most effective afternoon nap duration of the nap lengths examined in this study. The implications from these results also suggest a need to consider a process occurring in the first 10 minutes of sleep that may account for the benefits associated with brief naps.

Napping has been shown to increase learning ability, improve memory, boost overall performance, and make you more creative. 

Maybe that is why some business have embraced napping in their culture. Here's a couple of interesting articles on the subject: