Entrepreneur Daily says :
What happened to the days of laying your head on your desk and drifting off for 20 minutes of bliss? Though most of us haven’t enjoyed naptime since elementary school, some scientists say naps aren’t just for 6-year-olds.
According to a Washingtonpost.com article, “sleep scientists have discovered advantages to napping, which they view not just as solace but also as something akin to brain food.”
The article cites a 25-year survey conducted by researchers at the University of Haifa in Israel showing that naps, when taken in the workplace, can increase productivity and reduce “general crabbiness.”
Other experiments echo those findings. For example, Matthew A. Tucker of Harvard Medical School discovered that a 45-minute nap can enhance the ability to perform tasks relying on memory.
I like being productive and cheerful. Hence I've been experimenting with the fine art of the Power Nap since a while now.
I've done some research myself, and also with other subjects. (Archis is a fellow expert in this art.)
On chairs... and on sofas...
And beanbags even...
Power naps are awesome! Chairs are good occasionally, but can cause back ache if used too often. Bean bags are good, but sofas are the best!
Check this out for the complete low down on how to nap, when to nap and for how long to nap.