Air Traffic Controllers to Take 26-Minute Naps

Air traffic controllers in the US have been advised to take 26-minute naps, after a string of incidents involving workers falling asleep.

If you were asked, "How long is the perfect nap?", what would your answer be.  I think I'd say about 20 minutes.  So is 26 minutes the ideal length of time for a nap?  The experts don't all agree.

[Via:  BBC News]