pronap
This is a form of napping conducted in a professional environment, i.e. at work, or on work time. "Professional-nap". This is usually conducted on a lunch room couch, under your desk, or you can even take a sleeping bag and sleep in the work courtyard. To be a "pronap" one must sleep for too long and after which you should have increased work efficiency and effectiveness.
I was out partying late last night and I couldn't concentrate on work, so I had a quick pronap and I was as good as new!