lucubration 

To study by night, or work produced at night. From "lucubrare" (to work by lamplight). Also the product of such study -- usually used in plural.

When Katherine realized that Sasha was online at 4:30am, she suspected that significant lucubrations had been produced.

lucubration by sashamd November 1, 2003

lucubration 

laboriously educated conversation lubrication

Your eloquence obviously comes from lucubration.

lucubration by CLP3 October 2, 2009