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.

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lucubrate

1. work hard and late into the night, e.g. cramming for a test.

Masturbate within a grove of trees lucus-lat. for grove

He had to lucubrate for his finals

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lucubration

laboriously educated conversation lubrication

Your eloquence obviously comes from lucubration.