How do you say Goodnight in Italian?

Buona notte e dormi bene is an Italian equivalent of the English phrase "Good night and sleep well."

Specifically, the feminine adjective buona means "good." The feminine noun notte means "night." The conjunction e means "and." The imperative dormi means "(informal singular you) sleep." The adverb bene means "well."

The pronunciation is "BWOH-nah NOHT-teh DOHR-mee BEH-neh."