This is the 239th most frequent Italian word.
notte
"Notte" means "night" in English.
Here, 'notte' is used in a temporal context as part of 'stanotte,' meaning 'last night.'
Stanotte ho dormito molto bene.
Last night I slept very well.
In this usage, 'notte' forms part of the phrase 'buonanotte,' which is a common way to wish someone a good night.
Buonanotte, cara, dormi bene.
Good night, dear, sleep well.
In this sentence, 'notte' is used as a noun to refer to the nighttime, a period of darkness.