How do you say good night my love in Portuguese?

Here are a few ways to say "good night my love" in Portuguese:

Formal:

* Boa noite, meu amor. (This is the most common and literal translation)

* Boa noite, meu bem. ("My good," is a more affectionate and formal alternative)

Informal:

* Boa noite, meu amorzinho. ("My little love," is very affectionate)

* Boa noite, meu bem-amado/bem-amada. ("My beloved")

* Durma bem, meu amor. ("Sleep well, my love")

Romantic:

* Te amo, boa noite. ("I love you, good night")

* Sonhos bons, meu amor. ("Sweet dreams, my love")

You can choose the best option depending on the context and your relationship with the person.