How you say goodnight my love in Russian?

There are a few ways to say "goodnight my love" in Russian, depending on the level of formality and affection you want to convey. Here are some options:

Formal:

* Спокойной ночи, моя любовь. (Spokoynoy nochi, moya lyubov.) - This is the most direct and formal translation, literally meaning "good night, my love."

Informal:

* Спокойной ночи, любимый/любимая. (Spokoynoy nochi, lyubimy/lyubimaya.) - This is a more intimate version, using the word "любимый/любимая" (lyubimy/lyubimaya), which translates to "beloved" or "darling."

* Доброй ночи, любимый/любимая. (Dobroy nochi, lyubimy/lyubimaya.) - This is similar to the previous option, but uses "доброй ночи" (dobroy nochi), which is a slightly more affectionate way of saying "good night."

Even more affectionate:

* Сладких снов, мой/моя любимый/любимая. (Sladkikh snov, moy/moya lyubimy/lyubimaya.) - This translates to "sweet dreams, my beloved."

* Я люблю тебя, спи спокойно. (Ya lyublyu tebya, spi spokoyno.) - This means "I love you, sleep peacefully."

The best way to say "goodnight my love" in Russian will depend on your relationship with the person you're talking to. If you're unsure, it's always better to err on the side of formality.