How do you say sweet dreams too in French?

There are a couple of ways to say "sweet dreams too" in French, depending on the context:

Formal:

* "De beaux rêves à vous aussi." (This is the most literal translation and is suitable for formal situations.)

Informal:

* "Fais de beaux rêves toi aussi." (This is more casual and friendly.)

* "Bonne nuit et de beaux rêves à toi aussi." (This is a longer but more common way to say goodnight and sweet dreams in French.)

More informal:

* "Dors bien et fais de beaux rêves." (This literally means "Sleep well and have sweet dreams.")

* "Bonne nuit, fais de beaux rêves!" (This is a short and sweet way to say "Goodnight, sweet dreams!")

You can also use a more poetic phrase:

* "Que tes rêves soient doux." (This translates to "May your dreams be sweet.")

Remember to choose the phrase that best suits the tone and formality of the situation!