how do you say good night in spanish

The most common way to say “good night” in Spanish is:

Buenas noches.

You can also use a few other short, natural phrases depending on the situation:

• Duerme bien – Sleep well

• Que duermas bien – May you sleep well

• Hasta mañana – See you tomorrow

If you just need one simple, correct answer, use “Buenas noches” in almost every context.