10 ways to say good night1. sweet dreams2. buenos noches3. sleep well4. have a nice dream5. may sugarplums dance in your head6. sleep time7. enjoy your bedtime8. rest well9. snooze ya later10. Lights out11. "Night night": This is a simple, yet sweet way to say good night to someone.12. "Sweet dreams": This is a way to wish someone pleasant dreams and a good night's sleep.13. "Sleep tight": This is another way to wish someone a good night's sleep.14. "See you in the morning": This is a way of saying that you'll see the person again tomorrow.15. "Have a good night": This is a general send-off for someone to have a good evening.