This is how you write “good night, sweet dreams” in Arabic:
ليلة سعيدة و أحلام لذيذة
When speaking the phrase “good night, sweet dreams”, you will say:
“Laila sa'eda wa ahlaam ladida”
If you want to learn Arabic quickly, there are a few tips that can help you do just that. According to the Arabic Language Blog, you can increase the pace with which you pick up the language by reading Arabic newspapers and listening to Arabic music.
Immersing yourself in the language is one of the tried and tested ways for not only becoming fluent faster, but also for perfecting the accent, which is often the most difficult task for adult learners.
If you are interested in learning more phrases in Arabic, you should visit Linguanaut.com. This site covers some of the most common phrases used within the language, so it is a great place to get you started.