Unique Japanese Phrases - What a waste! もったいない [Mottainai] | Japanese language lesson

[@The_DoubtingThomas]

教えてくれてありがとう🙂

[@Kruzluk]

Thanks for the video, it's was really clear and easy to understand!

[@butataRS]

Thank you.

[@karraralgburi8020]

You are so cute, thanks for sharing

[@naka-yubi]

So which part of the English example does oyasumi dakara mean?
Doesn't dakara usually mean "because"
And oyasumi mean "goodnight"?