I had a dream about my mom leaving?

[KingLaptop]

I fell asleep around 7PM and as I recall it was all black for a while or maybe I just forgot/didn't have the/a dream. I don't remember exactly how I found out about my mom but I was in class at school and I think she called me. She didn't tell me why she left but she said she did. I felt bad about it. As the day progressed I kept crying every now and then but oddly I was at a different school but with similar features like the choir room and the cafeteria. I called my mom and found out she left because she was pretty sure my dad cheated on her (which is odd because they are divorced now and have been for about 5years but he did cheat on her and that's a reason they divorced). I called my sister who sounded like she had just gotten through crying and said she left school to find my mom. Most of the dream I kept wondering where would I go forgetting the fact I could live with my dad or aunt etc. Also my dad looked like my grandfather from my dad's side of the family oddly. This dream was weirder because a lot of real-life features were missing such as a lot of my closer friends and all of my sister's friends.
I woke up at around 12:40(AM) and went to my sisters room but it was empty, I got scared so I went to my mom's room where they watch their shows sometimes and I heard the tv so I was reassured that they were here without going in.
It's 12:58 AM now
I'm asking if anybody knows or thinks there is a significance to the dream/what does it mean, via a dream book or professional thoughts or just regular thoughts! Oh and my mom always tells me when I make her mad "you'll cry when I die"