What does it mean for mom to dream that her grandparents died and went home?

Dreaming is because the brain doesn't have a good rest. Don't mind these things. You can't believe it all. I think this dream you had was given to you by your grandparents. When you are free, you can burn some paper money or offer flowers to comfort the dead in front of the grave. It's a relief for you and your dead relatives. Friends, friends, good luck.