According to the duke of Zhou:
Dreaming of mice playing in trees indicates that they will soon feel the joy of promotion or fame.
I dreamed that mice would peep around or come over with curious eyes, build or rebuild houses or shops, and thus get rich profits;
Some people say that the random activity of the brain in dreams is meaningless. But modern psychological research has found that dreams, no matter how absurd,
What the hell are they saying?
The most easily expressed content of dreams is related to our recent urgent needs and the safety of life.
I hope my answer can help you, thank you.