I dreamed that there was a dead man lying in the coffin and put it in my room. What happened?

Dreams have nothing to do with the objective lens of reality (1). Dreams are images of people's psychological feelings.

(2) Dreams are the satisfaction of people's psychological desires.

(3) Dreams come from the internal and external stimuli of the human body.

Analysis: The dreamer of 1 recently heard or saw the objective lens related to dreams.

The dreamer found his negative emotions in the new environment, which made him afraid.

The expression of the dreamer's psychological state of feeling that he has no face.

In short, it is the coffin of psychological growth: that is, promotion and wealth. You are lucky to dream of a coffin.