Dream that the living are dead and the dead are still alive.

This is telling yourself not to pursue material and physical enjoyment in the past. Some bad guys may use your weakness to cheat their money. The above statement has no actual scientific basis and credibility, and is purely superstitious. People just need to keep an optimistic attitude and face life.

The reason why people dream is because the brain cleans up the side effects of daytime memory, or it may be that the brain waves in the dream are randomly generated, and the brain has not fully adapted. If you recall the memories of the day, you will be half asleep, but frequent dreaming may be caused by the pressure of life. Sometimes you may get inspiration or absorb new knowledge by dreaming.