it was a dream

It is said that you think day by day and dream at night, so has what you think about during the day really become a dream?What is a dream?What exactly is a dream?Are you aware that you are dreaming?

The author has something to say:

There is no internet at home, and the update has fallen behind.sorry.Finally finished writing.Maybe the ending was a bit rushed or something.I also hope that you will make more comments.In addition, I have to open a new hole.Please support me.