I accidentally left something about you ... Tell me about it.

I slept in class once and then woke up. I go to class, eat and ride home as usual. When I got home, I realized one thing. I have moved, and the original place has been demolished. Then what's my position? At this moment, I suddenly realized that I was dreaming and suddenly regained consciousness. I looked at my watch and only slept for about 5 minutes. At that time, I was scared and doubted the reality. ...