Open Question: 3 people in the room.?

4 days ago i was asleep and out of nowhere my bed started too shake & i don't know if it was a dream but when i woke up i couldn't move my body it was like my body just shut down my heart was racing and my mind going crazy and i don't know why but 3 people popped in my head the next thing i know the left side of my bed started cave in as if someone was laying there and then it went down to the bottom of my feet....at that moment i sat up and everything else went away..whats happening am i going crazy??