Sitting in my room with my headphones on, I heard someone saying something.
When I took them off, I didn't see anything. I thought it was my imagination. I'm listening to music, but now I hear knocking. After taking them off and turning off the music, I heard nothing again.
And here is the third time. I see myself in the reflection of the mirror, and behind me, through the window, someone is standing and waving at me...