I had a similar experience, every time my eyes closed there was always a woman's face in front of me with various expressions. At first I thought it was just imagination/hallucinations or I was horny
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
but after various experiments I realized it was real. I experienced it for 3 days