Im 15 going on 16 in about a month. Ive seen black shadow like figures run past windows ive been looking out of. Ive seen the same black figures in mirrors closets behind friends and family but it hasnt made its self clear like your things. Ive seen a little boy all in white as if he was a ghost next to the black figure before as if he is its son. Ive herd my name called out before and asked if anybody called me but everybody looked at me like i was crazy. Ive even woken up with small scratches throughout my right side of my body and only the right side of my body. Ive been seeing these figures since last year and i thought i was the only one like this besides my dad. But my dad died 2x and was revieved both times so i think he has a excuse for seeing these things.
You may be sensitive to seeing the spirit world. I don't think you have a mental illness at all I think you need to pray & get closer to God. Don't let anyone tell you it's mental illness because it's not.