Who Was It?

From: 
Story type: Ghost
Location: house/hospital
Source: Form Submission

One night about two years ago at my home when i was about ready to fall asleep i opened my eyes and seen a dark figure of a human standing in my door way. It just looked at me for a minute and i blinked my eyes and it was gone. It wasnt anyone in the house cause they were all out in the living room. Now a couple years later im at the hospital with my soon to be sister in law and my friend missy. the end hallways were all quite and calm. then all of a sudden this figure of the same guy appears running down the hallway screaming for help. No one seen him but me. A couple weeks from that i was at my boyfriends house. I glanced out the window and once again i seen him(this was at night), he was dressed in nothing but white. It remains unclear to me why i see this man from time to time, i have no idea who he is!