I Have Had Sleep Paralysis

I had quite a pleasant experience with this, thankfully. It was sometime in late 2011 and I remember waking up paralyzed. There was a man in my room who looked like he was about to walk out of my room through my wall and he was looking back at me over his shoulder with shock/surprise on his face. My first thought was "thief!" and I began to panic but then he gave me such a warm, tender smile and I felt this peace wash over me and I knew I was safe. Then it's like my "eyes" woke up to him gone and I was able to move, so I rolled over with this deep peace and fell asleep with ease. A couple of years later, I found out the figure I saw matched a photo of my great grandfather who died well before I was born.