Something weird happened to me an hour ago. I was laying awake, eyes closed, and I heard someone come up the stairs and enter my room. I could tell by the way the boards in the floor sound when you walk on it because I hear it many times a day. It was like the person stepped into my room and stood there. I swear I could even sense their energy as they balanced themselves in one place and looked around. Could heard subtle movements of the body, like their clothes rubbing as they moved. I kept my eyes closed and waited to see what they'd do. Well, I have a guitar in my room against the opposite wall to the door and another laying in the floor at the moment. I began to hear my guitar's strings get fretted. They make a certain sound if you just fret the strings and let go. All guitarists know the sound. But they did that in a pattern for about 20 seconds of press, hold for 2 seconds, and then let go, emitting the typical "waw" sound. After a couple of times, I opened my eyes, looked around and no one was there. No one was even in the house at the time.