I'm So Glad My Bedroom Window Was Locked

I was woken up by the sound of someone trying to push up on my locked bedroom window. I sat up to get a look and saw a dark silhouette of a person looking in the window. When it actually clicked what I had seen, they were gone. In the morning I thought I might have dreamed it after I called everyone I knew that it could possibly have been but nobody knew anything. Nobody was at my house. No one would just try to get into my bedroom window in the middle of the night anyway especially when I don't think this person even knocked on the front before trying to open the window. They left muddy shoe prints going to and from the window. I'm so