This is probably the only spooky thing that has happened to me (so far!): a couple months ago I was traveling for work and staying in a hotel. The room had a balcony but I tried the sliding door when I first got there, and it would not budge, even though I checked I had unlatched it properly. It was just plain stuck so I relatched it and gave up on my dream of balcony coffee mornings for the week. The night before I left, I was sitting in bed reading on my tablet and I saw something moving out of the corner of my eye. I looked up to see the sliding door opening entirely of its own accord. There was nobody on the balcony, there was no earthquake that had jostled it loose, there had been no housekeeping during my stay to open it, it wasn’t an electronic lock, I had no explanation! So I got up and closed the door and tried opening it again. Stuck?! I am not a ghosts person but even I was like…that is some ghost nonsense, I would totally do this if I was a ghost.