if hte hotel has the usualy staff, someone might have complained about the breeze from your room and had hte staff go in and close it. I had it happen in Italy and Greece, so I got into the habit of putting a note on the door saying I did not want any service in my room. Though when it happened to us, some of our stuff did go missing. I always kept my valubles well hidden or on me so I was fine but my friend Jen lost jewelry and cash