It was an awful experience. There is a gap between the window and the wall next to the bed, and the gap actually connects my room to the room below me. In another word, I can hear everything very CLEARLY like what's going on in the room below me.The 1st day I checked in the hotel in the afternoon, I was having fever and needed a good nap, after settling everything, i fell asleep and I left my work phone on top of the blanket. When I woke up I realised my work phone is gone! I tried searching my room thoroughly and I couldn't find it, I was very sure the phone was on the bed as i did some arrangement before i sleep. The explanation can be either someone came into my room and took it (which it doesn't make sense, because my personal expensive phone is still with me) OR the phone flipped and dropped into the hole/gap when I was pulling the blanket while I sleep. If is the latter, then the guest in the room below me probably saw the phone and took it. I informed the receptionist immediately after i suspected it dropped to the lower floor and we cant find the phone.