I work on reception in a 5 star London hotel. One evening I took an internal call from one of our single guest rooms. The lady was English and well-spoken, but appeared to be having a panic attack. She said she couldn’t get out of her room and needed immediate assistance. I tried to calm her down and find out what the problem was – jammed door? Had she locked it? She became more stressed and screamed at me that there was no door. Totally confused, and starting to think she was insane, I asked her to remain calm and tell me if she could see any door at all in her room. ‘Yes, 2 doors – one is for the bathroom and one has a ‘do not disturb’ sign hanging on it.’