See the story below to get started. Once, at a hotel, I put the Do Not Disturb sign on my door before going to bed. At 7AM there was a loud knocking from the maid wanting to clean my room.
One victim, who was often brought to hotels by her abuser, has said the data is unsurprising. "You can put a 'Do not disturb' sign on the door and then they can do whatever they want with nobody ...