At bedtime, the Villagers lay down anywhere--on the ground outside, in the middle of a room, occas. some make it to a bed. I've seen this issue reported in the past and deemed resolved however there is a new You Tube video that clearly demonstrates the "sleeping in bed" issues still exist and the video reflects exactly what is happening in my game as well. If a Villager in bed is approached they simply float away through the wall and disappear. This all occurs at bedtime and just started happening a few days ago.