When the villagers sleep, they start floating to any direction, at the same speed of blue ice, and when the day comes, the villagers are disappeared, its very random, I have uploaded a video of the bug: (the video is very heavy so I uploaded it to drive) https://drive.google.com/file/d/1ApHlM544vjZu1TRZvUJnIWrdeausTh9u/view?usp=sharing