Villagers disappear when they sleep

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