When villagers go to sleep at night, they can be seen flying out of their building (in the sleeping position) on the axis they were sleeping on. They are also able to be pushed out of their bed by walking on them.

Steps to repeat

1) Place about twenty beds near each other.

2) Summon a bunch of villagers

3) Set the time to night

4) Watch as some villagers fly horizontally out of their bed.

Link to my uploaded video on Twitter: https://twitter.com/Catalyst__Chaos/status/1329166803277377538?s=20