It is possible to lift a Thatched Bed with someone sleeping in it. You can put it to another place then. As you pick it up, the sleeping character disappears from it, and after you put it on the ground, another character is able to sleep in it.
Steps to reproduce:
Build a Thatched Bed
Sleep in it
With another character, lift the bed and put it back.
It works exactly the same with normal bed and was like that before this world. The moment you throw the character out of bed it stops sleeping there, so if you imply that you can have several characters benefit from the same sleeping buff - I think that's not the case.
And I think it is intended behavior. Otherwise it would be too prone for abuse. If you can't lift/move the sleeping character it'd be way too easy to use sleeping alt to block shit.
Intended behavior. You can throw people out of bed, effectively.
"The psychological trials of dwellers in the last times will be equal to the physical trials of the martyrs. In order to face these trials we must be living in a different world."