If it's a CUA asset, what I do is:
Get into edit mode.
Go to Add atom > Misc > Custom Unity Asset, or use the little flag icon in the footer. Choose select atom on load, and maybe focus too.
*Very Important* Turn off collision on the CUA you just added.
Open the Asset tab of the CUA and find the room asset you want. Wait for it to load, then select whatever you want from that bundle.
Once loaded, position it so the people and other things are not interfering, then turn collision back on.
If necessary, repeat the above steps, if the room has multiple assets, like if the bed is a separate item.
If you load several things, you can parent them to the room CUA so you can move them around and they stay together.