I can’t help it: I’m a total geek, and an information junkie, and few things make me happier than worldbuilding, whether it’s mine or somebody else’s.
If you’ve ever tried to get the details of daily life right, you know what a nightmare it can be. Furniture is definitely in this category. All the furniture we take for granted today did not always exist, and still does not exist everywhere.
Don’t try to write around the problem. Look at this history of furniture.
There is actually a timeline of furniture on the above-linked website. It amuses me greatly. If you’re not writing a society based on the western European norms so many of us take for granted, it can provide an interesting starting point for extrapolating your own furniture norms and history.
How geekish do you want to get? Only you can decide.