[Jill_the_Pill]

Yes, there was a fad for making mattresses that sort of fold into a weak, uncomfortable couch. That combo is called a futon here. Now they have frames that give them some supportive structure, but the earlier ones looked like this: https://thehousingforum.com/single-futon/

[masklinn]

Ah so it's a kind of sofa / pullout bed, with a continuous folding mattress instead of the older "split" style