Life pro tip: a cheap foam topper turns any intact air mattress into a pretty decent bed. I'd say it's an upgrade from 3/10 to 6/10. Not a great night's sleep, but a good one. Your guests will appreciate.
Does that mean the twin is meant for two cause last time I did that me and the other individual ended up exchanging bodily fluids and I honestly don't see how that's avoidable in that small of a space intentional or not.