The OKW studio is larger and has two queen beds. The BWV has only one bed and a pull out couch. The pull out couch actually makes the unit feel larger when the couch is a couch, but then you have to deal with sleeping on a pull out couch at night.
The studio plus units at BWV have that day bed, it is about 5' long. Paul Simon, no problem, an averaged size person, no.
Five people really need a two bedroom unit to be comfortable and follow the rules.
"From each according to his ability, to each according to his needs", Karl Marx, pretty sick, huh?