A small space idea, like a tree house in your room. Utilize all space with shelf stairs up to the bed box. Get a closet too and all of it up off the floor space. Great for a boys room. Put a BB Net on the bed and voila! they can play indoors.
If you have the wall space in your RV gain two extra sleeping spots, with this space saving Bunk Bed Gadget. Like the wall in garage of toy hauler RV separating living area. How about extra beds for the kids at the cabin