Glass pivot door with offset axis pivot hinge without built-in floor fixtures. The unique pivot system is integrated in the black anodized door frame and sits on top of the finished floor. It can be installed in new or existing homes.
This is the Camp Daybed from designer Stephanie Hornig. It's a daybed with an integrated sleeping bag. Sure you could just lay a sleeping bag out on your existing couch, but if you don't bungee-cord yourself to the frame.