I spent last weekend wrestling a four-foot IKEA box up three flights of stairs. My old sofa had a pull-out bar that jammed against my shins every single time, leaving bruises I had to explain to my yoga instructor. The new one, a sleek model with a click-clack mechanism, promised something different. No hidden metal frame, no sagging canvas sling. Just a swift, two-step motion that transformed the seating area into a flat sleeping surface. But would it actually be comfortable enough for my visiting sister, or would I be apologizing for a sore back by Sunday morning? This is the central question of any modern interiors project when square footage is tight and overnight guests are a regular occurrence.

Many people assume that a sofa bed is a compromise in the name of fashion. They envision a hard, lumpy mattress that reminds you of a frat house couch. That reputation is deserved, but only for the old guard. The new wave of pull-out sofas is different.