Goshorn Round Arm Sleeper Wayfair $ 405.99 was $ 625.00 If budget is your main concern, you'll love this sofa, which has a split back that folds down into a full-size bed. The entire length of the sofa is 77 inches (with 71 inches dedicated to sleeping) and it comes in six neutral colors that can complement a fun throw pillow collection. Its back and seat cushions are removable so you can access the full-sized mattress inside, which rests on sturdy support bars and comes in either memory foam or innerspring. And, since it's a sleeper loveseat, it's great for a small space. Winston Porter Osgood Revolution Sofa Bed, $1,050, Wayfair. Shop Now.