Sleeper sofas come in a range of sizes, from loveseats or chairs-and-a-half that convert into twin-sized beds and full-sized ... in sofa form, then convert into a roughly king-size mattress.

It's amazing to see how many different ways this small loveseat sofa ... or a full one-person bed. There's a hidden extension underneath the top layer of this sofa that elongates it, which can ...