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.

The best sleeper sofas ... Sofa Bed is attractively priced and easy to convert, with a pullout component that slides into place next to the sofa seat and forms a mattress roughly the size of ...