Sleeper sofas come in a range of sizes, from loveseats or chairs-and-a-half that convert into twin-sized beds and full-sized sofas ... then convert into a roughly king-size mattress.
This 4.8-star-rated convertible sleeper sofa from mattress brand Serta has a full-size pull-out bed and works well for a small space. It has a button-tufted design and a hardwood frame.