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 that contain queen- or king-sized mattresses. Like buying a sofa ...

But you’ll get more mileage out of the store’s wide selection of moderately priced sofas and loveseats—sleeper and standard, in an array of fabrics and leathers—than you ever would from a ...