Convertible sofa bed are usually not very comfortable, in fact, usually have a reputation for being lumpy or inclined, or have a metal bar that seems to run right through middle of bed. Although more recently, high-end convertible sofa beds may have mattresses that are comfortable to sleep, most people still use those that do more to keep awake to help you sleep. Fortunately, there are some quick fixes that you can do to make sofa bed most comfortable for you and a guest.
Use a heavy blanket, such as a sleeping bag unzipped or thick quilt instead of a mattress. Although effect will not be as masking, a heavy blanket or quilt made in a pinch. You can use more than one to help thicken distance between you and your guest and convertible sofa bed mattress.
Find some small books and a small stack of newspapers or some cardboard can be folded to be placed under legs of convertible sofa bed to level out. Sofa beds often seem to lean down toward back of sofa, which can be very annoying when trying to sleep. You can use thin books, newspapers or folded cardboard to place itself under sofa or under legs of bed to create a flat level sleeping.