Sleeper sofas come in a range of sizes ... mechanism determines what kind of mattress it can contain. Metal pull-out mattresses are typically thinner, between 3.5 and 5 inches, since they have ...

The best sleeper sofas go beyond functionality, offering beautiful design, innovative features and unmatched comfort. Here ...

and it has the classic pull-out mattress that most people associate with sleeper sofas. Pit-style couches are the best way to provide sleep space without an actual mattress. And as far as pits go ...