Plus, because they do double duty as a bed-couch combo ... These days, sleeper sofa mattresses are typically memory foam, gel memory foam, or air-over-coil hybrid mattresses.

Sleeper sofas come in a range of sizes ... a mattress that lies directly on the ground, similar to an air mattress. A sofa bed’s conversion mechanism determines what kind of mattress it can ...

Aside from this top-rated cozy memory foam number, we found two close runner-ups for the best sleeper sofa mattress.

Yes, sleeper ... sofa that does both jobs right, and we have the picks to prove it. Below, see our list of the most comfortable sleeper sofas that convert from welcoming couches to cozy beds.

Even though it's hiding a full queen-sized mattress inside, the sofa is impressively compact—the most functional option for ...