A foam-on-the-floor sleeper like the Teddy sofa has a comparatively thicker mattress, around seven to eight inches, because the panels only need to stack once. (For comparison, our best-in-class ...

Amazon What we like: Worth noting: With more than 5,000 reviews and a 4.5-star rating, the Milliard memory foam mattress is ...

The Shelter Sleeper Sofa is only available in one size — it's 80 inches wide with a queen-size memory foam mattress inside ... but still slim enough to fold up into the seat of the couch.

When someone says “sleeper sofa,” I ... but the two foam mattresses are compact enough to nullify the cavernous feel that typically results from pushing two twin beds together.