Metal pull-out mattresses are typically thinner, between 3.5 and 5 inches, since they have to be folded three times to fit in the sofa’s frame. These can contain springs, memory foam ...

The washable couch covers are polyester, and the couch itself is made of a solid wood frame and high-quality memory foam. It can seat up to six people comfortably. Shoppers compliment the sofa on ...

With cushions packed with memory foam padding, shoppers say that the sofa is "very comfortable." It's also spacious and can seat between three to five people. It's upholstered in a polyester ...

Below, shop our top picks for the best sleeper sofa mattresses. Amazon What we like: Worth noting: With more than 5,000 reviews and a 4.5-star rating, the Milliard memory foam mattress is our ...

A sleeper-sofa mattress upgrade: Milliard 4.5-inch Memory Foam Replacement Mattress It doesn’t take much to improve upon the busted, old mattress—or the disappointing new one—lurking in your ...

Here’s how it works. Memory foam mattresses are popular among sleepers looking for a bed that can ease aches and pains, as the dense cushioning reduces pressure build-up at the joints.