Research-based buying guides for sofas, chairs, tables, shelves and rugs. We compare available data on specs, sizing, compatibility and owner feedback side by side, so you can choose with confidence.
A queen sleeper sofa can be a useful guest bed, but its thin mattress may not feel like a regular bed. Replacing it with a memory foam mattress can add more cushioning and support—if the new mattress fits the sofa’s folding frame.…