Buy Sofa Bed Mattress Replacement May 2026

For foam, aim for a density of 1.8 lbs or higher. Lower densities (1.2–1.5 lbs) tend to bottom out and lose their shape quickly after being stored folded.

Replacing a sofa bed mattress can turn a lumpy, "bar-in-the-back" guest experience into a legitimately comfortable night's sleep. If your sleeper sofa’s frame is still in great shape but the mattress has sagged or the springs have started to poke through, a high-quality replacement is a cost-effective alternative to buying a whole new sofa. buy sofa bed mattress replacement

Pro Tip: Look for at retailers like PlushBeds to help regulate temperature, as standard foam can sometimes "sleep hot". For foam, aim for a density of 1

Products like the Sleeper Helper are folding boards that sit under the mattress to prevent sagging and block the feel of the support bars. If your sleeper sofa’s frame is still in