So if you have tried other beds in the past that weren't firm enough for you I think the Plank Firm Luxe could be on your short list of options. The extra-firm side of the Plank Firm Luxe is ...
If your mattress is feeling a little too firm or too ... 100 for a queen size, and can definitely improve a mattress, but are often made with lower-quality materials and lack extra features ...
With a name like Beautyrest, it's easy to figure out what makes this a respected brand within the mattress industry ... support and extra memory foam, also available in Firm Pillow Top.
In general, a thicker mattress will feel more comfortable — especially for a metal-framed pull-out sofa bed, any extra inch of padding ... then convert into a roughly king-size mattress.