A sleeper sofa is a space ... double up as a temporary alternative to a mattress topper on your sofa bed. Of course it’s not going to provide the support that you’ll get from a topper, but ...

This is a great start. The fix for a saggy mattress:Meliusly Sleeper Sofa Support Board This support board stiffens a sagging mattress and folds flat for storage in the bed or beneath the cushions ...

It’s a marvel to fit a bulky piece of furniture inside another, equally bulky piece of furniture; also, you’ve probably encountered a sleeper sofa that ... a second bed frame under the first ...