A sofa bed’s conversion mechanism determines what ... then convert into a roughly king-size mattress. Strategist senior editor Winnie Yang owns the sofa, so I visited her apartment to test ...

Heals: the Oswold sofa bed has a king-size mattress and hidden storage It’s obvious a lot of attention has been paid to the design. Unlike other pull-out designs, you take the lever and pull the ...

which was put through its paces by one of our on-staff panel testers (and is also a reader favorite), as well as Article’s Nordby Sofa Bed for its affordable price, compactness and durability.