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 ...

For the ultimate in comfort for your overnight guests, this sofa becomes a king-size bed in a jiffy, with a simple pull-out section, while the back of the sofa comes forward and lies flat ...

Using a double duvet on a single sofa bed or a king-size on a double sofa bed means that the duvet will drape off the side of the sofa bed, visually transforming the sofa into a proper bed,' says ...