If you reside in a small apartment, you are acutely aware of ... another popular option is to invest in a sleeper sofa. This ...

Even though it's hiding a full queen-sized mattress inside, the sofa is impressively compact—the most functional option for ...

Two things can be true at once: Sleeper sofas ... convert into a roughly king-size mattress. Strategist senior editor Winnie Yang owns the sofa, so I visited her apartment to test it out.