I assembled a queen-size version of the Koala Sofa Bed and tested it for two weeks, relaxing on the sofa during the day and in the evenings folding it out into a bed to sleep on overnight.

The Walmart VanAcc Reversible Sleeper Sofa Bed is on sale for $400. The “soft” storage sofa measures 91 inches by 55.70 inches by 36.80 inches and has 5-inch “comfortable” cushions. The ...