Good portable beds for adults include the Lucid Rollaway Guest Bed, Luxor Folding Bed and Simmons BeautySleep Foldaway Guest Bed, as of November 2015. In Amazon.com's user ratings, the Lucid bed averages 4.4 stars out of five. The most positive reviews say that the mattress is firm, sturdy and comfortable.
At Bed Bath & Beyond's website, the Luxor bed earns almost four stars. Reviews mention that the unit is easy to set up, and the mattress is supportive. The Simmons BeautySleep gets a 4.4 rating at Walmart's site. The folding bed needs no assembly and is compact. Reviewers say the memory foam mattress holds its shape.