How to Choose a Sectional Sleeper Sofa A sectional sofa sleeper combines the comfort and convenience of a Stylish L-Shaped Linen Sofa with Sleeper Bed, and a mattress that folds away. This multifunctional piece is ideal for homes with a limited space or guests who are often in the home. This grey microfiber pick comes with a queen-sized innerspring bed and enough room to comfortably accommodate up to four or three people. It also has an under-chaise storage area to store blankets and throw pillows. Size and Configuration Take into consideration the size of your space and the number of guests that will use the sectional P PURLOVE Gray Sleeper Loveseat Sofa Bed: Stylish and Functional Option. This will help you decide on the correct mattress size, which ranges from twin to King. The frame of a sofa bed sectional could also make a significant difference. It should be constructed from wood that has been kiln dried or furniture grade plywood to ensure that it lasts. Avoid metal frames as they may rust and are not strong enough to support mattresses.