Instead of offering someone the couch and a questionable pillow ... ready for the ultimate sleepover showdown. Pop-up trundle: Want two twin beds that magically transform into a king?

DURABLE STEEL CONSTRUCTION: Featuring an all-metal frame and steel slat support, this sofa bed frame is built ... The clean lined black finish of this twin bed with trundle bed under is versatile ...

Sleeper sofas come in a range of sizes, from loveseats or chairs-and-a-half that convert into twin-sized beds and full-sized sofas that contain queen- or king-sized mattresses. Like buying a sofa ...