The hybrid system: A mix of the two sofa mechanisms, this consists of pulling, folding, or sliding a frame out to transform the sofa into a mattress. One example is, the bottom on the Post Nordby Pep Sofa Mattress slides out and much more cushions carry to create the sofa https://dining-room-chairs-rattan80985.blogs-service.com/62029429/5-tips-about-sofa-beds-you-can-use-today