& Nbsp; & nbsp; modern home furnishings advocating simple , functional furniture increasingly become a popular choice , a sofa bed is one. In the small apartment living room , in order to meet the housing needs of the occasional visitor , a sofa bed is necessary . Under normal circumstances, a sofa bed can be placed in the living room or den that serves as the seat of the function ; guests come in the evening , expand sofa bed is a bed covered with blankets . In ordinary units Sanshiliangting like , the sofa bed can also be outside the guest bedroom bed , help the owner to deal with more than the occasional visitor . Choose a suitable sofa bed is luxurious . Sofa Bed To meet sit and lie two functions must be durable and aesthetically pleasing , the material , the process should be guaranteed . & Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;