& Nbsp; there , because if your residence where the space is small , you can consider buying a sofa bed , of course, if there is enough space at the same time most of the time is the main bed , then it is better to directly buy the bed , because the sofa bed normal life also in three to five years . After sofa cushion becomes row , sofa legs are longer-term activities will loose even deformed. Of course, we do not rule out very good quality sofa bed , and that price is certainly not general. ,