& Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; is now home life more diverse, format diversification, the pursuit of characterization, like our single sofa bed size is a typical example, a single sofa bed a bit trying to modify the size of a big point, and some need to be single sofa bed size piecemeal point, no matter how Changing a single sofa bed that can be counted as either bed, and can be counted as a sofa, it is a multi-functional home furnishing products at single sofa bed size height is preferably between 35-42 cm, which is about equal to the height of human leg too high or too low dimensions are not conducive to human muscle relaxation, and prolonged use can lead people to physical pain. Single Sofa bed size seat depth should be between 48-55 cm and a height single sofa bed size should backrest throughout abutment between 68-72 cm in the scale of the human body is the most gentle. , And single sofa bed size armrest height should be between 62-65 centimeters. & Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;