& Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; select a sofa bed time try to consider the practicality and style home , the other is not to blindly pursue the appearance and pattern , on the study sofa bed , try to set off the color of calm study atmosphere. There is a sofa bed dimensions must be appropriate , depending on the size of the library to choose their own , try sofa bed accounted for a quarter of the space to study . The other is to see the quality , such framework must be stable . & Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;