Follow our simple guide, and choosing the right sofa bed will be easy. 1. Mark out the size of the sofa bed with either newspaper or masking tape to see how it will fill the space and work with your existing furniture. 2. Move it around to try alternative layouts. 3. Make sure that there is enough room to fully open the bed. 4. Order Fabric Samples to see and feel the leathers and fabrics you like in your own home.