DIY wall bed mechanism kit

If you live in a small one-bedroom or studio apartment, chances are that any opportunity to create more living space would be jumped on quickly. In that case then, how about having a bed that can be lowered from the wall so that you can have more space when needed? A DIY wall bed mechanism kit, when properly installed, creates a Murphy bed that, when not in use, is vertically mounted onto your wall and kept out of your way.
DIY wall bed mechanism kit:

DIY wall bed mechanism kit pictured: Fold Down Bed Mechanism Vertical Mount – Queen (86 – 5/16” High X 63-7/8” Wide) by Rockler