It took 4 and a half hours to assemble. 
The instructions are adequate. 
You can do it alone for 70% of the process. 
The final steps are a bit tricky. 
The final product looks exactly like the picture. 
However, the storage space, your items will be on the floor not on a false bottom like many sofa bed/chaise long storage units. Also, the mattress isn't secure, it is sitting on top and can move around if pushed. Advantage is that it is easier to make the bed. Satisfied