I never would have thought to hang curtains this way, but I think it looks beautiful and the double layers would really block out light in a bedroom for when people work nights and sleeps days. Wonder how it'd look on smaller windows?
30 Bay Window Decorating Ideas Blending Functionality with Modern Interior Design
A good treatment to do when you have windows on either side of the bed- frames it. It does seem rather formal & traditional with the clean lined headboard though.The roman shade provide privacy & sun control.