There are many benefits of having designer bedroom set for interior of the room. The first benefit is that you get perfection in form of set, you do not feel that the color is odd or the material is low quality because the designers are known for using the high quality wood for the furniture. It's not about the furniture alone or the design that they offer, it's also about their reputation and the fame of the brand which they don't want to spoil, so they take best precautions when they design furniture sets for their customers.
Another benefit of having a designer bedroom set is that you do not have to decorate anything with extraordinary details. If you are already getting a headboard with the bedroom furniture that the chances are that the headboard has some art besides having some compartments and shelves for placing decorative items, you just need to hang some good curtains that's it, your interior will look complete.