A master bedroom in interior design typically refers to the largest bedroom in a home, which is usually reserved for the homeowner or primary resident of the house. It is usually the most luxurious and spacious bedroom in the house, a typically features a large bed, a dresser, a vanity, a nighstand, and sometimes a sitting area with a chair or sofa. The design of the room typically reflects the personal preference of the homeowner and can range from traditional to modern.