Small rooms can feel cramped and uninviting. That's why standard hinged doors don't work well in them. A hinged door takes up valuable space, blocks light and views and acts as an obstacle when left open. Sliding doors, on the other hand, can offer a small room many important benefits. 1. They Let in More Light Small rooms have less space for windows. This means they can be gloomy during the day because they receive less natural light.