The peculiarity of the trundle bed is that by including two beds in the same furniture we will be able to save space in the room and our children will enjoy more space. There are also trundle beds that have the structure of a sofa bed. In that case, the lower bed would be hidden inside a drawer. And we would only take it out when we needed it. Although they may seem like modern objects, the truth is that the origin of these beds comes from the Middle Ages. Being used so that the servants could watch over the sleep of their masters.