What's the name of the traditional bedroom in Korea?

Tatami was introduced to Japan, South Korea and other places from the prosperous Tang Dynasty, and it was the material for laying the floor in the traditional bedroom "harmony room" in the prosperous Tang Dynasty. After it was introduced into Japan, it evolved into the floor material of its traditional room "harmony room" and became the place where Japanese families used to sleep-Japanese bed. The Chinese character "tatami" is written as "stack" The area of one tatami is 1.65 square meters, and that of ten stacks is 16.5 square meters.