It is also well understood in science. The scientific explanation is that the sun rises and sets in the west, and the earth rotates from east to west. If people sleep with their heads facing west, it is easy to cause blood to rush to their ears for a long time. Therefore, it is very necessary to design the position of the bed in the space where conditions permit.
The best method is the design of tatami or platform, not the whole bed or finished bed. The design of tatami can make the space more flexible, which is based on the rational use of the function and storage of the space to form a space with rich activities.
The best choice of bed is north-south direction, vertical direction and geomagnetic attraction. Sleeping with your head facing south or north is good for your health. In human blood circulation system, aorta and great vein are the most important, because their flow direction is consistent with the direction of human head and feet. When the human body faces north and south, the direction of aorta and great vein, as well as the direction of human body, are consistent with the direction of magnetic field lines between north and south of the earth.