How about sleeping with your head facing east?

It is best to sleep with your head facing east. Due to the influence of the earth's magnetic field, the earth's magnetic field lines can pass through the body smoothly, reduce the influence of the magnetic field lines on the human body, reduce the metabolic rate, unblock the blood and reduce energy consumption.

In the blood circulation system of human body, aorta and great vein are the most important, and their direction is consistent with the direction of human head and feet. When the human body sleeps in the north-south direction, the direction of aorta and great vein, the direction of human body sleeping in the north-south direction and the direction of the earth's magnetic field lines are the same. At this time, people are most likely to fall asleep, and their sleep quality is also high, with their heads facing east.

Extended data:

The direction of sleep is quite important. Chinese medicine says that the human body should "stand pulse" and "stand qi" during sleep. This "standing" actually means that the direction of qi pulse in the body is consistent with nature, so that blood vessels will be unobstructed. The terrain of our country is high in the west and low in the east. Along the mountain and water potential, the direction of airflow is northwest to southeast. Therefore, when people sleep, their heads face east and their feet face west, so that the qi pulse of the human body is consistent with nature.

References:

Baidu encyclopedia-geomagnetic field