What is the saying that sleeping head faces east and feet face west?

You can't sleep with your feet facing west and your head facing east. The problem of sleeping position is a folk saying. Many people think that the magnetic field is north-south, so people should conform to the magnetic field when sleeping. Others think that the earth turns from west to east, so you can't turn your feet from west to east.

There is a folk saying that when people sleep, if they sleep north and south, they will follow the earth's magnetic field, otherwise, they will cause insomnia and lead to a decline in sleep quality. So is this really the case?

First of all, if we analyze the earth's magnetic field, the north-south magnetic field of the earth is not accurate, and there is still a certain inclination. So even if you think you are sleeping in the south, you are not necessarily stuck in the earth's magnetic field. And the earth's magnetic field is changing, not constant. The earth's magnetic field changes, but the position of everyone's house remains the same, and it is impossible to get stuck in the north-south direction forever. In fact, when the human body is sleeping, of course, it is best to follow the direction of the magnetic field lines. If it is inconsistent, it doesn't matter, because the role of the human body in the earth's magnetic field is very small and almost imperceptible.

In addition, some people say that the earth turns from west to east. If your feet are facing west and your head is facing east, you will feel retrograde and get carsick easily. In fact, this theory can be easily overturned. For example, when people take a bus, there will be people sitting face to face on the train. In fact, the orientation of sleeping does not make people carsick.

Then, there is no basis for saying that you can't sleep with your feet facing west and your head facing east. The orientation of sleeping is just a way of saying. Our relationship with the magnetic field should be adaptive. Under certain stable and balanced conditions, it will not have a particularly great impact. In life, there are actually many factors that affect the quality of human sleep. Only in the case of very strong changes, the human body will feel uncomfortable, such as jet lag, or when moving and changing bedding, instead of thinking about the magnetic field, it is better to think about your own problems from your own point of view and improve the quality of sleep. That's all that matters.