We know that the earth is a giant magnetic field, the magnetic induction line from the arctic to the Antarctic.So people during sleep, can take south head, foot posture toward the north, because the earth's magnetic field of magnetic induction line smoothly through the human body, is the interference of human body, is beneficial to improve the quality of sleep,

About sleep towards, in ancient times is already talking about "qiu dong to the west" point of view, such as "daughter, s dowling raises a gender," said: "east mortals lie, spring and summer, autumn and winter to the west", "honest constant words" lead "ji yu algae" : "the first east every lie, spring and summer, autumn winter first appropriate to the west".Because of spring and summer to Yang, the head should lie down toward the east;Autumn and winter belong to Yin, the appropriate head west lie, in "Yang chun xia qiu dong Yin" principle.

Experts point out that sleeping towards influence people sleep, if you want to own better quality of sleep, the bedroom also can put some flowers, can improve the air in the bedroom, improve sleep quality.