These customs and practices are rooted in ancient times, and ancient people tried to find the connection between their environment, the surrounding nature, the reason and meaning of phenomena, and paid great attention to observing and connecting animate and inanimate objects, events, and incidents. , is believed to be caused by time consumption. Interestingly, there are similarities between many customs, peoples of many countries and people of different religions. For Mongolians, it is not possible to place a bed facing the door because the felt house is circular, and it cannot be denied that this was considered by our wise and wise ancestors. The people of the ancient Scandinavian countries have long refrained from sleeping with their feet facing the door and still do. The ancient Indians and Europeans divided the world into 3 parts, the first part, the outer environment full of unknown things, dangers and horrors, which is the first part and the second part is Midgar surrounded by Udgard, the home where people live, and the third part is the Gods. The country was considered to be Asgard. Therefore, they considered their home to be Midgar, protected from Udgard by walls and doors, but they considered the door as the entrance to the outside world and the other world, and they were forbidden to sleep with their feet facing the door when they slept. When a person sleeps, the soul separates and goes to another space, and the spirit that is separated from the body goes directly through the door, and it is difficult to return, and it is considered very cautiously. But it is believed that when a dead person is kicked out, the spirit goes directly to its destination. When a person sleeps and where he sleeps, it is a person's interest, but it is worth remembering the saying "The front is the bottom".