1. The head of the bed should have a backer, which means that the head of the bed should be against the wall. This wall should not have windows or doors. 2. It is not good to open the door and rush straight into the bed, as it will make the sleeper uneasy. 3. It is best to be able to see the person who opens the door and come in from the bed, and do not turn your back to the door. 4. It is not good if there is a toilet next to the head of the bed. The door of the toilet cannot be used to press the bed. If you press the bed, your head will hurt and your feet will hurt when you press the bed. 5. There should not be a mirror, TV or computer in the bedroom, and it should never be facing the bed. 6. It is forbidden to have beams above the bed area. This is the most likely way to feel like a ghost is pressing down on the bed.