When placing the sofa, the back of the sofa where the owner sits should be close to the wall; it is best to have an empty wall;
When placing the sofa, the back of the sofa where the owner sits should be close to the wall. On the sofa, your face should be facing the direction of the door, which means that if someone comes in through the door, the owner sitting on the sofa can see it;
The ceiling directly above the sofa should be flat, without any horizontal Or longitudinal protruding beams;
People cannot sit or lie down on the sofa for a long time.