The function of mirror in geomantic omen is mainly used to reflect evil spirits, fight against evil spirits rushing in and avoid being destroyed by evil spirits. If there are mirrors on both sides of the bedroom, it will be bad. In addition to affecting health and marital feelings, it will also affect wealth and children. Especially at the end of the bed, don't hang a mirror. If you want to install a mirror in the bedroom, you'd better install it in a hidden place.
From a practical point of view, people who get up at night are prone to a little accident when the mirror is facing the bed, especially the big mirror. For example, when people get up at night, they are in a daze and the lights are dim, so they are easily scared by themselves in the mirror. If people are sober, they think they hit someone at most, and may even say "I'm sorry"; But in case people get confused and think they have met a ghost or something, they will be intimidated by themselves.
In addition, installing a mirror in the bedroom will make the bedroom look more spacious, and once the bedroom is big, it will make people feel insecure. Especially the wall mirror facing the window will make the bedroom look brighter, which actually adds loneliness and emptiness to the room.