The main reason is that after turning off the lights at night, Yin Qi hit the light beam and changed the direction of airflow. Depending on where you press it, it will lead to problems or lesions after a long time.
The influence of beam pressure on geomantic omen is that if you sleep on a beam bed for a long time, your physical fitness will gradually deteriorate. After sleeping for four to five years, your luck will gradually fade, you will encounter unfavorable things, and your luck will be blocked in all aspects.
Solution: draw a symbol on the beam, or hang a copper coin to stop evil.