Because, most of your usual class activities are in the school classroom and campus, and most of your time in the dormitory is sleeping. The most important thing is to do a good job in the hygiene of the dormitory, keep it clean and tidy, and try to avoid humidity.
2. after reading your picture, your bed is only near the bathroom, not the bathroom, so there is no big problem in geomantic omen. But because it is close to the bathroom, we should pay more attention to the hygiene beside the bed.
If you can, put a small potted plant with wide leaves in the field near the door by your bed, and the problem will be solved.