Method 1: Nail four advertisement nail on the four corners of the bedroom door. The principle ~ is to use the stainless steel plane in the advertisement nail to reflect the so-called bad brake air in the bathroom through the stainless steel mirror, so as to achieve the so-called function of eliminating brake air.
Method 2: Hang a bead curtain on the sleeping door. Principle ~ this is all reflection, strictly speaking, it should be diffuse reflection. You should try to shine a flashlight on the bead curtain, it reflects very weak light.
Method 3: Hang potted plants in the bathroom. Principle ~ Plants can purify the air, thus reducing the sense of suffocation in the bathroom.
Method 4: Plant tall plants on the vertical line between the bathroom door and the sleeping door. The principle is to avoid the hedge between the door and the door, thus avoiding the conflict between the two.
Method 5: change the doorway. This is a once-and-for-all solution, with the disadvantage of "wasting money".
Summary: Always open the windows of the bathroom to make the air in the bathroom fresh, and always close the door of the bathroom to prevent the dirty air from moving around the room.