Why is the bathroom door of the hotel transparent?

Generally, the hotel room area is limited, and the transparent glass bathroom can make the room look more spacious, reduce the sense of oppression and be more comfortable.

Energy saving

Some guests don't have the habit of turning off the lights when staying in a hotel, but if the bathroom is transparent glass, sleeping with the lights on will affect the guests' sleep, which can prompt them to turn off the lights and save energy.