Its next to the bed and in that case there is a wooden door.

Let me try to explain:
You come in the room, you have room to put down on the ground a suitcase and then you have the bed.
Turn right and then you will see for 1/2 of the length of the space the toilet and sink closed with a wooden door and for 1/2 of the length of the space the shower with a glass door. So if you are in bed you have full visibility on the shower. (If you are familiar with the W concept of Starwood its the kind of the same)
But your not far off with the prison cell.