An unusual idea but to some an ingenious one. A clear glass divider between a hotel bedroom and bathroom is an absolute must for some and if it's not your cup of tea, all that's required is the flick of a switch and the glass fogs to create a wall.
Lighting Ideas / notice how an artificial ceiling has been dropped so the timber wall feature goes up to the real ceiling & the light diffuse gently downwards / wall panels are great for concealing electrics House with piano 32
It would be great to conceal a his and her walk in wardrobe behind the bed head and bathroom respectively. The mirrored window above the bed could act as a window to the next secret room that only reveals itself when the light turns on