nah its not a bathroom.. those tiles are a preventative measure to stop people form banging thier heads thorugh the wall to psych themselves up before a lift.
too many side efects dude unless u kno what u doing but still u gona have some i just dont want to see you go down that road like some ppl i know
i had a friend that used them and died from it because his bouth kidneys failed to function im not here to preach to u but just be careful man