First they invaded our factories, and now it's our hotel rooms. Is nowhere safe from the robots? In truth, Ibis' upcoming Sleep Art project is very slick, even if it smacks of robot voyeurism. Ibis hotels in Berlin, London and Paris will let 40 successful applicants sleep on beds that each have 80 sensors translating movements, sound and temperature into truly unique acrylic paintings by robotic arms connected through WiFi. You don't have to worry t