The 'Trans Dream' sleep experience lab is sited in Beijing. The original building is a traditional Chinese Siheyuan. The concept of this project is around the topic of 'Transformation'. The design concept of the project consists of two inspiration ideas: “In dream with the butterfly” and “Lattice makes intersections”. By analysis from the questionnaire, most people rely on their own regulation of rest and some relaxing things to improve sleep, only a very small number of people will seek medical treatment and take medicine. It shows that the public's understanding of sleep is still relatively lacking. Therefore, there are four aspects need to be transformed, they are the thinking of sleep, how to improve sleep, sleep treatment and sleep environment.