This research examined staying behaviors in streets at midnight in Shibuya area, and evaluated sitting sensation of the outdoor elements continuously from 16:00 till 5:00 on the next day. The investigated results are summarized as follows.- The number of sitting people in the streets increased most at 23:00, and the sitting people's ratio to the people on the streets was the highest around 3:00 a.m. It was observed that people converted various interspaces produced by reduction in traffic or closing of shops into the comfortable staying spaces.- The outdoor elements evaluated that people could sit and talk or eat increased continuously from 23:00 to 5:00, and the elements evaluated that they could do such behaviors comfortably increased most at 23:00.- The possibility of supporting midnight staying behaviors based on the investigation and the interview was examined. It was considered effective to change the diversity steps close to the streets to the seating elements.
