The Science of Sleep (2006)
Edited from the same footage and deleted scenes
poster in Stéphane's room
piano in staircase, Stefan name.
Christy mentions that Michel Gondry directed the film
Amanda Seyfried's #3 Favorite Film.
nightmarish scene at work where Stéphane sits at his desk (which is stacked high with piles of paper) then his hands increase in size until he can't work