The Hourglass Sanatorium

Józef visits his dying father at a remote mental institution, where time itself doesn't seem to exist, and the line between dreams and memories becomes indistinguishable.

The Hourglass Sanatorium is a 1973 drama fantasy movie directed by Wojciech Has, starring Halina Kowalska, Tadeusz Kondrat, Jan Nowicki. It holds an IMDb rating of 7.4/10 from 6,129 votes and runs 2h 4m.