Sleepless (2001)
Sleepless (Italian: Non ho sonno) is a 2001 Italian giallo film directed by Dario Argento. The film stars Max von Sydow and Stefano Dionisi and marks Argento's return to the giallo subgenre. The film was another box office success when it opened in Italy, taking in over $5,019,733,505 lira ($3,280,080 US) by the end of its theatrical run.
More at Wikipedia.