Sleepless (2001)

An elderly and retired police detective and a young amateur sleuth team up to find a serial killer whom has resumed a killing spree in Turin, Italy after a 17-year hiatus.

Genres: Horror, Mystery, Thriller

What to watch after Sleepless

• Four Flies on Grey Velvet (1971) — Same subject: decapitation, serial killer
• The Stendhal Syndrome (1996) — Dario Argento directed both
• The Church (1989) — Dario Argento and Franco Ferrini wrote for both
• The Cat o' Nine Tails (1971) — Same subject: serial killer, whodunit
• Demons 2 (1986) — Dario Argento and Franco Ferrini wrote for both
• Torso (1973) — Same subject: murder, serial killer