- Country: Italy
- Genres: Horror, Mystery, Thriller
- Release: 2001-01-05
- Director: Dario Argento
- Writers: Dario Argento , Franco Ferrini , Carlo Lucarelli
- Language: English | Italian
- Stars: Max von Sydow (I) , Stefano Dionisi , Chiara Caselli , Gabriele Lavia , Rossella Falk , Paolo Maria Scalondro , Roberto Zibetti , Roberto Accornero , Barbara Lerici , Guido Morbello
- Runtime: 117 min
- Awards: 2 nominations
- AKA: Álmatlanul (Hungary) , Non ho sonno (Italy) , Sleepless (Australia) , Без сна (Russian Federation) , 驚悚無眠 (Taiwan) , Sleepless (United Kingdom) , Sangue de Inocentes (Portugal, Portuguese Republic) , Sleepless (Canada) , Bezsenność (Poland) , No tengo sueño (Mexico) , Sleepless (United States of America) , Uykusuz (Turkey) , Nesanica (Bosnia and Herzegovina) , Spirala straha (Serbia) , Surîpuresu (Japan) , Non ho sonno , Insomnio (Spain) , Sleepless (Brazil) , Insônia (Brazil) , Le sang des innocents (France, French Republic) , Sleepless (Germany) , Безсъние (Bulgaria) , Sleepless , Insomnio (Argentina) , Dario Argento's Sleepless (Australia) , Nonhosonno (Italy) , I Can't Sleep
- Plot:
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.
- IMDB:tt0220827
Sleepless Cast · · · ALL
Dario Argento
Director
Max von Sydow
(I)
Moretti
Stefano Dionisi
Giacomo
Chiara Caselli
Gloria
Gabriele Lavia
Avv. Betti
Rossella Falk
Laura de Fabritiis
Paolo Maria Scalondro
Manni
Roberto Zibetti
Lorenzo
Roberto Accornero
Fausto
Barbara Lerici
Angela
Massimo Sarchielli
Leone
Alessandra Comerio
Sig.ra Betti
Aldo Massasso
Cascio
Barbara Mautino
Dora (la coniglietta)
Conchita Puglisi
Amanda
Brian Ayres
Magistrato
Daniela Fazzolari
Maria Luisa
Elisabetta Rocchetti
Ragazza fast food