of the original to shades of guilt and accountability and Pacino's increasingly bleary and hallucinatory perspective becomes an evocative metaphor for his struggle." Novelization Robert Westbrook adapted the screenplay to novel form, which was published by Onyx in May 2002. References External links 2002 films 2002 psychological thriller films Alcon Entertainment films American police detective films American psychological thriller films American remakes of Norwegian films Fictional portrayals of the Los Angeles Police Department Films directed by Christopher Nolan Films scored by David Julyan Films set in Alaska Films shot in Alaska Films shot in Vancouver Insomnia in film Warner Bros. films Films distributed by Disney 2000s English-language films 2000s American films