Viewers generally appreciate 'Insomnia' for its intense psychological depth and strong performances, particularly from Al Pacino and Robin Williams. The film's exploration of moral ambiguity and the psychological manipulation between characters stands out, creating a compelling narrative. However, some find the plot somewhat predictable and feel that other actors are underutilized, which might detract from the overall experience for those expecting a more complex or action-packed thriller.

👍 Brilliant performances by Al Pacino and Robin Williams.

👎 Some may find the plot predictable.