Review: while insomnia is in many ways a conventional , even predictable remake , nolan 's penetrating undercurrent of cerebral and cinemantic flair lends ( it ) stimulating depth . 
Sentiment: positive

Review: tear-jerking 
Sentiment: positive

Review: one of those terrific documentaries that collect a bunch of people who are enthusiastic about something and then figures out how to make us share their enthusiasm . 
Sentiment: positive

Review: there are some fairly unsettling scenes , but they never succeed in really rattling the viewer 
Sentiment: negative


Review: saddens