Review: three-hour endurance test 
Sentiment: negative

Review: it should be interesting , it should be poignant , it turns out to be affected and boring 
Sentiment: negative

Review: less charitable 
Sentiment: negative

Review: filmmaker stacy peralta has a flashy editing style that does n't always jell with sean penn 's monotone narration , but he respects the material without sentimentalizing it . 
Sentiment: positive


Review: it 's the perfect cure for insomnia .