Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: I think 'Sleep' is my favorite from How did we get so dark?, maybe because I'm insomniac
This tweet contains emotions: 
joy, love, optimism, sadness