Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent 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