Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: I know this is going to be one of those nights where it takes an Act of God to fall asleep.  #restless
This tweet contains emotions: 
pessimism, sadness