Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the 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.
This tweet contains emotions: 
fear, pessimism