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: Fun tidbit: You can fall asleep on someone while dancing. #blues #latenight
This tweet contains emotions: 
joy, optimism