Task: Evaluate the tweet for emotional cues 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 indicate the tweeter's state of mind.
Tweet: Fun tidbit: You can fall asleep on someone while dancing. #blues #latenight
This tweet contains emotions: 
joy, optimism