Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: It's easy to #fall #asleep in class, but hard to in bed. #True  #whileyouweresleeping #insomnia #TeamFollowBack #RockTheReTweet
This tweet contains emotions: 
disgust, pessimism