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: Why is it when you nap during the day you are so comfortable but sleeping at night you'll never be as comfortable #nightmare
This tweet contains emotions: 
disgust, sadness