Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: Insomniacs can't get sleep cuz they are too guilty about all the horrible shit they do. I'm a complete sociopath n sleep like a baby.
This tweet contains emotions: 
disgust