Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: also i had an awful nightmare involving being sick where worms were involved i was so disgusted when i woke up
This tweet contains emotions: 
disgust, fear, sadness