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: I seem to alternate between 'sleep-full' and sleepless nights. Tonight is a sleepless one. 😕 #insomnia  #notfair
This tweet contains emotions: 
disgust, sadness