Please analyze the tweet "Body is sleepy but the mind is active. So sad... Have to get ready for work in 30 minutes. Damn!" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anger, disgust, pessimism, sadness