Please analyze the tweet "im so tired but i still have thisbhuge history test in a few minutes i cant afford to get freaked out now oh god if i have an anxiety attack" 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".
fear, sadness