1. Often wake up 1-2 hours earlier than usual, and find it very difficult to fall asleep again after waking up.
2. After going to bed, I just can't fall asleep, and even if I do, I wake up easily.
3. Often have nightmares, feel panic and unease, and wake up in the morning feeling tired, weak, anxious and irritable.
4. Usually, I don't know why I always feel palpitations, restless, and can't sit still.
5. The pressure of studying often makes me feel very annoyed, and I hate studying.
6. When reading books or newspapers, or even in class, I cannot concentrate. Often, I don't even know what I'm thinking about.
7. When encountering unpleasant things, I tend to remain silent for a long time and talk little.