Waking up at 3-4 o’clock in the middle of the night is early awakening, which can be seen for many reasons. In the case of young people, the change of biological clock caused by excessive staying up late can cause insomnia, and patients can have the above symptoms. It can also be caused by mental stress and excessive tension, or if the patient has neurasthenia, it can also be caused by mental illness, for example, if the patient has anxiety disorder, anxiety, irritability, panic and fear, and at the same time, headache and dizziness can occur, and it can also be manifested as sleep disorder, usually difficulty in falling asleep, nightmares during sleep, and some patients can also appear to wake up early during sleep. In the case of depression, the patient usually shows depressed mood and reduced self-evaluation ability, while dizziness and sleep dysfunction can occur, usually early awakening during sleep, or more dreaming, etc.