If occasionally waking up at three o’clock in the middle of the night is mostly a normal physiological phenomenon, there is no need to worry excessively; if there is a regular and frequent waking up at three o’clock in the middle of the night, it mostly suggests the emergence of pathological factors, which need to go to the hospital for diagnosis and treatment in time. A, physiological factors: 1, hormonal impact: premenstrual period, perimenopause, etc., due to the decline in the body’s hormone levels, may lead to easy to wake up at night, poor sleep quality; 2, age factors: the elderly lie in bed more time, but the sleep latency period is prolonged, which can easily lead to easy to wake up, and it is difficult to fall back to sleep after waking, so that the effective sleep time of the elderly reduced; 3, emotional and psychological factors: serious life events, learning or work stress, etc., too much worry can also cause wakefulness in the early morning; 4, other: such as strong light, too noisy outside at night or the bedroom temperature is too low, too high, etc., are prone to cause night wakefulness. Second, pathological factors: If the frequent occurrence of three waking up, can be considered due to disease factors, commonly caused by internal diseases such as coronary heart disease, congestive heart failure, chronic renal failure, diabetes, neurological diseases such as dementia, Parkinson’s disease, familial insomnia, etc., can also be seen in depression, schizophrenia and other mental illnesses. If you wake up early in the morning and have difficulty falling asleep again for a long time, you can take medication to help you sleep under the guidance of your doctor. If there are other accompanying symptoms after waking up early, such as heavy sweating, flushing, panic, shortness of breath and difficulty in breathing, you should go to the hospital for a detailed examination to determine whether there is any organic disease in your body.