Wake up at 1 o’clock in the middle of the night has little to do with problems with the organs, the causes of easy awakening at night are overwork, insomnia, sleep apnea syndrome and so on. 1. Overwork: recent excessive pressure, often mental stress, bad mood, excessive exercise before going to bed, mental work, etc., will affect the stability of sleep. It will get better after rest and relaxation. 2. Insomnia: Insomnia will have difficulty in maintaining sleep, which is a psychosomatic disease and has little to do with organ problems. Insomnia occurs in relation to stress factors and poor coping with sleep. 3. Sleep Apnea Syndrome: The presence of sleep apnea leads to a decrease in blood oxygen saturation, causing easy awakening during sleep. The above are only some of the common causes. If the symptoms persist or recur, you should consult a doctor. After a clear diagnosis, follow the doctor’s instructions to standardize the treatment.