What is the reason for waking up at 4am every morning

Waking up at 4:00 a.m. every day is considered to be caused by biological clock dysfunction. Biological clock dysfunction can be caused by functional reasons, but also can be seen in organic diseases, such as sleep disorders, other systemic diseases.
1. Functional reasons: when the endocrine hormone level disorders can cause sleep rhythm abnormality, appear every day at 4:00 a.m. waking up, mostly seen in menopausal patients. This situation is a functional lesion.
2. Sleep disorders: anxiety, depression patients due to emotional stress, overthinking is prone to sleep disorders, and wake up at 4:00 a.m. every day. This situation is organic disease, need to consult a doctor in time.
3. Systemic other systemic diseases: such as prostate hyperplasia, early symptoms are mainly increased nocturia, with the aggravation of the condition, frequent urination symptoms will become more and more obvious. Patients with increased nocturia often get up at night and may wake up at 4 a.m. every day.
When the situation of waking up at 4 a.m. every day, it is recommended that the patient go to a regular hospital neurology, psychiatry and other related departments, under the guidance of a professional physician to improve the relevant examination to clarify the cause of the disease, and to be treated accordingly to improve the symptoms.