Waking up at three o’clock every day has nothing to do with cancer. First of all, the human body’s sleep is determined by the biological clock in the brain, and a normal person’s sleep time is about 6-8 hours, that is, he/she goes to sleep at 10:00 p.m. and wakes up at 6:00 a.m. or 7:00 a.m. the next day. Under normal circumstances, people may occasionally wake up once or twice in the night, but if they are more anxious or nervous, the number of times they wake up in the night may increase. Secondly, cancer is a condition in which the balance between oncogenes and oncogenes in the human body is disturbed, resulting in the development of tumors in a certain part of the human body, as well as possible metastasis to lymph nodes and distant metastases. Cancer needs to go to the hospital for further examination of abdominal CT, or gastroscopy, enteroscopy, and pathology to further clarify the diagnosis. So the two are not related at all.