Patients often stay up late because of the factors that cause bleeding conditions to occur. Staying up late can cause a decrease in immunity and endocrine dysfunction, and may also cause patients to become inflamed. These factors may cause dryness of the nasal mucosa or a certain degree of congestion and swelling, which can easily lead to nosebleeds. Staying up late is only one of the possible triggering factors for nosebleeds. Patients may also be affected by a variety of other causative factors, including excessive smoking and drinking, eating too much spicy and stimulating food, drinking too little water, insufficient vitamin intake, exposure to excessively dry or polluted air and so on. Therefore, patients with recurrent nosebleeds need to pay attention to further detailed examination, analyze the cause of the disease, and take targeted treatment and improvement measures.