What are the main reasons for nosebleeds when sleeping less?

Nov 24, 2022 Source: Cainiu Health
Disease description:

I started having a nosebleed last night while sleeping, and I don't know what caused it. Could you please tell me the main reasons for frequent nosebleeds during sleep?

Doctor's answer (1)
Dr. Wang Mingxuan
The main reasons for nosebleeds with little sleep may include non-disease factors such as changes in temperature and humidity, or external forces. They could also be caused by disease-related factors such as trauma, nasal disorders, cardiovascular diseases, or blood disorders. After taking measures to stop the bleeding, patients should promptly visit the emergency department or an otolaryngology (ENT) clinic at a正规 hospital for evaluation and diagnosis by a physician.