What causes fever that occurs every night?

Jun 19, 2024 Source: Cainiu Health
Disease description:

Lately, I don't know what's going on—I always feel my body getting hot at night, even though the weather isn't particularly warm. Could I be sick? I constantly feel uneasy mentally. I'd like to ask, what could be causing this recurring fever at night?

Doctor's answer (1)
Dr. He Haochen
The reasons for developing fever at night may involve several aspects: 1. Environmental factors: Excessive room temperature, wearing too many clothes, or using overly thick blankets at night may cause the body to feel hot. It is recommended to adjust indoor temperature and clothing appropriately to maintain a comfortable sleeping environment. 2. Lifestyle habits: Engaging in excessive physical activity or experiencing high levels of emotional stress before bedtime may affect the central nervous system and lead to fever. This type of fever is usually low-grade and tends to resolve on its own. 3. Medical conditions: Certain diseases such as colds, anemia, rheumatoid arthritis, and tuberculosis may also cause nighttime fever. For example, fevers from colds may result from viral or bacterial infections, while tuberculosis is an infectious disease caused by Mycobacterium tuberculosis. Given these possible causes, it is advisable to maintain healthy lifestyle habits, including balanced nutrition, moderate exercise, and a positive mental state. Additionally, if fever persists or worsens, timely medical evaluation and treatment are recommended.