What causes night sweats?
Nov 10, 2025
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Night sweats may be caused by hot and stuffy environments, anxiety, hyperthyroidism, menopausal syndrome, tuberculosis, or other conditions. They can be improved by adjusting the environment, managing emotional health, medication, and other treatments. If night sweats occur frequently or are accompanied by low-grade fever and fatigue, prompt medical attention is necessary. High sleeping temperatures or wearing thick, non-breathable clothing can hinder the body's ability to dissipate heat, leading to night sweats and damp skin upon waking.
Night sweats may be caused by hot and stuffy environments, anxiety, hyperthyroidism, menopausal syndrome, tuberculosis, and other conditions. They can be improved by adjusting the environment, managing emotions, and medical treatment. If night sweats occur frequently or are accompanied by low-grade fever and fatigue, prompt medical attention is recommended.
1. Hot and Stuffy Environment: High room temperature during sleep or wearing thick, non-breathable clothing can hinder body heat dissipation, leading to night sweats and damp skin upon waking. It is recommended to adjust bedroom temperature to 20–24°C, choose loose, breathable sleepwear, and reduce the thickness of bedding.
2. Emotional Anxiety: Prolonged mental stress and anxiety can disrupt nervous system regulation, resulting in increased sweating at night, often accompanied by insomnia and palpitations. It is advised to relieve stress through meditation or listening to music, avoid excessive thinking before bedtime, and maintain emotional calmness.
3. Hyperthyroidism: Excessive secretion of thyroid hormones accelerates metabolism and increases heat production, causing night sweats, along with symptoms such as palpitations, hand tremors, and weight loss. It is recommended to take medications such as methimazole tablets, propylthiouracil tablets, and propranolol tablets under a doctor’s guidance to alleviate symptoms.
4. Menopausal Syndrome: Declining ovarian function in women leads to hormonal fluctuations and autonomic nervous system dysfunction, triggering night sweats, hot flashes, and insomnia. It is recommended to use medications such as nilestriol tablets, oryzanol tablets, and Kuntai capsules under medical supervision to improve symptoms.
5. Tuberculosis: Infection with Mycobacterium tuberculosis induces inflammatory responses in the body, leading to night sweats, often accompanied by low-grade fever, cough, and fatigue. It is recommended to use anti-tuberculosis drugs such as isoniazid tablets, rifampicin capsules, and pyrazinamide tablets under a doctor’s direction to manage symptoms.
For daily care, ensure good bedroom ventilation, wear breathable clothing, avoid alcohol and coffee before bedtime, change clothes regularly, and maintain clean skin to help reduce night sweats.
