As a medical expert with a focus on sleep disorders and physiological responses, I've often been asked about the causes of cold sweats while sleeping. Cold sweats, also known as night sweats, can be quite distressing and are generally characterized by excessive sweating during sleep that can leave you feeling cold and clammy upon waking. There are several potential causes for this phenomenon, and understanding them can help in addressing the issue effectively. 1. Hormonal Imbalances: Fluctuations in hormone levels, particularly during puberty, menopause, or due to conditions like hyperthyroidism, can lead to increased sweating. The body may produce more sweat in an attempt to regulate temperature. 2. Infections: Certain infections, such as tuberculosis, can cause night sweats. The immune system's response to fighting off the infection can lead to an increase in body temperature, prompting the body to sweat. 3. Stress and Anxiety: Psychological factors play a significant role. Stress and anxiety can activate the body's fight-or-flight response, which can cause sweating. A nightmare during sleep can also trigger a cold sweat, especially in individuals with prolonged stress or anxiety issues. 4. Medications: Some medications, including those for hypertension, heart disease, and antidepressants, can cause sweating as a side effect. 5. Menopause: Women going through menopause often experience night sweats due to hormonal changes that affect the body's ability to regulate temperature. 6. Sleep Disorders: Conditions such as sleep apnea can cause night sweats. The interrupted breathing during sleep can lead to increased heart rate and sweating. 7. Cancer: In some cases, night sweats can be a symptom of an underlying cancer, particularly lymphoma. 8. Low Blood Sugar (Hypoglycemia): This can occur in people with diabetes who are taking medication to lower their blood sugar levels. A drop in blood sugar during the night can cause sweating. 9. Heart Disease: Heart conditions can sometimes cause sweating, especially during sleep when the body is at rest. 10. Alcohol or Drug Withdrawal: Sweating can be a symptom of withdrawal from certain substances, including alcohol and drugs. It's important to note that while these are common causes, the specific cause can vary greatly from person to person. If you're experiencing cold sweats, it's crucial to consult with a healthcare professional to determine the underlying cause and receive appropriate treatment. Now, let's move on to the translation of the above explanation into Chinese. read more >>

Causes of cold sweats and night sweats. The body normally produces sweat as a way to help keep cool. ... A nightmare during sleep can trigger a cold sweat, and people with prolonged stress or anxiety problems can experience sweating as a symptom.read more >>