Adults only (18+)

Why Do I Sweat in My Sleep? Understanding Night Sweats and Their Causes

Sweating during sleep, often referred to as night sweats, can be uncomfortable and disruptive to rest. While occasional sweating at night can be normal, frequent or intense night sweats may indicate underlying issues. Understanding the possible causes helps identify whether you need to seek medical advice or make lifestyle adjustments.

Common Causes of Night Sweats

One of the most common reasons for sweating during sleep is a warm sleeping environment. Overly heavy bedding, warm pajamas or a hot room can cause your body to overheat, triggering sweating to cool down. Hormonal changes, particularly during menopause, can also cause night sweats. Fluctuating levels of oestrogen affect the body’s temperature regulation, leading to sudden warmth and sweating.

Medical Conditions Linked to Night Sweats

Certain infections such as tuberculosis or HIV, as well as chronic illnesses like hyperthyroidism or diabetes, can cause excessive sweating during the night. Some cancers, including lymphoma, are also associated with night sweats. Medications like antidepressants or steroids may have sweating as a side effect.

Stress and Anxiety

Emotional factors such as stress and anxiety increase the body's production of stress hormones like adrenaline, which can raise body temperature and provoke sweating even during sleep.

When to See a Doctor

If night sweats are persistent, severe or accompanied by other symptoms such as unexplained weight loss, fever or fatigue, it is important to consult a healthcare professional for a thorough evaluation.

Managing Night Sweats

Maintaining a cool bedroom, wearing breathable sleepwear and using lightweight bedding can reduce sweating. Managing stress and avoiding spicy foods, caffeine and alcohol before bed may also help.

In Summary

Sweating in your sleep can result from environmental factors, hormonal changes, medical conditions or stress. Identifying the cause and adjusting your sleep environment or seeking medical advice ensures better sleep and health.