Night sweats usually improve with a combination of bedroom adjustments, lifestyle changes, and, when needed, treatment for the underlying cause. The fix depends on what’s driving them: sometimes it’s as simple as lowering your thermostat, and sometimes it signals a hormonal shift or medication side effect that needs attention. Here’s how to tackle night sweats from every angle.
Start With Your Sleep Environment
Your bedroom temperature is the single easiest variable to control. Sleep experts at the Cleveland Clinic recommend keeping it between 60 and 67°F (15 to 19°C). Anything above 70°F is considered too warm for quality sleep and can trigger or worsen sweating episodes, even in people without an underlying medical cause.
Beyond the thermostat, your bedding matters. Sheets made from cotton, bamboo, or other breathable fabrics wick moisture away from skin more effectively than synthetic materials. The same goes for sleepwear: lightweight, loose-fitting, moisture-wicking clothing lets heat escape instead of trapping it against your body. If you share a bed, separate blankets can help since each person generates heat differently.
A fan circulating air across your skin accelerates sweat evaporation, which is the body’s actual cooling mechanism. Some people find that a cooling mattress pad or pillow with gel inserts makes a noticeable difference, especially during warmer months or hormonal transitions like perimenopause.
Identify What’s Triggering Them
Night sweats aren’t a condition on their own. They’re a symptom, and the list of possible causes is long. Working backward from the trigger is the most effective way to stop them for good.
The most common culprits fall into a few categories:
- Hormonal changes. Declining estrogen during perimenopause and menopause is the leading cause in women. In men, low or shifting testosterone levels can disrupt temperature regulation in a similar way. An overactive thyroid gland increases metabolism and heat production across the board.
- Medications. Antidepressants are a frequent offender. One primary care study found that about 22.5% of patients taking SSRIs reported night sweats. These drugs alter serotonin levels in the brain, which influences both mood and the body’s sweating response. Blood pressure medications, hormone therapies, and some diabetes drugs can also contribute.
- Blood sugar drops. Insulin controls blood sugar, and if levels dip too low overnight, your body responds with a stress reaction that includes sweating. This is worth considering if you take diabetes medication or tend to skip evening meals.
- Infections. Tuberculosis, HIV, endocarditis (an infection of the heart’s inner lining), and even mononucleosis can produce drenching night sweats, usually alongside fever, chills, or fatigue.
- Certain cancers. Lymphoma, leukemia, and some rare tumors can cause night sweats, though they’re rarely the only symptom. Unexplained weight loss, easy bruising, or persistent fatigue alongside night sweats raises the concern.
- Stress and anxiety. Your adrenal glands release cortisol and adrenaline under stress, raising heart rate and body temperature. Chronic anxiety can keep this system activated at night.
Cut Dietary and Lifestyle Triggers
Alcohol is one of the most overlooked causes of night sweats. It dilates blood vessels near the skin’s surface, which dumps heat and triggers sweating as your body metabolizes it. Even moderate drinking in the evening can disrupt your body’s overnight temperature regulation. Cutting back or moving your last drink earlier in the evening often produces a noticeable improvement within days.
Caffeine has a similar, subtler effect. It stimulates your central nervous system and can raise core body temperature, especially if consumed in the afternoon or evening. Spicy foods work through a different mechanism, activating heat receptors that trick your body into thinking it needs to cool down. Neither needs to be eliminated permanently, but tracking whether your sweats correlate with these triggers helps you figure out what to cut.
Regular exercise improves thermoregulation over time, but timing matters. Intense workouts within two to three hours of bedtime raise your core temperature right when it should be dropping. Morning or early afternoon exercise gives your body time to cool before sleep.
Menopause-Related Night Sweats
If declining estrogen is the root cause, the options range from lifestyle changes to prescription treatments. Hormone replacement therapy remains the most effective approach, but it’s not right for everyone, particularly those with a history of certain cancers or blood clots.
For people who can’t or prefer not to use hormones, several non-hormonal medications have solid evidence behind them. Certain SSRI and SNRI antidepressants, used at lower doses than those prescribed for depression, reduce hot flash frequency by 24% to 69% in large clinical trials. Gabapentin, a nerve-pain medication, has been shown to cut hot flash frequency by about 54%. Oxybutynin, typically used for bladder issues, produced reductions of 70% to 86% in clinical trials.
A newer class of medication works differently. Fezolinetant, approved by the FDA at a dose of 45 mg once daily, targets a specific signaling pathway in the brain’s temperature-control center. In trials, it reduced hot flash frequency by 93% at 12 weeks, compared to 46% for a placebo. This is a meaningful option for people who haven’t responded well to older treatments.
Medication-Related Night Sweats
If your night sweats started or worsened after beginning a new medication, that’s a strong clue. SSRIs are the most well-studied culprit, but the list also includes other antidepressants, steroids, and some pain medications. The mechanism is straightforward: these drugs change brain chemistry in ways that affect the body’s internal thermostat.
Stopping a medication on your own isn’t safe, especially with antidepressants that require gradual tapering. But knowing the connection gives you a concrete thing to discuss with your prescriber. Options typically include adjusting the dose, switching to a different medication in the same class, or adding a low-dose treatment to counteract the sweating.
Stress and Anxiety Management
When stress hormones are the driver, the sweating tends to be lighter but persistent, sometimes accompanied by a racing heart or restless sleep. Cognitive behavioral therapy has the strongest evidence for breaking the cycle, particularly CBT adapted for insomnia, which addresses both the anxiety and the sleep disruption that feeds it.
Practical relaxation techniques before bed, such as slow breathing exercises or progressive muscle relaxation, lower cortisol and adrenaline levels enough to reduce sweating in many people. These aren’t a substitute for treating an anxiety disorder, but they work well for general stress-related sweats.
Red Flags Worth Acting On
Most night sweats are annoying but benign. A few patterns, however, signal something more serious. Drenching sweats that soak through your sheets regularly, combined with any of the following, deserve a prompt medical evaluation:
- Unintentional weight loss you can’t explain through diet or exercise changes
- Persistent or recurring fevers
- Easy bruising or unusual bleeding
- Constant fatigue or malaise that doesn’t improve with rest
- Swollen lymph nodes in your neck, armpits, or groin
In lymphoma specifically, the combination of fever, drenching night sweats, and weight loss is associated with a worse prognosis, making early detection important. A recent travel history is also relevant, since infections like malaria, tuberculosis, and certain fungal diseases can present with prominent night sweats weeks or months after exposure.