Geriatrics·Geriatrics
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Night sweats are episodes of heavy sweating that happen while you sleep, often soaking through your clothes or bedding. This is not just feeling a little warm from too many blankets.
Key facts
Night sweats are fairly common in older adults, but they are not something you should just accept. Many people experience them at some point.
Night sweats can affect anyone, but they are more common in older adults, especially those with certain medical conditions or taking certain medicines.
Your doctor will ask about your symptoms, medical history, and any medicines you take. They may also do a physical exam.
The doctor may ask questions about your night sweats – how often, how severe, whether you have other symptoms. They will work with you to find the cause. It may take a few visits.
Treatment for night sweats depends on the cause. If an infection is causing them, treating the infection will often stop the sweats. If medication is the cause, the doctor may adjust the dose or switch to another drug. Hormone therapy may help in some cases.
If a specific condition is found, your doctor will treat that condition. For example, infections are treated with antibiotics or antivirals. Hormone imbalances may be treated with hormone therapy. Never take over‑the‑counter remedies for night sweats without talking to your doctor.
If you have night sweats, try to keep a change of clothes and a towel by your bed. Use a waterproof mattress protector. Keep a fan nearby.
A balanced diet and regular exercise can help regulate body temperature and reduce stress, which may help with night sweats. Avoid heavy meals close to bedtime.
Night sweats can be stressful and disrupt sleep, leading to tiredness and mood changes. It's important to talk about your feelings and seek support if needed.
It is not always possible to prevent night sweats, but you can reduce your risk by staying at a healthy weight, treating underlying conditions, and avoiding triggers.
Vaccines against infections (flu, pneumonia, etc.) may reduce the risk of night sweats from those illnesses. Ask your doctor which vaccines are right for you.
Regular health checkups can help detect conditions that may cause night sweats, such as diabetes or thyroid problems.
For many people, night sweats go away once the cause is treated. Even when the cause is serious, early diagnosis and treatment often lead to good outcomes. Your doctor will work with you to find the best plan.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
Surgery is rarely needed for night sweats themselves. It may be needed to treat an underlying condition such as a tumour or an infection that requires drainage.