Sweating while you are sleeping is known as sleep hyperhidrosis. If it is summer season and you sleep just under a fan, then you may consider your sweating normal. If not then there are some serious issues with your body. However, most conditions that may arise are not life-threatening. Also, sweating is a way our body maintains the normal body temperature. So, there are chances that your body has no issue at all.


There are many reasons why you sweat at night. Here are some of the reasons that cause sleep sweating:


Infections are one of the primary reasons behind sleep sweating. Certain conditions like HIV, Tuberculosis, etc. show up as early symptoms. So, if you are facing sleep sweating, you must consult a doctor as soon as possible.

Medical Side Effect

This is yet another reason why you have sleep sweating. If you have been taking any medicine lately, your sweating may have something to do with it. Also, if you are taking steroids or painkillers, or you have diabetes, sleep sweating can happen. So, you can certainly avoid visiting the doctor.

Anxiety and Stress

Anxiety and stress are common causes of so many problems in our body. Most people with stress and anxiety issues face the problem of the sweating at night. There is no worry if sweating remains constant. But if you notice a gradual increase in sweating, you must consider getting checked by a doctor.

Hormonal Imbalance

When your hormones go through a particular change, your body will start to react towards it. Most hormonal changes cause sleep sweating, and it is entirely normal. There is no need of visiting a doctor. Some common hormonal changes are puberty, diabetes, and thyroid.


Obesity or overweight is yet another common reason behind sleep sweating. People suffering from obesity tend to sweat more than usual. It happens because of the huge fat build up. So, you must not worry much about it. This will reduce after you get back to your ideal weight.

How to Treat Sleep Sweating?

Even though it is not a life-threatening disease, it can be annoying for the person suffering from it. However, treatment should only be decided when you are sure about the causes of sweat. But, if there is no particular known cause, you should undergo a treatment that can manage and treat your disease.

Here are some of the ways of treating your sleep sweating:

Start With You Sleeping Habits

Medication should always be the secondary option. Making specific changes in your routine can help you in have a peaceful sleep. Start sleeping in a cool temperature; this will reduce the amount of sweat. Also, make sure that you are not sleeping while wearing sweat causing fabrics. Avoid wearing synthetic clothes and wear something that is very flowy. Try to avoid sleeping under a heavy and extra loaded comforter.

Eating Habits

Your eating habits can undoubtedly help you in reducing the amount of sweating. Regular smoking and frequent intake of alcohol or caffeine can cause excessive sleep sweating. So, avoid consuming all these products as much as possible.


If you feel that nothing is working for you, you must go and get yourself checked with your doctor. Medicines can undoubtedly help you in curing your problem quickly. But, keep it as your last option.

Also, if you are aware of the causes behind your sweating problem, then you must start fixing in it. Managing and treating it in the right way will help you overcome the problem quickly.