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You have hyperhidrosis -

Hyperhidrosis is an excessive sweating disorder where a person sweats an unusual amount, even when sleeping. It tends to affect specific body parts, such as your palms, feet, underarms, and head.

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You have hyperhidrosis -

The condition can affect daily tasks, like opening doorknobs or using computers. If you believe that you have hyperhidrosis, talk to a dermatologist. They can prescribe specific deodorants or offer treatments, like Botox injections, to block sweat glands.

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You have undiagnosed lymphoma -

Lymphoma is a cancer that can cause symptoms like fever, weight loss, and night sweats. The body recognizes lymphoma as something it needs to fight off, which is why it raises its temperature to do so.

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You're having nightmares -

Nightmares causes a "sympathetic surge," also known as a fight-or-flight response. This can lead to sweating. So if you have frequent nightmares, talk to a specialist in order to understand the root cause.

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Your body's fighting off an infection -

Infections are generally related to changes in body temperature, which cause fever and sweating. For example, tuberculosis is a rare infection that's commonly associated with night sweats.

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Your room is just too hot -

If the temperature of your room is anything over 60°F to 70°F (15°C to 21°C), then it's too hot. Not only will it cause you to sweat, but feeling too hot can also impede your ability to fall asleep. In the process of falling a sleep, your body temperature should drop one or two degrees, but it can't do that in a warm room.

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Your body's going through hormonal changes -

One of the biggest hormonal changes that can cause sweating is menopause. Women will experience fluctuating estrogen levels, which cause hot flashes even when sleeping.

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Your body's going through hormonal changes -

For women who are pregnant or on their period, hormone fluctuations could lead to night sweats as well. However, menopause tends to cause the most persistent sweats. If it's really disrupting your quality of life, then talk to your ob-gyn. They can provide you with hormone replacement therapy, which will keep temperatures under control.

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You're anxious -

Increased sweating can be a physical symptom of anxiety, which is caused by a fight-or-flight response. Stress hormones increase energy expenditure and sweat is released to cool down body temperature.

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You're anxious -

If you find yourself feeling tense or restless before bedtime, try winding down before bed in order to alleviate these feelings of stress. You can do this through mediation, reading, or limiting screen time.

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You're sensitive to spicy food -

Certain spicy foods that contain capsaicin trigger the same nerves that make you feel warm. You start to sweat as a way to cool down. It's best to avoid these types of food close to bedtime.

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You're taking antidepressants -

Certain types of antidepressants can cause an adrenergic reaction, which has to do with your adrenaline levels, and lead to sweating. If you don't want to switch your antidepressants, then you can take drugs that calm down the adrenergic output, and don't counteract with your meds.

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You’re exercising close to bedtime -

Exercising close to bedtime can increase your metabolism rate, which can result in feeling warmer in the evening. If you're a hot sleeper, try to work out about two hours before you go to bed.

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You're consuming alcohol -

You may think a night cap seem is a good way to relax. But if you're getting sweaty, then it’s best to skip it. Alcohol dilates the blood vessels in the skin, which can lead to sweating.

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You may have acid reflux -

Some people with acid reflux, or the more severe gastroesophageal reflux disease (GERD), can experience excessive sweating and nighttime heartburn.

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You have a rare tumor in the adrenal gland known as a pheochromocytoma -

Pheochromocytomas are usually benign tumors that start in the cells of the adrenal gland. The symptoms associated are episodic headaches, sweating, and tachycardia, which is a rapid heartbeat.

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You're dealing with an undiagnosed neurologic condition, like post-traumatic syringomyelia -

Just like hormone conditions, neurologic conditions, particularly a spinal cord injury and syringomyelia, can also cause night sweats. Damage to the spinal cord causes it to malfunction and overstimulate the sweat glands.

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You're dealing with an undiagnosed neurologic condition, like post-traumatic syringomyelia -

Post-traumatic syringomyelia, specifically, is the formation of cysts in the spinal cord, which can cause episodes of increased sweating.

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You're experiencing a hormone disorder, like undiagnosed carcinoid syndrome -

Night sweats are a common symptom of hormone disorders. One hormone disorder that can lead to night sweats is carcinoid syndrome, which tends to originate in the digestive tract.

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You're experiencing a hormone disorder, like undiagnosed carcinoid syndrome -

Getting flushed is also common when experiencing carcinoid syndrome. It's associated with sweating due to the warmth and redness caused by increased blood flow to the skin.

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You have undiagnosed hyperthyroidism -

People with hyperthyroidism have an overactive thyroid that produces more thyroid hormone than the body needs. Some symptoms include muscle weakness, mood swings, and night sweats.

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Your bed might be the cause -

The problem might be your sleep setup. Your sheets, pillows, and mattress could be causing you to sweat at night. Look into cooling or temperature-regulating sheets to avoid waking up drenched.

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You're experiencing hypoglycemia related to diabetes medication -

Hypoglycemia occurs when blood sugar levels drop too low. This can cause various symptoms, like dizziness, confusion, and even night sweats.

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You're experiencing hypoglycemia related to diabetes medication -

Sometimes these sweats can appear suddenly. If they do, then you need to talk with your doctor, as you may require the administration of glucose orally or intravenously.

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You're dressing too warm -

Less breathable fabrics, like flannel, can also be a cause for those sweaty nights. Instead, opt for breathable cotton, both for your PJs and your sheets.

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You might have COVID-19 -

Originally not considered a symptom of coronavirus, reports of the Omicron variant include night sweats. It’s one of the signs that differentiate newer strains of the virus, along with a sore throat.

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When should you be concerned about night sweats -

Luckily, night sweats aren't typically a symptom of a serious medical condition. But it could be a sign of something serious if it's been going on for two weeks or longer, and is accompanied by other symptoms.

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Remedies for night sweats -

If your symptoms are mild and don't interfere with normal activities, then minor changes like lowering the room temperature are enough.

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Remedies for night sweats -

If you're dealing with moderate to severe night sweats, then you may want to look into it with your doctor. They can offer you the appropriate medication and different types of treatments, depending on the condition.

Sources: (Women's Health) (CNET)

See also: How food can help you sleep

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