Excessive sweating at night is an uncomfortable situation to experience, but most of the time not grounds for major concern. Sleeping in a warm room with too many blankets can cause night sweats in many people and can be remedied by adjusting the ventilation in the room or wearing lightweight sleepwear. Sometimes, however night sweats can be prompted by illness, hormonal changes or the use of certain medications.
Hormonal Fluctuation
Menopause and pregnancy are two possible causes of night sweats, due to the fluctuation of hormone levels in the body. Hormone replacement therapy may also produce night sweats in post-menopausal women.
Medication Use
The use of glucose-lowering medications or antidepressants can cause some people to sweat excessively during the night, according to the Mayo Clinic.
Neuropathy
A type of nerve damage called autonomic neuropathy can lead to night sweats in some people. The autonomic nerves control bodily functions such as digestion, heart rate and also perspiration.
Hyperthyroidism
Hyperthyroidism, or the overactivity of the thyroid, can cause changes to a person's metabolic processes. One of the effects of hyperthyroidism is sweating, especially at night.
Infection
Several different types of infections can cause people to sweat profusely at night. These include endocarditis an infection that develops in the lining of the heart, a bacterial infection called brucellosis, and osteomyelitis, a type of bone infection.
Illness
Serious illnesses, such as cancer, AIDS and tuberculosis, may all be the cause of night sweats. People who have suffered from stroke may also notice increased perspiration at night.
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