There can be many reasons for sweating at night. Such as Diabetes, HIV, Tuberculosis, Sleep apnea, certain prescription drugs etc. There can also be another key cause of this problem which is called systemic Candida infection. It is a type of yeast that is produced in our digestive system and throat when a person is overly exposed to antibiotics, corticosteroids, or birth control pills. So you must consult your doctor and get a proper checkup. If the cause is this yeast infection, you can get rid of it by using the product called three lac.