What Causes Profuse Sweating While Sleeping?

When a person sweats while sleeping, either too much or not enough, it is called nocturnal hyperhidrosis. The excessive sweating usually starts from the neck and armpits area and then spreads to other parts of the body.[1] In most people with this condition, the sweat glands are located in areas where there is pressure from clothing.

For some persons who have atopic dermatitis (eczema), allergic contact dermatitis, or another condition that leads to inflammation in these areas of their bodies; they can develop an odor associated with sweating when they wake up during sleep which disturbs their sleep.[2] Hyperhidrosis can also be caused by post-traumatic stress disorder (PTSD) after an accident that involved sudden traumatic damage to the head or neck area.[3] It can also be caused by anxiety disorders such as generalized anxiety disorder (GAD), panic attacks,[4][5][6] obsessive-compulsive disorder (OCD), phobias,[7][8][9] social anxiety,[10][11], posttraumatic stress disorder,[12]) pica syndrome[13], polycystic ovary syndrome[14], night eating syndrome [15], narcolepsy [16]. It may also be related to problems in learning disabilities like dyslexia.[17] If you think your child has “bedwetting,” see our page on bedwetting for more information about possible reasons. Children who wet themselves during daytime n

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