If you feel tired and exhausted and your doctor is not finding a cause, your doctor may tell you that you have hypoglycemia or low blood sugar. Hypoglycemia or low blood sugar often indicates that something is going wrong in your body and that’s why your doctor must need to look for the cause.
Human brain gets more than 98 percent of its energy from sugar in the blood. Similarly, other parts of the body also need energy to perform their different tasks and sugar serves as one of the biggest sources of energy for human body. And that’s why low sugar levels in the blood make you feel anxious, sweaty, hungry, and shaky.
Low blood sugar is of two types
Usually when your blood sugar increases quite a lot, the first type occurs. It causes pancreas to release high amount of insulin that decreases blood sugar too low. The second type occurs when the liver is running out of stored sugar.