What’s wrong with singing until your whole body goes numb?

Singing to sing the whole body numbness may be respiratory alkalosis, hypoglycemia and so on.
1. Respiratory alkalosis: singing breathing is not right, such as high ventilation frequency, this situation will discharge a large amount of carbon dioxide, resulting in a decrease in arterial blood carbon dioxide partial pressure, respiratory alkalosis, accompanied by sympathetic excitation, which appeared a group of syndromes, such as numbness of the hands and feet, limbs twitching.
2. Hypoglycemia: singing when the whole body numbness, there may be caused by hypoglycemia, you can take food or sugar-containing drinks, etc., the symptoms will soon be relieved.
Singing to the whole body numbness should be timely to the hospital, exclude disease factors, identify the causes for treatment, do not delay the condition.