Heat stroke is called sun stroke in common language. This happens when your body cannot control its temperature. In case of heat stroke, the body temperature increases rapidly and is unable to reduce. When someone gets heatstroke, the sweating mechanism of the body also fails and the person does not sweat at all. If you suffer from heat stroke, the body temperature can reach 106degF or more within 10 to 15 minutes. If it is not treated in time, It can lead to death or organ failure.