Hypothermia is a dangerous drop in body temperature below 35C (95F), where normal body temperature is around 37C (98.6F). The following is not an early sign of hypothermia: Uncontrollable urge to fall asleep. Correct answer: D Urge to sleep is symptom of the final stage of hypothermia. Early signs of hypothermia include: shivering , cold and pale skin , slurred speech , fast breathing , tiredness , confusion.