Which is a sign of overheating? palpitations sleepiness shivering hyperactivity

It is not at all shivering and whoever answered that has no idea at all what they are doing the answer is palpitations. I have personally experienced overheating and this is the most common trait.

I think the answer is Palpitations

Explanation:

Even slowly walking around in 100-degree heat can cause dizziness and heart palpitations. Being physically active in addition to the heat can cause serious problems, like heat stroke or heat exhaustion. Everyone is at risk for heart strain during hot and humid weather

answer; ok one source said 643.000 and another said 1.8 million,62.1 percent of all bankruptcies were because of medical hope this you luck