Multiple choice general knowledge

Most of the heart attacks occur in the time of ?

  1. 8-9AM

  2. 4-5AM

  3. 10-11PM

  4. 6-7AM

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heart attacks indeed show a circadian pattern, with peak occurrence in the morning hours (6 AM - 12 PM) due to increased blood pressure, cortisol, and platelet aggregability upon waking. 8-9 AM falls within this documented peak window.