Nov 09, 2026

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Morning Heart Attack Risk: Why do you have the most heart attacks in the morning? Know the real reason

Why Heart Attacks Occur More Between 6 AM And Noon: When a heart attack occurs, it is not just an accident, but the body has its own fixed rhythm. Our heart and whole body work according to the circadian rhythm. This controls the body's daily routine, hormones, blood pressure and blood flow. This is the reason why the risk of heart attack is more common in the morning.

 

Why does the risk increase in the morning?

In the morning, the body moves from a state of rest to an active state. The brain prepares the body for the day, which increases hormone levels, makes the heart beat faster, and the blood vessels contract slightly. This process is normal, but for people whose arteries are already narrow, this change can increase the risk.

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What do the experts say?

Dr. Udgeeth Dhir told TOI that the cases of heart attacks are more common between 6 am and 12 noon. During this time, the body is in an activation phase, where hormones like cortisol and adrenaline increase rapidly. Due to this, blood pressure and heart rate suddenly increase and the blood becomes slightly thicker, which also increases the chances of blood clots

When plaque is already deposited in a person's coronary arteries, this pressure in the morning can break it. As soon as the plaque breaks, the body immediately thinks it is an injury and immediately clots blood, which can stop the blood flow in a few minutes and can lead to a heart attack. Research published in the European Heart Journal also shows that these biological changes in the body in the morning can lead to heart attacks

As the day progresses, the body slowly starts to come into a calm state. Hormone levels become normal and blood pressure stabilizes or decreases slightly. According to Dr. Dhir, the body is in a more relaxed state in the evening, which reduces the risk of sudden blockage of arteries. However, this does not mean that the risk is over. Heart attacks in the evening are often associated with heavy food, alcohol, mental stress, or sudden overexertion. In fact, the problem develops slowly inside the arteries. Over time, fat accumulates in it, making it narrower and less elastic. The sudden increase in pressure in the morning affects this accumulated fat and if it breaks, the condition can be serious.

What are the factors that are responsible?

Lifestyle also plays an important role in this. Irregular sleep, late night meals, and constant stress spoil this natural rhythm of the body. Research shows that poor sleep and a spoiled routine increase the risk of heart diseases. Therefore, it is important to get up at the same time every day, eat light food at night, avoid depression in the morning and start the day slowly in the habit. These small changes help to keep the heart safe by creating harmony with the body

Disclaimer: This information is based on research studies and expert opinion. Do not consider it as a substitute for medical advice. Consult your doctor or concerned expert before taking up any new activity or exercise<>


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