Heart Attacks Occurring Between 6 AM and Noon are Fatal – New Study Reveals

Heart attacks occurring between 6 a.m. and noon are associated with the most the damage – a new study found. New research study finds a strange link between the time of the day and the severity of a heart attack. The most common time of day for heart attack is the morning. According to the researchers, morning heart attacks are fatal

In the study Heart attack timing was divided into four six-hour time periods over the day (24 hours). It has been observed the largest number of heart attacks occurred in the morning hours, with around 269 patients requiring treatment between 6 a.m. and noon. On the other hand; fewest heart attacks occurred during the midnight and 6 a.m., with 141 patients needing treatment.


Researchers are still searching for the answers and it is still not entirely clear why heart attacks are more common during the early mornings. The link between heart attack intensity and time of day suggests the body’s internal clock, or circadian rhythm, is at play, the researchers speculate. On the other hand; Harvard Medical School suggests that elevated blood pressure may or may not explain the link.

Why heart attacks are common to strike in the morning than the evening –

Blood pressure is highest in early morning: Blood pressure in the morning rises quickly to get you ready for the day. Medically speaking; your heart needs 50% more blood to go from being asleep to being awake. As the blood pulses through your blood vessels, the increased pressure poses the risk of tearing the vessel lining.

In the morning blood vessels are thicker: This is yet another significant reason for heart attack in the morning. Just as the body muscle feels stiffer when we get up the same happens with the blood vessels. It’s harder for them to bend and flex in the morning and that sets the stage for artery rupture.

Blood is thicker in morning: The platelets in our blood that helps it to clot are thicker in the morning. When thicker blood hits the scars and tears caused by high blood pressure the chances for heart attack is increased

Prevent morning heart attacks. Stay aware about the symptoms

Both for men and women, lightheadedness stands as one of the most common symptom that cardiac arrest might occur.

Other symptoms are –

  • chest pressure
  • Nausea
  • shortness of breath

If in case you experience any of these symptoms, calm down and sit down immediately. Keep in mind; if it goes on too long, you may simply pass out

Sleep tight at night

Aim for at least seven to eight hours of sleep. Studies reveal, inadequate sleep may raise your risk of cardiovascular disease. If in case you are experiencing disrupted sleep, get screened for sleep apnea.

Also; take most of your meds at night.

Consult with the cardiologist in Kolkata to take care of your heart!

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