Research indicates that the quality of nightly rest is linked to heart health, showing that a healthy sleep and irregular heartbeat risk correlation can reduce the likelihood of developing arrhythmias.
What is Cardiac Arrhythmia?
This disorder occurs due to a malfunction in the electrical signals that control the heartbeat, leading to beats that are too fast, too slow, or irregular. This condition sometimes appears as palpitations or a fluttering sensation in the chest. While some types are harmless, others can cause serious complications.
These conditions are classified based on the heart rate:
- Tachycardia: When the heart rate exceeds 100 beats per minute, such as atrial fibrillation and atrial flutter.
- Bradycardia: When the pulse rate falls below 60 beats per minute, such as sick sinus syndrome.
Sleep and Irregular Heartbeat Risk
A study involving more than 400,000 people revealed that following a healthy sleep pattern reduces the risks of developing certain types of arrhythmias. Sleep quality was evaluated based on duration and the ability to avoid insomnia, snoring, and daytime sleepiness.
The results showed that good nightly sleep is associated with:
- A 29% lower risk of atrial fibrillation.
- A 35% lower risk of slow cardiac arrhythmia.
- The study showed no link between sleep quality and ventricular irregularity.
Other Factors Affecting Heart Rhythm
There are health factors and medications that may increase the likelihood of developing arrhythmias:
- Inflammatory Diseases: Those with rheumatoid arthritis were found to be 40% more likely to develop atrial fibrillation compared to those without it.
- Genetic and Acquired Disorders: Such as Long QT syndrome, which may result from a genetic defect or a deficiency in minerals like potassium and calcium.
- Medications: Some drugs used to treat arrhythmias, such as “Amiodarone,” may be linked to an increased risk of cancer, especially in men receiving high cumulative doses.
FAQ
How does the heart beat?
The process begins with an electrical signal from the sinus node that travels through the upper chambers of the heart to the atrioventricular node, then reaches the lower chambers (ventricles), causing them to contract and pump blood to the body.
What is Long QT syndrome?
It is a rare disorder of the heart’s electrical system that makes the heart muscle take longer than usual to recharge after each beat, which can cause dangerous tachycardia in the ventricles.
What about Short QT syndrome?
Sources mention Short QT syndrome as a type of arrhythmia, although its symptoms or treatments are not detailed here.
When to Visit a Doctor?
Immediate medical care should be sought when the following signs appear:
- Sudden fainting or frequent feelings of dizziness.
- Severe chest pain or shortness of breath.
- Intense palpitations or a sudden acceleration in heartbeat.
- Cardiac arrest or the feeling that the pulse is significantly irregular.
Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice.
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Illustration: AI-generated
approved by: Medica Health team