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World Heart Day and Sleep Apnea: What Your Heart Wants You to Know
Last updated: September 6, 2026. Medically reviewed by Dr. Avinesh Bhar, Board-Certified Sleep Physician, SLIIIP.com.
World Heart Day falls on September 29 each year, and in 2026 the World Heart Federation’s theme is Use Heart for Action, a call to turn heart health awareness into concrete steps. Dr. Avinesh Bhar, Board-Certified Sleep Physician at SLIIIP.com, uses awareness moments like this one to remind patients that sleep apnea belongs on the list of heart health action items, right alongside diet and exercise. Sleep apnea is an independent risk factor for several forms of heart disease, yet it remains widely undiagnosed even among people who already have cardiovascular risk factors. SLIIIP.com treats adults through virtual sleep evaluations, and Dr. Bhar explains why this year’s action-focused theme is a good moment to ask about your own sleep.
SLIIIP’s board-certified sleep physicians can do sleep evaluations for sleep apnea. Virtual consultations in all 50 states. Home sleep tests shipped to your door.
What Is World Heart Day?
World Heart Day takes place every September 29 and is organized by the World Heart Federation to raise awareness about cardiovascular disease and stroke prevention worldwide. Heart disease is the leading cause of death in the United States, according to the CDC.
The day is not tied to a single event or screening, but it is a useful annual reminder to review the heart disease risk factors within your control, including ones that are easy to overlook, like sleep.
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Is Sleep Apnea a Risk Factor for Heart Disease?
Yes. A systematic review of sleep apnea research found associations between the condition and heart disease, stroke, heart failure, and irregular heart rhythms, according to a review published on PMC.
Sleep apnea causes repeated drops in oxygen and spikes in blood pressure throughout the night, both of which place ongoing stress on the cardiovascular system.
How Sleep Apnea Connects to Specific Heart Conditions
Sleep apnea has been studied in connection with several distinct heart conditions, each covered in more depth elsewhere on our site. If you want to go deeper on any of these connections, these guides walk through the specifics: Can Sleep Apnea Cause Heart Disease?, Sleep Apnea and Atrial Fibrillation, How Does Sleep Apnea Affect the Heart?, and Sleep Apnea and High Blood Pressure.
Rather than repeat that detail here, this article focuses on the action step most people skip on a day built around action: getting evaluated.
Why Sleep Apnea and Heart Disease Feed Each Other
The relationship between sleep apnea and heart disease can work in both directions. Sleep apnea raises the risk of developing certain heart conditions, and existing heart conditions can also make sleep apnea more likely or more severe.
Each apnea event causes a temporary spike in blood pressure and a drop in oxygen, and repeating this pattern hundreds of times a night places ongoing strain on the cardiovascular system. Over months and years, this strain is one of the mechanisms researchers point to when explaining the connection between sleep apnea and long-term heart risk.
Turning Awareness Into Action This World Heart Day
This year’s World Heart Day theme, Use Heart for Action, is a reminder that awareness alone does not change outcomes. A few concrete steps make the theme practical for anyone concerned about their heart and their sleep.
Know your numbers. Blood pressure, cholesterol, and blood sugar are all worth tracking regularly, especially if heart disease runs in your family.
Watch for sleep apnea symptoms. Loud snoring, witnessed breathing pauses, morning headaches, and daytime fatigue are worth mentioning to a doctor.
Ask about a home sleep test. A home sleep test is a straightforward way to find out whether sleep apnea could be part of your cardiovascular risk picture.
Treat sleep apnea if it is diagnosed. Consistent treatment, most often CPAP therapy, is associated with improved cardiovascular outcomes over time.
Taking even one of these steps this September is a practical way to put this year’s theme into practice.
Watch: Dr. Wells Explains the Truth About Sleep Apnea
When to See a Doctor
See a cardiologist or primary care doctor for routine heart health screening, especially if you have risk factors like high blood pressure, high cholesterol, diabetes, or a family history of heart disease.
Dr. Avinesh Bhar, Board-Certified Sleep Physician at SLIIIP.com, recommends a sleep evaluation alongside routine heart health screening for anyone with cardiovascular risk factors, since sleep apnea remains widely undiagnosed even in people who are otherwise closely monitored by their doctor. A home sleep test is a simple starting point.
At Sliiip, we accept the following insurances:
SLIIIP’s board-certified sleep physicians can do sleep evaluations for sleep apnea. Virtual consultations in all 50 states. Home sleep tests shipped to your door.
Frequently Asked Questions About World Heart Day and Sleep Apnea
What is World Heart Day?
World Heart Day is an annual global awareness day held every September 29 to promote cardiovascular health and prevent heart disease and stroke.
What is the 2026 World Heart Day theme?
The 2026 theme is Use Heart for Action, encouraging people to turn heart health awareness into concrete lifestyle and screening steps.
Is sleep apnea a heart disease risk factor?
Yes, sleep apnea is associated with increased risk of several heart conditions, including hypertension, atrial fibrillation, and coronary artery disease.
How does sleep apnea affect the heart?
Sleep apnea causes repeated drops in oxygen and spikes in blood pressure throughout the night, which places ongoing strain on the cardiovascular system.
Can treating sleep apnea reduce heart disease risk?
Consistent sleep apnea treatment is associated with improved cardiovascular outcomes, though it works best alongside other heart-healthy habits.
What are the warning signs of sleep apnea?
Loud snoring, witnessed breathing pauses, morning headaches, and daytime fatigue are common warning signs.
Is heart disease the leading cause of death in the United States?
Yes, heart disease is the leading cause of death in the United States according to the CDC.
Can atrial fibrillation be linked to sleep apnea?
Yes, sleep apnea is associated with an increased risk of developing atrial fibrillation.
Does high blood pressure relate to sleep apnea?
Yes, sleep apnea is a well documented contributor to nighttime blood pressure spikes and overall hypertension risk.
How can I get screened for sleep apnea?
A home sleep test ordered by a sleep physician is a common and convenient way to screen for sleep apnea.
What lifestyle changes support both heart and sleep health?
Regular exercise, a balanced diet, limiting alcohol, and maintaining a healthy weight support both heart health and sleep quality.
Can stress affect both heart health and sleep?
Yes, chronic stress can raise blood pressure and disrupt sleep, compounding cardiovascular risk over time.
Should I get my cholesterol checked around World Heart Day?
Any time is a good time, but an awareness day like World Heart Day can be a helpful reminder to schedule routine screening.
Does snoring always mean sleep apnea?
Not always, but loud or frequent snoring combined with other symptoms is worth discussing with a doctor.
Can untreated sleep apnea worsen an existing heart condition?
Yes, untreated sleep apnea can add ongoing strain that may worsen existing cardiovascular conditions over time.
Is CPAP therapy effective for heart-related outcomes?
CPAP is associated with improved cardiovascular measures in people who use it consistently, though results vary by individual.
How often should I get a heart health checkup?
This depends on your age and risk factors; ask your doctor for a personalized screening schedule.
Can sleep apnea occur without obvious symptoms?
Yes, some people have sleep apnea with minimal daytime symptoms, which is part of why it is widely undiagnosed.
What age group is most affected by sleep apnea and heart disease together?
Risk for both increases with age, though sleep apnea and heart disease can occur in younger adults as well.
Where can I learn more about the sleep apnea and heart disease connection?
See our dedicated guides on sleep apnea and heart disease, atrial fibrillation, and blood pressure for a deeper look at each connection.
SLIIIP’s board-certified sleep physicians can do sleep evaluations for sleep apnea. Virtual consultations in all 50 states. Home sleep tests shipped to your door.
