woman sleeping with eye mask on

Sleep apnea is a complex sleep disorder that disrupts restful sleep and has significant implications for cardiovascular health. While often overlooked or underestimated, its impact on the heart can be profound and should not be ignored. In this blog, the professionals at Texas ENT Specialists (TENTS) will discuss how sleep apnea affects the heart, its potential risks, and why addressing it is crucial for heart health.

Understanding Sleep Apnea and Its Cardiovascular Effects

Sleep apnea is characterized by repeated pauses in breathing or shallow breathing during sleep. These interruptions can lead to decreased oxygen levels in the blood and disruptions in regular sleep cycles. The two main types of sleep apnea, obstructive and central, can adversely affect cardiovascular health.

  1. Obstructive Sleep Apnea (OSA): This type of sleep apnea is more common and occurs when the airway becomes blocked or narrowed during sleep. This leads to snoring and breathing interruptions, which strain the heart by requiring increased effort to breathe against the obstruction.
  2. Central Sleep Apnea (CSA): In CSA, the brain fails to send proper signals to the muscles that control breathing. This can result in erratic breathing patterns during sleep and also affects the heart's functioning.

Sleep Apnea’s Impact on Heart Health

One of the most significant cardiovascular effects of sleep apnea is the development or exacerbation of hypertension. Repeated episodes of low oxygen levels during sleep can trigger a cascade of physiological responses, including increased blood pressure. Over time, untreated sleep apnea can contribute to persistent hypertension, putting strain on the heart and blood vessels.

Other effects include the following:

Cardiovascular Disease

Sleep apnea is linked to an increased risk of developing cardiovascular diseases such as coronary artery disease, heart attacks, and strokes. The chronic stress on the cardiovascular system, combined with the disrupted sleep patterns, creates an environment that is conducive to the progression of heart-related conditions.


Sleep apnea can also disrupt the heart's normal rhythm, leading to arrhythmias such as atrial fibrillation (AFib). Intermittent drops in oxygen levels and strain on the heart can trigger irregular heartbeats, which, if left untreated, can increase the risk of more serious cardiac events.

Heart Failure

Chronic untreated sleep apnea can contribute to the development or worsening of heart failure. The combination of high blood pressure, arrhythmias, and the overall strain on the heart muscle can lead to a decline in cardiac function over time.

The Importance of Diagnosis and Treatment

Given the significant impact of sleep apnea on heart health, diagnosing and treating it early is crucial. Here are the key points to consider:

  • If you have risk factors like obesity, snoring, daytime sleepiness, and high blood pressure, you should get screened for sleep apnea. Diagnosis usually involves a sleep study called polysomnography, which monitors various parameters during sleep.
  • Treatment aims to improve breathing during sleep and reduce the strain on the heart. Continuous Positive Airway Pressure (CPAP) therapy is a common and effective method. It involves wearing a mask connected to a machine that delivers pressurized air to keep the airway open.
  • Along with CPAP therapy, lifestyle changes like weight loss, regular exercise, avoiding alcohol and sedatives before bedtime, and good sleep habits can also help manage sleep apnea and its impact on the heart.
  • Patients diagnosed with sleep apnea should have regular follow-ups with healthcare providers to monitor treatment effectiveness, adjust CPAP settings if needed, and address any new or ongoing cardiovascular concerns.

How TENTS Can Help Reduce Sleep Apnea's Impact

At Texas ENT Specialists (TENTS), we understand the critical link between sleep apnea and heart health. Our comprehensive approach to managing sleep apnea goes beyond addressing symptoms; we focus on reducing the likelihood of sleep apnea affecting your heart.

TENTS offers expert diagnosis and screening services for sleep apnea. Our ENT specialists utilize advanced diagnostic tools, including polysomnography, to assess your sleep patterns and identify any signs of sleep apnea.

Once diagnosed, TENTS develops personalized treatment plans tailored to your specific needs. Our goal is to improve breathing during sleep, reduce the strain on your heart, and enhance overall sleep quality. We offer a range of treatment options, including Continuous Positive Airway Pressure (CPAP) therapy, lifestyle modifications, and adjunct therapies to address underlying causes contributing to sleep apnea.

Don't let sleep apnea jeopardize your heart health! Take control today by scheduling a consultation with Texas ENT Specialists.

Back to Blog

With undefined convenient locations across the greater Houston & San Antonio areas, we’re never far away.

Find your ENT Schedule appointment
Accessibility: If you are vision-impaired or have some other impairment covered by the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to using this website, please contact our Accessibility Manager at (281) 897-0416.



Schedule Now