Can You Die from Sleep Apnea? My Story and the Medical Truth

ByJeremy Smith Updated on

Sleep apnea is often brushed off as nothing more than a condition that causes snoring or disrupted sleep. But the truth is, sleep apnea is a serious health issue with potentially life-threatening consequences if left untreated.

As someone who has experienced severe obstructive sleep apnea firsthand, I know how disruptive it can be to daily life—and how dangerous it can become if ignored. One of the most significant improvements I’ve noticed since starting CPAP therapy is that my migraines have completely disappeared, and I’ve learned how much of a difference proper treatment can make.

In this article, we’ll explore whether sleep apnea can be fatal, its risks, and how treatment can drastically improve your sleep, overall health, and longevity.

What Is Sleep Apnea?

Sleep apnea is a sleep disorder where your breathing is repeatedly interrupted throughout the night. These interruptions, known as apneas, occur when the airway becomes blocked, preventing airflow into the lungs. Each apnea lasts at least 10 seconds, and in severe cases, like mine, they can happen dozens or even hundreds of times a night.

Sleep apnea can leave you feeling exhausted, foggy, and frustrated—but its impact goes far beyond daytime sleepiness.

There are two main types of sleep apnea:

  • Obstructive Sleep Apnea (OSA): This is the most common form and occurs when the throat muscles relax too much, blocking the airway.
  • Central Sleep Apnea (CSA): Less common; CSA happens when the brain doesn’t send the right signals to the muscles that control breathing.

In my case, I was diagnosed with severe obstructive sleep apnea, which caused frequent apneas and hypopneas throughout the night. I struggled with daytime fatigue, mood swings, and migraines. It wasn’t until I started CPAP therapy that my health improved, and those debilitating headaches finally disappeared.

Can You Die from Sleep Apnea? The Direct and Indirect Risks

Here’s the honest answer: while sleep apnea itself rarely causes immediate death during sleep, it absolutely can kill you over time through its devastating effects on your body. And yes, in rare cases, it can cause sudden death during sleep.

Let me explain what I mean—and what I wish someone had told me before my diagnosis.

The Immediate Risk: Sudden Cardiac Death

The scariest part about sleep apnea is the risk of sudden cardiac death, especially for those over 51 or with severe sleep apnea. According to research published in the New England Journal of Medicine, people with untreated sleep apnea have a significantly higher risk of dying suddenly in their sleep, typically between midnight and 6 AM.

When I first learned this, it terrified me. I was stopping breathing over 51 times an hour, and each time my oxygen levels would plummet. My heart was essentially being jolted awake repeatedly throughout the night, working overtime just to keep me alive. The thought that one of those episodes could trigger a fatal heart rhythm still gives me chills.

What happens is this: during an apnea, your oxygen levels drop dramatically. Your heart, already stressed from the lack of oxygen, can develop dangerous irregular rhythms called arrhythmias. In people with existing heart problems or severe sleep apnea, these arrhythmias can be fatal.

The Long-Term Killers: Cardiovascular Disease and Stroke

While sudden cardiac death gets the headlines, the real danger of sleep apnea is what it does to your body night after night, year after year. Untreated sleep apnea increases your risk of several life-threatening conditions:

Heart Disease and High Blood Pressure

Every time your breathing stops during sleep, your body goes into panic mode. Your oxygen levels drop, stress hormones surge, and your blood pressure spikes. According to the American Heart Association, this nightly assault on your cardiovascular system can lead to chronic high blood pressure, heart disease, and heart failure.

Before my diagnosis, I had already developed borderline high blood pressure. My doctor attributed it to stress and poor diet, but we now know my sleep apnea was a major contributor. Once I started using my CPAP machine, my blood pressure readings improved significantly within just a few months.

Stroke

People with untreated sleep apnea are up to four times more likely to have a stroke compared to those without the condition. The constant oxygen deprivation and blood pressure fluctuations damage blood vessels throughout your body, including those in your brain.

I’ve talked to several people in my sleep apnea support groups who’ve had strokes in their 40s and 50s—ages when strokes should be rare. Almost all of them had undiagnosed or untreated sleep apnea. It’s a sobering reminder of what’s at stake.

Type 2 Diabetes

Sleep apnea messes with your body’s ability to regulate blood sugar. The sleep disruptions and stress hormones lead to insulin resistance, significantly increasing your risk of developing type 2 diabetes. Research from the Journal of Clinical Endocrinology & Metabolism shows that up to 83% of people with type 2 diabetes also have sleep apnea.

Daytime Accidents

This one hits close to home. Before treatment, I once nodded off while driving on the highway—just for a second—and drifted into the next lane. The honking horn jolted me awake, and I’ll never forget the terror of realizing what could have happened.

According to the National Highway Traffic Safety Administration, drowsy driving causes over 100,000 crashes annually, and people with untreated sleep apnea are up to 15 times more likely to be involved in a fatigue-related accident. You might not die from sleep apnea in your bed, but you could die—or kill someone else—on the road.

My Experience: Migraines, Fatigue, and the Wake-Up Call

Before my diagnosis, I suffered from frequent migraines that would knock me out for hours at a time. I never connected them to my sleep. But once I started CPAP therapy, it became clear that the lack of oxygen during sleep was likely triggering those headaches.

My oxygen levels were dropping so frequently during the night that my body was constantly stressed. I remember waking up some mornings with a pounding headache, feeling like my head was going to explode. This would cripple me for my entire day, making it hard to concentrate and function.

But it wasn’t just the migraines. I was constantly exhausted, irritable, and foggy. My wife said I would stop breathing dozens of times a night and gasp for air. She was terrified, but I brushed it off. “Just loud snoring,” I’d say.

Looking back now, with 10+ years of CPAP experience, I realize how dangerously close I was to becoming a statistic. My AHI (Apnea-Hypopnea Index) was over 51, meaning I stopped breathing more than 51 times per hour. My oxygen saturation would drop to dangerous levels—sometimes as low as 78%.

It wasn’t until I began CPAP therapy that I noticed a complete transformation. My migraines disappeared completely, my energy levels improved dramatically, and I could finally enjoy a full night of restful sleep. I felt like I had more energy at 50 than when I was 30.

Has Anyone Actually Died From Sleep Apnea? Celebrity Cases

Yes, several well-known people have died from sleep apnea-related complications. These cases brought significant public attention to the condition.

Carrie Fisher (Star Wars actress, 1956-2016)

On December 23, 2016, Carrie Fisher suffered a cardiac arrest on a flight from London to Los Angeles. She died four days later at age 60.

Carrie Fisher, 1977; Carrie Fisher attends ‘Gravity’ premiere and Opening Ceremony during The 70th Venice International Film Festival.Credit : Getty(2)

The Los Angeles County coroner listed her official cause of death as “sleep apnea and other undetermined factors.” The autopsy revealed she had a history of severe sleep apnea, and her assistant reported she had experienced breathing pauses while sleeping on the plane. The coroner also noted atherosclerotic heart disease, which is often made worse by untreated sleep apnea.

The American Academy of Sleep Medicine released a statement after her death: “Her death reminds us just how dangerous sleep apnea can be, especially when it comes to heart health. Severe obstructive sleep apnea that isn’t treated can increase the risk of heart failure, high blood pressure, diabetes and stroke.”

Reggie White (NFL Hall of Famer, 1961-2004)

Reggie White, one of the greatest defensive players in NFL history, died suddenly in his sleep on December 26, 2004, at age 43.

The medical examiner’s report listed his cause of death as “cardiac arrhythmia due to atherosclerotic cardiovascular disease and sleep apnea.”

White had been diagnosed with severe sleep apnea but struggled with consistent treatment. After his death, his widow Sara founded the Reggie White Sleep Disorders Research and Education Foundation, emphasizing that if people understood how serious sleep apnea was, Reggie might still be alive.

Jerry Garcia (Grateful Dead musician, 1942-1995)

Jerry Garcia died on August 9, 1995, at age 53. While his death certificate listed a heart attack as the immediate cause, medical experts have noted that his severe untreated sleep apnea was a significant contributing factor to his cardiovascular decline.

Friends reported that Garcia would fall asleep mid-conversation and snored so loudly that others on the tour bus couldn’t sleep. His health deteriorated rapidly in the years before his death, with sleep apnea accelerating his heart problems.

The Pattern

These cases share common elements: severe untreated sleep apnea, cardiovascular disease worsened by oxygen deprivation, and sudden cardiac events. According to a 2020 study analyzing 21 years of death certificates, sleep apnea was associated with 231,418 deaths in the United States.

What makes these cases particularly tragic is that sleep apnea is highly treatable. With proper CPAP therapy, these outcomes could likely have been prevented.

How Sleep Apnea Damages Your Body Night After Night

During an apnea episode, your body is deprived of oxygen, which forces your heart to work harder to pump blood. These frequent drops in oxygen levels, known as hypoxemia, stress the cardiovascular system. The brain also responds by sending out stress signals, which can trigger high blood pressure and lead to long-term damage.

Each time your breathing stops, your body goes into “fight or flight” mode, causing a surge in adrenaline. Imagine being chased by a bear 51 times in one night—that’s essentially what your body experiences. Over time, this constant state of stress takes a toll on your organs and immune system.

Here’s what happens during a typical apnea episode:

  1. Your airway collapses, cutting off oxygen
  2. Oxygen levels in your blood drop rapidly
  3. Carbon dioxide builds up in your bloodstream
  4. Your brain panics and triggers a brief awakening
  5. You gasp for air, often without fully waking
  6. Your blood pressure spikes and stress hormones flood your system
  7. You fall back asleep… and the cycle repeats

This process can happen hundreds of times per night in severe cases. No wonder I was exhausted all the time—my body never got a chance to truly rest and repair itself.

Understanding Sleep Apnea Statistics: How Common Is It?

According to recent sleep apnea statistics, approximately 39 million adults in the United States have obstructive sleep apnea, but studies suggest that up to 80% of cases remain undiagnosed. That means millions of people are literally sleeping with a potentially fatal condition without even knowing it.

The condition is more common in men than women, though women’s risk increases significantly after menopause. It also affects children, often due to enlarged tonsils or adenoids.

Recognizing the Warning Signs: Do You Have Sleep Apnea?

Knowing the signs of sleep apnea can literally save your life. Here are the symptoms I experienced before my diagnosis—and the ones you should watch for:

Nighttime Symptoms:

  • Loud, chronic snoring (my wife could hear me from another room)
  • Gasping or choking during sleep
  • Frequent awakenings (though you may not remember them)
  • Waking up to urinate multiple times per night
  • Restless sleep, tossing and turning
  • Night sweats

Daytime Symptoms:

  • Excessive daytime sleepiness (I would fall asleep watching TV, in meetings, even at red lights)
  • Morning headaches
  • Difficulty concentrating or memory problems
  • Mood changes, irritability, depression
  • Dry mouth or sore throat upon waking
  • Chronic fatigue, no matter how long you “sleep”

If you’re experiencing any combination of these symptoms, don’t wait. Talk to your doctor about getting a sleep study. You can even do an at-home sleep apnea test now, which is what I initially did before my formal diagnosis.

The Importance of Early Diagnosis and Treatment

For me, the key to turning my health around was getting an early diagnosis and starting CPAP therapy right away. Without treatment, I likely would have continued down a path of worsening health issues, including more frequent migraines, increasing fatigue, and potential heart problems.

The diagnostic process typically involves a sleep study, either at a sleep center or at home. During the study, doctors measure several key metrics:

  • Number of apneas and hypopneas per hour (your AHI score)
  • Oxygen saturation levels
  • Heart rate variability
  • Sleep stages and quality
  • Body position during sleep

Based on these results, your doctor will determine the severity of your sleep apnea and recommend appropriate treatment options.

Treatment Options That Can Save Your Life

CPAP Therapy: The Gold Standard

For those with moderate to severe sleep apnea, CPAP (Continuous Positive Airway Pressure) therapy is often the most effective treatment. A CPAP machine keeps your airway open by delivering a continuous stream of air through a mask while you sleep.

I’ll be honest—the first few nights with CPAP were challenging. The mask felt claustrophobic, the pressure felt weird, and I struggled to fall asleep. But I stuck with it because I knew the alternative was far worse. Within two weeks, I had adapted to the therapy, and within a month, I couldn’t imagine sleeping without it.

The transformation was remarkable. The migraines that had plagued me for years vanished. I woke up feeling rested and energized, and my mood improved dramatically. CPAP therapy literally gave me my life back.

Research published in the American Journal of Respiratory and Critical Care Medicine found that CPAP users who were consistent with their therapy (using it at least 4 hours per night) had a significantly lower mortality rate compared to those who didn’t use CPAP or used it inconsistently.

I now use a ResMed AirSense 11, and I’ve tried various mask types over the years. For side sleepers like me, finding the right mask made a huge difference in comfort and compliance.

Alternative and Complementary Treatments

While CPAP is the gold standard, there are other treatment options depending on your specific situation:

How CPAP Reduces Your Risk of Death

The research is clear: consistent CPAP use dramatically reduces your risk of death from sleep apnea-related complications. Here’s what happens when you use CPAP regularly:

  • Normalized oxygen levels: Your blood oxygen stays stable throughout the night
  • Reduced cardiovascular stress: Your heart rate and blood pressure stabilize
  • Better sleep quality: You actually reach and maintain deep, restorative sleep stages
  • Improved daytime function: Better alertness means fewer accidents
  • Reduced inflammation: Chronic inflammation throughout your body decreases
  • Extended life expectancy: Studies show CPAP users live longer, healthier lives

After 10+ years of CPAP use, I can confidently say it’s extended my life. My doctor has told me that without treatment, given the severity of my condition, I likely wouldn’t have made it to 65 without a major cardiovascular event. Now, I’m not just surviving—I’m thriving.

Living with Sleep Apnea: Practical Tips for Success

Getting diagnosed is just the beginning. Living with sleep apnea and managing CPAP therapy requires commitment, but it’s absolutely worth it. Here are some tips from my decade of experience:

CPAP Maintenance and Care

  • Clean your equipment regularly—I clean my CPAP mask daily and change filters monthly
  • Replace parts on schedule per the CPAP replacement schedule
  • Use distilled water in your humidifier
  • Address problems quickly—whether it’s mask leaks, dry mouth, or rainout

Making CPAP Work for Your Lifestyle

  • Invest in a travel CPAP if you travel frequently
  • Consider a CPAP battery for camping or power outages
  • Find the right CPAP pillow for comfort
  • Stay consistent—even on weekends and vacations

The Bottom Line: Don’t Gamble With Your Life

Can you die from sleep apnea? Yes—both suddenly and slowly. The condition increases your risk of heart disease, stroke, diabetes, and fatal accidents. But here’s the good news: treatment works, and it works incredibly well.

Sleep apnea was affecting my health in more ways than I realized. Not only did it rob me of energy and mental clarity, but it also triggered migraines that left me debilitated. Thanks to CPAP therapy, I’ve seen a complete turnaround in my health, and I no longer suffer from the daily headaches and fatigue I once did.

If you suspect you have sleep apnea, don’t wait—seek out a diagnosis and start treatment. It could save your life, just as it saved mine. Talk to your doctor, get a sleep study, and take control of your health. The masks and machines might seem inconvenient, but they’re nothing compared to the alternative.

Your life is worth it. Trust me on this one.

Do you have any comments or stories about how sleep apnea has affected your life? Have you experienced health improvements with treatment? Please share your story in the comments section below.

References

  1. Gami AS, et al. “Day-Night Pattern of Sudden Death in Obstructive Sleep Apnea.” New England Journal of Medicine. 2005;352(12):1206-1214. https://www.nejm.org/doi/full/10.1056/NEJMoa041832
  2. Marin JM, et al. “Long-term cardiovascular outcomes in men with obstructive sleep apnoea-hypopnoea with or without treatment with continuous positive airway pressure: an observational study.” The Lancet. 2005;365(9464):1046-1053. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(05)71141-7/fulltext
  3. American Heart Association. “Sleep Apnea and Heart Disease, Stroke.” https://www.heart.org/en/health-topics/sleep-disorders/sleep-apnea-and-heart-disease-stroke
  4. Reichmuth KJ, et al. “Association of Sleep Apnea and Type II Diabetes: A Population-Based Study.” American Journal of Respiratory and Critical Care Medicine. 2005;172(12):1590-1595. https://www.atsjournals.org/doi/full/10.1164/rccm.200504-637OC
  5. National Highway Traffic Safety Administration. “Drowsy Driving.” https://www.nhtsa.gov/risky-driving/drowsy-driving
  6. Peppard PE, et al. “Increased Prevalence of Sleep-Disordered Breathing in Adults.” American Journal of Epidemiology. 2013;177(9):1006-1014. https://academic.oup.com/aje/article/177/9/1006/103691
  7. Young T, et al. “Risk Factors for Obstructive Sleep Apnea in Adults.” Journal of the American Medical Association. 2004;291(16):2013-2016. https://jamanetwork.com/journals/jama/fullarticle/198624
  8. Mayo Clinic. “Sleep Apnea – Symptoms and Causes.” https://www.mayoclinic.org/diseases-conditions/sleep-apnea/symptoms-causes/syc-20377631
  9. American Academy of Sleep Medicine. “Rising Prevalence of Sleep Apnea in U.S. Threatens Public Health.” https://aasm.org/rising-prevalence-of-sleep-apnea-in-u-s-threatens-public-health/
  10. Johns Hopkins Medicine. “The Dangers of Uncontrolled Sleep Apnea.” https://www.hopkinsmedicine.org/health/conditions-and-diseases/sleep-apnea/the-dangers-of-uncontrolled-sleep-apnea

⚠️ MEDICAL DISCLAIMER This blog provides general information only and is not a substitute for professional medical advice, diagnosis, or treatment. Sleep apnea is a serious condition, and CPAP equipment should be used under proper medical supervision. Always consult your doctor or sleep specialist before starting, stopping, or changing any therapy. I share personal experiences as a CPAP user, not as a medical professional. Individual results vary. For medical guidance, please consult a qualified clinician or the American Academy of Sleep Medicine (aasm.org).

Jeremy shares real-world experience with CPAP machines, masks, cleaning routines, travel tips, and emotional support. His writing combines firsthand insight with clear, helpful guidance for others living with sleep apnea.

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