Untreated Sleep Apnea: Health Risks & Life Expectancy

Untreated Sleep Apnea: What Happens to Your Health Without Treatment

Untreated sleep apnea is far more than a snoring problem. It can lead to heart disease, high blood pressure, cognitive impairment, and metabolic disorders. Studies show that those with untreated sleep apnea have a lower life expectancy than those who seek treatment.

Learn about sleep apnea treatment options at our Gilbert dental office  →  Sleep Apnea in Gilbert

What Is Sleep Apnea?

Sleep apnea is a disorder that causes repeated stops and starts in breathing during sleep, either from blocked airways (OSA) or because the brain does not signal the muscles to breathe (CSA). Mild sleep apnea involves 5–15 breathing interruptions per hour; moderate involves 15–30; severe involves more than 30.

Warning Signs and Symptoms

•       Loud, chronic snoring

•       Pauses in breathing during sleep

•       Choking or gasping spells

•       Daytime fatigue

•       Morning headaches

•       Difficulty concentrating

•       Irritability and mood swings

•       Weight gain or obesity

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Health Risks of Untreated Sleep Apnea

Increased Risk of Heart Disease

Untreated sleep apnea is associated with development of cardiovascular disease including irregular heartbeats and high blood pressure.

Cognitive Impairment

Poor sleep quality can cause difficulties with memory, attention, and decision-making, affecting daily tasks and work productivity.

Mood Disorders

Sleep deprivation from untreated sleep apnea can cause mood swings, irritability, depression, and anxiety.

Chronic Fatigue and Daytime Sleepiness

Interrupted sleep prevents the body from achieving restorative rest, resulting in chronic fatigue.

Type 2 Diabetes

Frequent breathing interruptions affect glucose metabolism and can lead to insulin resistance.

Increased Risk of Accidents

Excessive daytime sleepiness makes it difficult to stay alert while driving or operating machinery.

Can Untreated Sleep Apnea Be Fatal?

Yes. One of the most immediate risks is lack of oxygen to the brain during sleep. Untreated sleep apnea also increases the risk of car crashes and can worsen pre-existing conditions such as diabetes and heart disease. In rare cases, it can lead to sudden death.

Treatment Options

CPAP Therapy

Highly effective but some patients find it uncomfortable or difficult to use consistently.

Lifestyle Changes

Weight loss, sleep habit changes, and avoiding alcohol can reduce the severity of sleep apnea, particularly for mild cases.

Oral Appliances

Custom oral appliances are a comfortable and effective CPAP alternative for many patients who cannot tolerate CPAP.

Surgery

In severe cases, surgical procedures such as tissue removal or maxillomandibular advancement may be recommended.

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Frequently Asked Questions

How long can you live with untreated sleep apnea?

There is no defined time frame, but health complications including heart disease, diabetes, and high blood pressure can become serious or life-threatening over time.

Can sleep apnea be treated and managed?

Yes. Sleep apnea can be effectively treated and managed. The best approach depends on severity and individual circumstances.

Sleep Apnea Treatment in Gilbert, AZ

Dr. John A. Garza DDS, LVIF, FIAPA, FICOI uses advanced diagnostic methods to evaluate and treat sleep apnea at his Gilbert dental practice with personalized treatment plans. No referral needed — book online or call (480) 539-7979.

About the Author

Dr. John A. Garza DDS, LVIF, FIAPA, FICOI has been practicing dentistry in Gilbert, AZ since 1994. He offers home sleep testing and custom oral appliance therapy at his Gilbert dental practice. One of fewer than 500 dentists worldwide to hold the LVIF designation from the Las Vegas Institute for Advanced Dental Studies.

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