Can PTSD Cause Sleep Apnea? WHat Your Body is Doing at Night

Understanding Sleep Apnea & PTSD

Can PTSD cause sleep apnea?

PTSD and sleep apnea are strongly associated, but PTSD has not been established as a direct cause of obstructive sleep apnea (OSA).

In fact, research suggests that the relationship may go both ways. People with PTSD are more likely to have OSA than people without PTSD, and untreated sleep apnea can contribute to poor sleep and may worsen some PTSD-related symptoms.

So if you have PTSD and you're constantly exhausted, waking up during the night, having nightmares, snoring heavily, or waking up feeling like you can't breathe, don't automatically assume it's “just the PTSD.” Your sleep deserves to be investigated, too.

There are several types of sleep apnea. The two major categories are: Obstructive sleep apnea (OSA) and central sleep apnea (CSA). The type commonly linked with PTSD is OSA, which involves a mechanical obstruction in the airway, causing sleep disruptions. This blog focuses on the connection between PTSD and obstructive sleep apnea (OSA).

What Causes Obstructive Sleep Apnea?

OSA occurs when the upper airway repeatedly narrows or collapses during sleep.

Several factors contribute to OSA, including:

Obesity: Extra weight physically obstructs the airway.

• Weak Airway Musculature: Insufficient muscle tone in the airway.

• Low Arousal Threshold: Being a "light sleeper."

• High Loop Gain: Instability in the breathing control system.

• Genetics and family history: Some people are more predisposed to sleep apnea.

The Connection Between PTSD and Sleep Apnea

Why do PTSD and sleep apnea show up together so often?

One reason is that PTSD itself can dramatically disrupt sleep. Research shows that individuals with PTSD are at a higher risk of developing sleep apnea. PTSD-related hyperarousal during sleep, such as nightmares, insomnia and constantly feeling “on guard” can make it difficult to get restorative sleep.

PTSD can lead to respiratory instability, also known as high Loop Gain, which exacerbates sleep apnea symptoms. Although these too conditions, PTSD and OSA often co-occur, research is still investigating the extent of the cause for each and how they are related.

One possible explanation involves the way PTSD affects arousal and breathing regulation during sleep. Recent research has found altered ventilatory responses to arousal in some people with PTSD symptoms, although this does not mean PTSD alone causes OSA.

Can PTSD Make Sleep Apnea Worse?

The connection between PTSD and sleep apnea is interesting. Imagine your nervous system spending the day saying: “Stay alert. Something could happen.” Then you go to bed. Your body is exhausted, but your nervous system doesn't necessarily get the message that it is safe to completely stand down.

PTSD can produce hyperarousal, nightmares, and fragmented sleep. OSA can independently cause repeated breathing disruptions and brief arousals throughout the night.

Put those together and you can end up with a vicious cycle where each condition exacerbates the other: poor sleep → increased daytime stress → greater vulnerability to PTSD symptoms → another difficult night.

The exact direction of the relationship is still being studied. The VA notes that PTSD and chronic arousal may be related to OSA bidirectionally, but research has not definitively established which condition comes first.

Does Sleep Apnea Make PTSD Worse?

It can.

Sleep apnea repeatedly interrupts normal sleep and can leave you exhausted during the day. Poor sleep can affect:

• Concentration

• Memory

• Mood

• Emotional regulation

• Energy

• Reaction time

• Stress tolerance

These are already areas that can be affected by PTSD.

The VA reports that sleep problems can contribute to difficulties with learning, memory, thinking, concentration, mood, and daytime functioning. There is also evidence that treating OSA can improve PTSD-related outcomes in some people. For example, research in Veterans and other populations has found that adherence to positive airway pressure therapy is associated with reductions in nightmares and PTSD symptoms.

So if you have PTSD and sleep apnea, treating the sleep apnea isn't separate from taking care of your mental health. Sleep is part of the picture.

PTSD, Sleep Apnea & Military Service

Veterans are particularly susceptible to sleep apnea due to combat-related stress and PTSD. Studies have shown high rates of OSA among veterans from different conflicts, including Vietnam and recent operations in Iraq and Afghanistan. Co-occurring sleep disturbances such as periodic leg movement disorder, sleep terrors, and nocturnal anxiety attacks are common in this group.

Common Symptoms of PTSD & Sleep Apnea

Some symptoms overlap between PTSD and sleep apnea, which can make it difficult to determine what's causing what.

Possible symptoms include:

• Nightmares about choking or suffocating

• Difficulty staying asleep

• Trouble concentrating

• Irritability

• Anxiety

• Depression

• Witnessed pauses in breathing during sleep

• Depression and anxiety

• Daytime sleepiness, increasing risks like falling asleep while driving

Sometimes you may not even realize you’re stopping breathing during the night. That’s why sleep apnea can go undiagnosed for years. And if you're falling asleep unintentionally during the day—especially while driving—you should take your symptoms seriously.

Natural Ways to Support Sleep Apnea & PTSD

While PAP therapy and surgical options exist, natural treatments like breath training are gaining attention. Breathe training can improve the stability of the airway and enhance neuroplasticity, which can help manage both PTSD and sleep apnea.

These should be complementary strategies with your overall treatment from your healthcare provider.

Breathe Training Techniques

Some respiratory and oropharyngeal exercises that have been studies to improve OSA include:

• Diaphragmatic & Breathing-Pattern Training

Controlled breathing can help you practice awareness of your breathing pattern and manage physiological stress.

• Inspiratory Muscle Training

Inspiratory muscle training has been investigated as a complementary approach for sleep-disordered breathing and respiratory function.

• Oropharyngeal Exercises

Exercises targeting the muscles of the mouth, tongue, and upper airway have been studied as an adjunctive approach for OSA.

• Wind Instrument Training

One particularly interesting study examined didgeridoo playing in adults with moderate OSA and found improvements in daytime sleepiness and the apnea-hypopnea index after four months of regular practice.

These methods have shown promise in reducing sleep apnea symptoms and improving overall respiratory health by training the muscles involved in breathing and upper-airway control.

Other strategies to mitigate OSA symptoms include:

• Improving sleep consistency

• Exercising regularly

• Addressing excess weight when appropriate

• Limiting alcohol, particularly near bedtime

• Avoiding sedating substances that can worsen breathing

• Practicing appropriate breathing exercises

• Sleeping in a position that reduces symptoms when positional OSA is present

Exercise, PTSD & Better Sleep

Regular exercise can support overall health, sleep quality, body composition and mental and physical resilience. It’s an opportunity to train your body’s response to stress. By controlling your breathe with proper technique and brace, you influence your heart rate to stay steady and your mind to be calm under stress. You learn strategies for your nervous system to adapt to grow under discomfort in a controlled environment.

Conclusion

PTSD can significantly disrupt sleep, sleep apnea can fragment sleep and contribute to daytime impairment, and the two conditions can occur together—particularly among Veterans. So if you have PTSD and you're constantly exhausted, waking up gasping, snoring loudly, experiencing nightmares, or never feeling rested, don't automatically assume it's simply part of PTSD.

Pay attention to what your body is doing while you sleep. Get evaluated if you need to. Treat the sleep disorder if one is found. Work on your PTSD. And use exercise, breathing, and other healthy habits as complementary tools rather than replacements for appropriate medical treatment. Because healing isn't just about what happens while you're awake.

Your body has to recover while you sleep, too.

About the Author:

COACH DEE | Certified Strength & Conditioning Coach, CSCS, ACE—CPT

Deborah Park, known as Coach Dee, is the owner of Drip Training LLC and an ACE Certified Personal Trainer and Health Coach. With a background in architecture and kinesiology from the University of Virginia, she has extensive experience in personal training and athletic coaching in a clinical (physical therapy) setting. Coach Dee combines her scientific knowledge with years of hands-on experience and generational knowledge of food as medicine to create programs that empower clients to regain control over their bodies and minds.

Her journey into personal training was deeply influenced by her personal struggles, including recovering from a life-changing car accident that led to PTSD and pain from scoliosis. This experience gave her a unique understanding of the connection between mental health and physical well-being. Coach Dee is committed to helping clients develop resilience, build strength, and rediscover their confidence—no matter the challenges they face.