April 6, 2026

Sleep Apnea Secondary to PTSD: VA Ratings and How to Get Approved

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Sleep apnea secondary to PTSD isn’t automatically service connected by the VA. You must show that your service-connected PTSD caused or worsened your sleep apnea. 

If you have PTSD and now experience poor sleep, loud snoring, or use a CPAP machine, you may qualify for VA disability compensation. 

However, the VA requires clear medical evidence linking your PTSD to your sleep apnea. 

In this post, you’ll learn how the VA rates sleep apnea, what you need for a strong claim, and what to do if you’re denied. 

Summary of Key Points

  • PTSD and sleep apnea are strongly connected, with research showing a higher risk and severity of sleep apnea in those with PTSD. 
  • The VA rates sleep apnea secondary to PTSD under Diagnostic Code 6847, based on severity, including daytime sleepiness, CPAP use, and serious complications like respiratory failure with carbon dioxide retention, cor pulmonale, or the need for a tracheostomy. 
  • A strong nexus letter can clearly link your service-connected PTSD to your sleep apnea and improve your chances of service connection, especially for secondary or previously denied claims. 

Can PTSD Cause Sleep Apnea in Veterans?

PTSD doesn’t always directly cause sleep apnea, but research shows a strong connection in veterans. 

A 2015 study found that about 69% of Iraq and Afghanistan veterans with PTSD were at high risk for sleep apnea, and the risk increased as PTSD symptoms worsened. 

PTSD can affect sleep through disrupted sleep patterns, chronic stress, and changes in breathing control. 

Over time, poor sleep and ongoing stress can increase the risk of airway blockage, which can lead to or worsen sleep apnea. 

Did you know? Obstructive sleep apnea (OSA), caused by a physical blockage of the airway, is the most common type and is often linked to PTSD. 

How the VA Rates Sleep Apnea Secondary to PTSD

The VA rates sleep apnea secondary to PTSD under 38 CFR § 4.97, Diagnostic Code  (DC) 6847, with potential ratings of 0%, 30%, 50%, or 100%. 

VA ratings for sleep apnea are based on severity, including daytime sleepiness, the need for a CPAP or other breathing device, and severe complications like respiratory failure with carbon dioxide retention, cor pulmonale, or the need for a tracheostomy. 

Sleep Apnea VA Rating Chart

DC 6847, Sleep Apnea Syndromes (Obstructive, Central, Mixed): VA Rating 
Chronic respiratory failure with carbon dioxide retention or cor pulmonale, or; requires tracheostomy 100% 
Requires use of breathing assistance device such as continuous airway pressure (CPAP) machine 50% 
Persistent day-time hypersomnolence 30% 
Asymptomatic but with documented sleep disorder breathing 0% 

>> See our full guide on VA Ratings for Sleep Apnea 

How to Prove Service Connection

To service connect sleep apnea secondary to PTSD, you must clearly prove the following: 

  • A current medical diagnosis of sleep apnea 
  • A current service-connected primary disability (In this case, PTSD)  
  • A medical nexus or link establishing a connection between the service-connected PTSD and the current disability you’re trying to connect 

Note: You must attend a sleep study to be eligible for a sleep apnea VA rating. 

>> See our full guide on How to Connect Sleep Apnea to Military Service 

Nexus Letter for Sleep Apnea Secondary to PTSD

To get sleep apnea service connected as secondary to PTSD, you need to show that your PTSD caused or worsened your sleep apnea. 

A nexus letter is a medical opinion from a licensed provider that explains this connection using your records and sleep study results and includes VA language like “at least as likely as not.” 

You may not need one if your condition was diagnosed during service, but if you’re filing secondary or were previously denied, a strong nexus letter may improve your chances of approval. 

How to File a VA Claim for Sleep Apnea Secondary to PTSD

You can file a VA claim:   

  • By mail   
  • By fax 

>> Download and Complete VA Form 21-526EZ 

C&P Exam for Sleep Apnea Secondary to PTSD

As part of your VA claim, you may be required to attend a compensation & pension (C&P) exam. 

At your C&P exam, the VA is looking to confirm that you have sleep apnea, you have service-connected PTSD, and that your PTSD caused or worsened your sleep apnea.  

The examiner will review your medical records and sleep study, ask about your symptoms and daily impact, and provide a medical opinion on the connection between the two conditions. 

You can prepare for your C&P exam by: 

  • Gathering your medical records 
  • Documenting your symptoms 
  • Reviewing VA forms and questionnaires 
  • Reviewing your VA Claim File 
  • Being honest and open during exam 

>> Learn More: C&P Exam for Sleep Apnea Secondary to PTSD 

DBQ for Sleep Apnea Secondary to PTSD

A sleep apnea disability benefits questionnaire (DBQ) completed by a private provider can strengthen your claim by clearly documenting your current diagnosis, symptom severity, and daily impact. 

When properly completed, it may make your claim “decision-ready,” allowing the VA to rate it without a C&P exam and move it through the process faster. 

It also gives the VA rater a clear, organized view of your condition, which can reduce delays and improve decision accuracy. 

Denied VA Claim?

If your sleep apnea secondary to PTSD claim was denied, it’s usually because the VA didn’t find a clear connection between your service-connected PTSD and your sleep apnea. 

Common reasons include: 

  • No nexus linking the two conditions  
  • No confirmed or current sleep apnea diagnosis  
  • Incomplete or unclear medical evidence 

If your claim is denied, you can file a Supplemental Claim, request a Higher-Level Review, or Appeal to the Board of Veterans’ Appeals. 

Learn More: How to Appeal a VA Disability Claim Denial 

Conclusion

If you have PTSD and now deal with sleep apnea, you may qualify for VA disability compensation on a secondary basis. 

Remember, the VA doesn’t automatically connect these conditions. You must show that your PTSD caused or worsened your sleep apnea with clear medical evidence. 

If your service-connected PTSD led to ongoing sleep issues or breathing problems, you have the right to pursue the benefits you’ve earned. 

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(FAQs) Frequently Asked Questions

Is sleep apnea secondary to PTSD?

It can be. Sleep apnea may be service-connected as secondary to PTSD if medical evidence shows that service-connected PTSD caused or worsened your condition. 

What is the VA rating for sleep apnea secondary to PTSD?

The VA rates sleep apnea at 0%, 30%, 50%, or 100% based on severity under DC 6847, including symptoms like daytime sleepiness, the need for a CPAP, and serious complications such as respiratory failure with carbon dioxide retention, cor pulmonale, or the need for a tracheostomy. 

How do I prove my sleep apnea is secondary to PTSD?

You need a current diagnosis of sleep apnea, a service-connected PTSD rating, and medical evidence linking the two conditions. Strong evidence can include medical records, a nexus letter, and lay or buddy statements. 

Do you need a sleep study for a sleep apnea VA claim?

Yes. A sleep study is required to confirm a current diagnosis before the VA assigns a rating. 

Can the VA deny sleep apnea secondary to PTSD?

Yes. Claims are often denied when there is no clear medical link between PTSD and sleep apnea, or the evidence isn’t strong enough. 

Content Reviewed By

Content Reviewed by: VA Claims Insider Quality Control Team

 

Quality Assurance Team

The Quality Assurance (QA) team at VA Claims Insider has extensive experience researching, fact-checking, and ensuring accuracy in all produced content. The QA team consists of individuals with specialized knowledge in the VA disability claims adjudication processes, laws and regulations, and they understand the needs of our target audience. Any changes or suggestions the QA team makes are thoroughly reviewed and incorporated into the content by our writers and creators.

About the Author

Kelly Olone

Kelly Olone

Kelly Olone is a military spouse who earned her degree in Psychology from Florida International University. After working in the non-profit sector for several years, she turned to her passion for writing. She aims to contribute to a better understanding of the valuable benefits that veterans deserve. As a mom, Kelly navigates the delicate balance between deadlines and bedtime stories with finesse. 

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