DOT Physicals in Slidell, LA – Same‑Day CDL Medical Cards
Sleep Apnea and the CDL Driver
What CDL drivers should know about sleep apnea, DOT physical requirements, and staying medically certified.
11/24/20251 min read


If you're a commercial driver diagnosed with sleep apnea and prescribed a CPAP machine, FMCSA guidelines focus on treatment compliance and safety assurance. Here's what you need to know:
FMCSA Guidelines for Drivers Using CPAP
1. One year Medical Re-Certification-With Proof of Compliance
- You can be medically certified to drive if you demonstrate effective treatment of sleep apnea using CPAP therapy. ME requires your compliance report of 365 days.
2. Initial Disqualification Until Treatment Begins
- If recently diagnosed with moderate to severe Obstructive Sleep Apnea (OSA), you may be temporarily disqualified until you begin CPAP therapy and show compliance.
- Most examiners require at least 30 consecutive days of CPAP usage before re-certification.
3. Ongoing Compliance Monitoring
- You must show data from your CPAP machine proving regular use:
- Minimum 4 hours per night
- At least 70% of nights
- CPAP machines with data recording capability are essential for documentation.
4. Annual Recertification
- Drivers with sleep apnea are usually certified for one year at a time.
- Each year, you’ll need to provide updated CPAP usage data to maintain certification.
5. Non-Compliance Risks Disqualification
- If you stop using your CPAP or fail to meet usage thresholds, you may be disqualified until compliance resumes.
Key takeaways:
- Drivers already using CPAP machines must show at least 70% compliance over the past 365 days to be eligible for annual recertification. This means using the machine for at least 4 hours per night on 70% of nights.
- Drivers newly prescribed CPAP therapy must provide a minimum of 30 consecutive days of compliance data before being considered for medical certification.
- Non-compliant drivers—those who fail to meet usage thresholds or discontinue therapy—typically receive shortened certification periods or may face disqualification until compliance is re-established.
