Using your CPAP every night is essential for DOT compliance and your health. Drivers with sleep apnea must show 30 days of CPAP usage—4+ hours per night on 70% of nights—to qualify for a DOT medical card. Consistent use improves sleep, boosts focus, and keeps you safe and certified to drive.

Understanding the DOT Urine Test: A Crucial Component of the Department of Transportation Physical Exam