Motorists in the UK are being reminded of the legal obligation to report certain medical conditions to the DVLA, with failure to do so potentially leading to fines of up to £1,000. The warning specifically targets those with conditions like obstructive sleep apnoea syndrome (OSAS), even if they have not been formally diagnosed.
Under DVLA rules, drivers must disclose moderate or severe cases of OSAS, as well as mild cases that cause excessive daytime sleepiness. The legal requirement aims to address growing concerns over fatigue-related incidents on the road, which are responsible for up to 20% of all road accidents and a quarter of fatal or serious collisions.
Experts caution that driving while extremely tired can be as hazardous as driving under the influence of alcohol. OSAS causes repeated breathing disruptions during sleep, leading to excessive tiredness, poor concentration, and slower reaction times—symptoms that significantly impair a driver’s ability to operate a vehicle safely.
The Sleep Apnoea Trust estimates that 10 million people in the UK suffer from sleep apnoea, with around four million experiencing severe symptoms. Despite its widespread nature, the condition is often difficult to diagnose, as its symptoms are most apparent during sleep. Common signs include heavy snoring and prolonged fatigue, but many people remain undiagnosed.
Graham Conway, Managing Director at Select Car Leasing, emphasized the risks associated with sleep apnoea, pointing out that the condition is not only hard to diagnose but also easy for drivers to overlook. “While sleep apnoea is a common medical condition, it can be difficult to detect, as the symptoms occur when you’re asleep,” Conway explained. “However, it’s vital for drivers to report this condition to the DVLA, as failure to do so could result in prosecution and more severe penalties, particularly if an accident occurs due to fatigue.”
The DVLA stresses that failing to report a medical condition could also invalidate car insurance policies. Drivers are advised to notify their insurance providers of any medical conditions that may affect their ability to drive.
Diagnosis typically involves referral to a sleep clinic, where patients may undergo tests such as overnight monitoring of breathing and heart rate. Treatment for mild cases may include lifestyle changes like weight loss and smoking cessation. More severe cases are often managed with a CPAP (Continuous Positive Airway Pressure) machine, which helps keep the airways open during sleep.
Conway urged drivers to consult their GP if they suspect they have sleep apnoea, noting that treatment is effective in many cases. “If you’re experiencing symptoms, it’s crucial to talk to your GP. The condition can usually be managed with a CPAP machine, making it easier to safely return to driving.”
The DVLA assesses whether it is safe for drivers to continue operating vehicles based on their diagnosis and treatment progress. For those with OSAS, studies show they are between six and 15 times more likely to be involved in a road traffic accident than those without the condition.
Conway added, “Reporting a medical condition to the DVLA is not just about complying with the law; it’s about ensuring road safety for everyone. It’s a straightforward process, and completing the necessary forms online can prevent serious consequences.”
The DVLA offers guidance on how drivers can report sleep apnoea. Car or motorcycle licence holders must fill out form SL1, while bus, coach, or lorry drivers are required to submit form SL1V. The agency advises that drivers should not get behind the wheel if they are still experiencing excessive sleepiness or have not effectively managed their condition.
For further information, drivers can visit the DVLA website to access the necessary reporting forms.
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