Patients with Parkinson’s disease are usually advised to inform the driving licensing authority and their driving insurance company of the diagnosis. However, until a few years ago, Parkinson’s disease was not considered a major obstacle to safe driving until the advanced stages. This changed when in 1999 sudden onset sleep attacks in patients with Parkinson’s disease on dopaminergic drugs were first reported.¹ This not only led to considerable concern about the safe use of dopaminergic drugs in patients who drive, but also to a flurry of studies investigating the frequency of the problem, the contributing …