We explore symptoms and strategies used by people with narcolepsy and idiopathic hypersomnia to combat drowsy driving. 61% had >1 accident/near miss, often preceded by eye closure and postural changes, cognitive impairment and mind wandering, autonomic and sensory changes.

Countermeasures included pain, cold air, and self-induced scare (eg, sudden breaking). These insights could help reduce crash risk for all drivers and devise new systems to prevent road accidents. #SleepDisorders#RoadSafety