Why you've probably been thinking about narcolepsy all wrong

The sleep disorder has been the butt of jokes and a comedic plot point, but the reality of living with narcolepsy is anything but funny.

Things could be about to change for people with the condition though, after the US Food and Drug Administration (FDA) approved the first ever drug to treat narcolepsy itself, rather than just its symptoms. Madeleine Finlay tells Ian Sample how the scientific breakthrough came about, and…