Coronation Street star Sydney Martin has opened up about the amount of preparation that has gone into Betsy Swain's ongoing stroke storyline. What to Read Next"One of the biggest questions I got asked a lot was about the current storyline on Coronation Street," she began. Related: Coronation Street's Sydney Martin praises powerful detail in Betsy's stroke story"But we spoke to some amazing people, some amazing charities, Nieve, Louise, the Stroke Association, IFAS, Safeline. Readers in the US can contact the American Stroke Association. Coronation Street airs on weeknights at 8.30pm on ITV1 and streams on ITVX.