Sheridan Smith says ADHD diagnosis helped her make sense of a lot of things'

I never know what to say and I overthink...[I'm called] Shadow Sheridan because all I do is lurk.

Smith will next take on the role of Myrtle in Opening Night, which is based on the 1977 film of the same name. It follows a theatre company's preparations to stage a new play on Broadway, according to the synopsis. But drama ignites backstage when their leading lady is rocked by tragedy.

Read at www.theguardian.com