Sheridan Smith has candidly opened up on her mental health and how she feared she would struggle with it once again after giving birth.The 39 year old actress, who had roles in Cilla, Mrs Biggs and Gavin and Stacey, welcomed baby boy Billy with her partner Jamie during lockdown. And now, ahead of her ITV documentary release, which is set to focus on her journey into motherhood, Sheridan has shared her mental health fears.