S J Watson was born in the Midlands, lives in London and worked in the NHS for a number of years.
In 2009 Watson was accepted into the first Faber Academy 'Writing a Novel' Course, a programme that covers all aspects of the novel-writing process. Before I Go to Sleep is the result.
Now sold in over 30 languages around the world,Before I Go To Sleep has been also been acquired for film by Ridley Scott's production company, Scott Free, with Rowan Joffe to direct. Filming is scheduled to begin in 2011.