Nadine O'Regan interviews Matt Haig ahead of his appearance at the National Concert Hall.

Author of Reasons to Stay Alive and Notes on a Nervous Planet, Matt Haig is one of the UK's leading voices on coping with depression and the impact of modern life on mental health.

Primarily known as a novelist, he has collaborated with artists across the board and it was recently announced that the producers of award-winning show Fleabag are developing a comedy drama based on Reasons To Stay Alive – his best-selling book.