*The Richard & Judy Book Club pick from the No.1 bestselling author*From the outside, Emma has the dream life - a loving husband, a beautiful house, two gorgeous children.But something is keeping Emma awake.Scratching at her sanity at 1am.She's tried so hard to bury the past, to protect her family. But witching hour loves a secret - and Emma's is the stuff of nightmares . . .A DREAM OF A THRILLER FROM THE NO.1 BESTSELLING AUTHOR OF NETFLIX HIT, BEHIND HER EYES'Prepare to be totally and utterly blown away by Insomnia. Sarah Pinborough is a twisted genius' Lisa Jewell'Pinborough writes like an absolute dream about an absolute nightmare. I loved it!' Richard Osman'Another mind-twisting, genre-bending rollercoaster from Queen of WTF Sarah Pinborough' Ruth Ware'Creepy as all get out - a gaslighting masterclass' Ian Rankin'Pinborough's unsettling, remorseless psychological thriller is horribly plausible and expertly plotted' Sunday Times'Insomnia is a twisted, dark ride that keeps you gripped, unable to look away. Utterly addictive and highly recommended' Lucy Clarke'Don't start this at night - it's guaranteed to steal your sleep' Cara Hunter'One crazy sleepless ride building up to a hideously tense climax. Expertly done - Sarah Pinborough is the queen of unsettling, twisty reads' Harriet Tyce'This terrifying thriller about a family under threat from within is a total page-turner' Gilly Macmillan'Absolutely brilliant, completely unputdownable and so satisfying' Jenny Colgan'A whip smart page turning triumph' Jane Shemilt