**A dream of a thriller from the No.1 bestselling author - now a major TV series for Paramount+**

'This heart-pounding thriller will have you up all night' Clare Mackintosh

'Pinborough writes like an absolute dream' Richard Osman

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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 ...

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

'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

Behind Her Eyes was a Sunday Times No.1 bestseller for w/e 04/02/2017