Heather Darwall-Smith is an experienced and accredited UKCP psychotherapist and sleep specialist with a private practice based in London. She has a Master’s degree in Psychotherapy and certifications in multiple therapeutic techniques, including CBTI and MBCBT.She is the author of The Science of Sleep (published in 2021), which has been translated into multiple languages, and press include features in The Daily Mail, The Daily Mirror and Happiful, alongside various podcast and literary festival appearances.

'A brilliant and accessible book which brings scientific rigor to the variety of sleep problems I frequently see in the therapy room. With its clear explanations and practical steps, this is my go-to recommendation for every one I see who struggles with sleep.' Dr Claire Plumbly, Clinical Psychologist and author of Burnout – How To Manage Your Nervous System Before It Manages You'Rewrites everything we know about sleep. A must-read. Heather's deeply humane and practical advice stresses that sleep shouldn't be another thing we all start obsessing over; another area where we decide we're "not good enough or failing. Eleanor Mills, Founder of Noon'Insightful, immensely practical and refreshingly counter-intuitive.' Ali Catterall, Influence Online