Heather Darwall-Smith is a psychotherapist and bodyworker specialising in sleep, including circadian rhythm disorders, neurodiversity, and insomnia. With a master's in mindfulness-based psychotherapy and UKCP accreditation, she has honed her expertise training in sleep science at the University of Oxford. Darwall-Smith's innovative approach helps clients find freedom in their relationship to stress and sleep. As a dynamic speaker, media spokesperson, and trainer, she captivates audiences worldwide, making complex sleep science accessible and engaging. She authored The Science of Sleep and is set to publish her second book, How to Be Awake (So You Can Sleep Through the Night), in early 2025.