Dr. Katharina Lederle gained an MSc in Biosciences at Ruprecht-Karls University, Germany. She then completed a PhD in Human Circadian Physiology & Behaviour (the human body clock) at the University of Surrey, UK. Her PhD looked at the effects of light on human sleeping patterns, specifically in the elderly. Katharina is also trained in Mindfulness and Acceptance Commitment Therapy, which she uses in her work with insomnia clients. She has worked with a number of sleep-centered organizations. These include Clockwork Research where she advised national and international airlines, emergency helicopter services, petrochemical and mining companies around the world on sleep and fatigue. She also provides sleep consultancy services to a range of businesses, including The Sleep School and pharmaceutical companies. Katharina is co-founder of Somnia, an organization that raises awareness about the importance of healthy sleep and which provides one-to-one sessions, sleep workshops and educational talks helping people sleep well and feel good.