Dr Katharina Lederle is a human sleep and body clock specialist who helps people improve their sleep and live their lives to the full. She is also founder of Somnia, a boutique sleep science and therapy organisation. Through Somnia, Katharina raises awareness about the importance of healthy sleep and provides one-to-one sessions, sleep workshops and educational talks helping people sleep well and feel good. Katharina 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 sleep patterns, specifically in the elderly. Katharina is also trained in Mindfulness, Acceptance and Commitment Therapy and Compassion Focused Therapy, which she uses in her work with insomnia clients. Based in London, Katharina has worked with a number of sleep-centred organizations, including Clockwork Research, where she advised national and international airlines, emergency helicopter services, and petrochemical and mining companies around the world on sleep and fatigue. She also provides sleep consultancy services to a range of businesses and institutions, including management consultancies, universities, other sleep therapy providers, and pharmaceutical companies.