Colin Espie is Professor of Sleep Medicine at the University of Oxford where he is Director of the Experimental & Clinical Sleep Medicine research programme, and Clinical Director of the Sleep & Circadian Neurosciences Institute. He is also an Emeritus Professor of Clinical Psychology, at the University of Glasgow. He is internationally known for his work on insomnia and its treatment, using cognitive behavioural therapeutics (CBTx). He has published over 300 scientific papers and several textbooks. He is Deputy Editor of Journal of Sleep Research, serves on the editorial board of Sleep Medicine Reviews, and was awarded Honorary Fellow of the BABCP (British Association for Behavioural & Cognitive Psychotherapies) in 2015, and the Mary A. Carskadon Outstanding Educator Award by the Sleep Research Society in 2017. He is actively involved in print, TV and social media regarding the science of sleep. He also co-founded https://www.bighealth.com/ the developer of Sleepio which is now widely available in the NHS-UK and in the US healthcare system.