American
Mark Burhenne is an American dentist and author who writes about sleep and health. He practices family dentistry in the San Francisco Bay Area, where he has focused on the link between sleep-disordered breathing, such as snoring and sleep apnea, and problems in the mouth, including teeth grinding. He runs the website Ask the Dentist and hosts a podcast of the same name, through which he gives readers practical advice on oral health and sleep. His books include The 8-Hour Sleep Paradox, published in 2016, and The 8-Hour Sleep Paradox's later expanded edition, as well as a guide to better sleep for general readers. He argues that sleep quality matters more than hitting a fixed number of hours, and that many sleep problems have causes that can be found and treated. His work is aimed at lay readers rather than specialists, and he draws on his clinical experience as a dentist.