SleepDr. Kenneth Wright on Shift Work and SleepCopyFacebookXTruthGettrLinkedInTelegramEmailAdd to My ListSaveShotPrime Studio/ShutterstockBy National Institutes of Health8/19/2022Updated: 3/24/2023PrintExcerpts from our conversation with Dr. Kenneth Wright, Jr., an NIH-funded expert on sleep at the University of Colorado, Boulder.NIHNiH: What is the circadian system? And why is it disrupted by shift work, such as working the night shift?