Dr. Cedernaes is a licensed medical physician (Leg. läkare), has a Ph.D. in medicine, and is an associate professor (docent) in medical cell biology at Uppsala University, Sweden. He works as a sleep & circadian rhythm researcher at Northwestern University in Chicago & Uppsala University in Sweden.
He has co-authored over 65 peer-reviewed articles, and has also co-authored a chapter on the role of circadian rhythms in Harrison’s Principles of Internal Medicine. His research has focused on cognitive and metabolic effects of disrupted sleep and circadian rhythms, both in humans and in animals.
Together with Dr. Christian Benedict, Jonathan Cedernaes runs the Facebook group on Sleep science, which aims to disseminate the latest research on sleep and circadian rhythms, and which has over 3,000 members. Dr. Cedernaes has also worked as an ambassador for the public outreach committee of the Society for Research on Biological Rhythms (SRBR).
Interviews with Dr. Cedernaes have appeared in several popular media outlets, such as:
- CNN
- The Guardian (see also e.g. here)
- New Scientist (see also e.g. here, and here)
- Medical News Today (see also here)
- Endocrine News
- SvD (see also e.g. here)
- Dagens Nyheter
- Forskning och Framsteg
- Äldre i Centrum
- The German newspaper Der Spiegel
- SVT Fråga Doktorn
Dr. Cedernaes is also interested in science communication, including about SARS-CoV-2 and COVID-19. He has worked as an active moderator of the Swedish medical doctor Facebook group on COVID-19, which has over 21,000 members.