International Collaborations

The Division of Sleep Medicine and the Chronobiology and Sleep Institute (CSI) have developed a number of international efforts in collaborative research, training for research, and visiting scholar opportunities. Some collaborative efforts include:

University of Iceland

The CSCN has a longstanding collaboration with the Sleep Center at the University of Iceland in Reykjavik, directed by Dr. Thorarinn Gislason. The CSCN has jointly developed the Icelandic Sleep Apnea Cohort and have several publications on this. PhD students—Erna Sif Arnardottir and Erla Bjornsdottir—were jointly mentored by Dr. Gislason and faculty at the University of Pennsylvania.

Peking University (PKU)/University of Pennsylvania (Penn) Sleep Program - Beijing, China

There is a joint research/educational sleep medicine center in Beijing co-directed by Dr. Fang Han (PKU) and Dr. Allan Pack (Penn). This program has various components: a) implementation research on sleep apnea; b) annual symposium in China; c) development of training for sleep medicine physicians and sleep technologists.

University of Oxford

The CSCN actively collaborates with the Sleep and Circadian Neuroscience Institute in the Nuffield Department of Clinical Neurosciences at Oxford University in both research and education.


The Sleep Apnea Global Interdisciplinary Consortium (SAGIC) conducts research projects worldwide on a variety of topics related to the common disorder, obstructive sleep apnea. Major foci of activity include personalized medicine approaches, craniofacial risk factors, and genetics of OSA.

For additional information about any of these collaborations, please contact Dan Barrett