Episode 49: Social Time

What is social time and what happens when it is out of sync with sun time and our own internal time? Daylight saving time is an example of social time, that can have significant consequences on health. We discuss social time and daylight saving time with Prof Till Roenneberg, researcher and author, who has a long research career in sleep and biological rhythms.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk – Talking all things sleep.

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Audio Timeline / Chapters:

  • 00:00 – 02:27 Introduction
  • 02:27 – 24:52 Theme – Social Time
  • 24:52 – 25:49 Clinical Tip
  • 25:49 – 28:15 Pick of the Month
  • 28:15 – 29:15 What’s Coming Up?

Next episode: Sleeping in the Heat

Links mentioned in the podcast: 


Guest interviews:

Prof Till Roenneberg started to work on biological rhythms with Jürgen Aschoff at the age of 17. He studied Biology and Neuroscience in Munich and at the University College, London, and worked for several years at Harvard University. He studies the human clock and sleep both in the laboratory and the real world and is currently putting together the Human Sleep Project, a research network that aims to understand sleep by measuring activity and other variables with simple devices in thousands of people outside of laboratories. He has received several international research and teaching prizes, has created and coordinated many international research networks, and worked in close collaboration with industry for many years. His is currently President of the European Society for Rhythms Research, EBRS, President of the World Federation of Societies for Chronobiology, WFSC. He has published over a 170 papers and a book (“Internal Time” Harvard University Press, 2012).

Regular hosts:

Dr Moira JungeDr Moira Junge is a health psychologist working in the sleep field, who has considerable experience working with people with sleeping difficulties in a multidisciplinary practice using a team-based approach. Moira is actively involved with the Australasian Sleep Association (ASA) and a board member of the Sleep Health Foundation. She has presented numerous workshops for psychologists and is involved with Monash University with teaching and supervision commitments. She is one of the founders and clinic directors at Yarraville Health Group which was established in 1998. In addition to her expertise in sleep disorders, her other areas of interest and expertise include smoking cessation, psychological adjustment to chronic illness, and grief and loss issues.


Dr David CunningtonDr David Cunnington is a sleep physician and director of Melbourne Sleep Disorders Centre, and co-founder and contributor to SleepHub. David trained in sleep medicine both in Australia and in the United States, at Harvard Medical School, and is certified as both an International Sleep Medicine Specialist and International Behavioural Sleep Medicine Specialist. David’s clinical practice covers all areas of sleep medicine and he is actively involved in training health professionals in sleep. David is a regular media commentator on sleep, both in traditional media and social media. David’s recent research has been in the area of non-drug, psychologically-based treatments such as cognitive behavioral therapy and mindfulness in managing insomnia, restless legs syndrome and other sleep disorders.

Connect with David on Twitter or Facebook.

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