Keynote Speakers
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Prof. Christian Cajochen
Basel, Switzerland
New developments of non-image forming effects of light in humans
![](http://chronobiology2019.org/wp-content/uploads/2019/01/D-Dijk-1-214x300.jpg)
Prof. Derk-Jan Dijk
Guildford, United Kingdom
Circadian regulation of the human sleep-wake cycle: new insights
![](http://chronobiology2019.org/wp-content/uploads/2019/06/unnamed-300x200.png)
Prof. Andries Kalsbeek
Amsterdam, Netherlands
Daily rhythms in energy metabolism: how to time best light, food and activity
![](http://chronobiology2019.org/wp-content/uploads/2019/06/Timo_Partonen_3-300x200.jpg)
Prof. Timo Partonen
Helsinki, Finland
Chronobiology of mood and chronotype-driven impacts on health at population level
![](http://chronobiology2019.org/wp-content/uploads/2018/10/Prof.-Portaluppi-266x400-200x300.jpg)
Prof. Francesco Portaluppi
Ferrara, Italy
Pathophysiologic control of melatonin on cardiovascular function and blood pressure regulation