Video and Audio

How light influences our health – Dr. Jeanne Fürst from Gesundheit Heute on Swiss tv channel SRF interviews Dr. Christian Cajochen about the connections between light, sleep and health.

How light influences our health – video by TV channel SRF on Youtube (German)

Light O'Clock logo

The podcast “Light O’Clock – A podcast on light and your body clock” by the Translational Sensory & Circadian Neuroscience Unit of Manuel Spitschan (Technical University of Munich and Max Planck Institute for Biological Cybernetics) started in 2024. All episodes can be found here:


The eye – window to the brain – Interview with Ms. Yvonn Séraphine Scherrer on how lacking light perception via the eyes affects sleep and circadian rhythms, as part of the iHCDP event “Dawn to Dusk” for the International Day of Light 2022 (44 min, German with English subtitles)

Interview with Yvonne Scherrer as part of the Dawn to Dusk event 20 May 2022

Dim days and long nights: Optimising light exposure during the dark period of the year – Talk by Prof. Manuel Spitschan as part of the DeLIGHTed-Series 3rd November 2021 (61 min)

Talk by Prof. Manuel Spitschan as part of the DeLIGHTed-Series 3rd November 2021

Relevance of Daylight for Humans – Talk by Dr. Mirjam Münch as part of the DeLIGHTed-event on 11th May 2021 (15 min)


The non-visual effects of light on human physiology and behaviour – from principles to practice – Video of talk by Prof. Manuel Spitschan at VELUX Build for Life Conference 14th November 2021 (17 min)

Talk by Prof. Manuel Spitschan at VELUX Build for Life Conference 14th November 2021

Videos of talk series “Current Topics in Sleep and Circadian Health” are available on YouTube