Shows / Light O'Clock
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Light O'Clock
We break down the science behind circadian rhythms so you can be enlightened. In each podcast episode, we chat with experts in the field about a variety of topics, spanning from the effects of light on our biology and how it can be used for the treatment of psychiatric disorders and beyond. Contact us: lightoclock@tuebingen.mpg.de Website: https://tscnlab.org/podcast
Episodes
Light O'ClockSeason 4 – Episode 5: When we eat matters – food, metabolism, and the body clock
We often hear about what and how much we should eat. But does when we eat matter too? In this episode of Light O'Clock, we speak with Dr Emily Manoogian about…
Light O'ClockSeason 4 – Episode 4: Lighting in the first days of life – Circadian care in neonatal units
In this episode, we speak with Roos Bos, a PhD researcher in the Netherlands studying how light exposure affects preterm infants in the neonatal intensive care…
Light O'ClockSeason 4 – Episode 3: Light therapy in cancer care
Cancer and its treatment are often accompanied by symptoms such as fatigue, sleep problems, low mood, and cognitive difficulties. These symptoms frequently…
Light O'ClockSeason 4 – Episode 2: The best time for a vaccine? Circadian rhythms and immunity
Is there a best time for a vaccine? In this episode of Light O'Clock, we speak with Dr Cathy A. Wyse about whether the time of day when we receive a vaccine…
Light O'ClockSeason 4 – Episode 1: Why biological timing matters in medicine
In the first episode of Season 4, we start with the foundations of circadian medicine. Together with our guest Henrik Oster, we take a tour through the…
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Light O'ClockSeason 4 – Trailer
Light O'Clock is back with Season 4! In this new season, we explore how biological timing shapes health and disease, and how accounting for circadian rhythms…
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Light O'ClockInteracting with Daylight Mini-Series – Episode 3: Built environment
In the final episode of this mini-series, Caro, Anna, and Priji explore how the built environment shapes our interactions with daylight. From balconies and…
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Light O'ClockInteracting with Daylight Mini-Series – Episode 2: Culture & behaviour
In the second episode of our Interacting with Daylight mini-series, Caro is joined by Anna and Priji again to explore how cultural traditions and individual…
Light O'ClockInteracting with Daylight Mini-Series – Episode 1: Geolocation
In this first episode of our new Interacting with Daylight mini-series, your host Caro is joined by Anna and Priji to discuss the Daylight Interaction Project…
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Light O'ClockLive episode – Night owl or early riser? A live podcast episode
In this special episode of Light O’Clock, we share snippets from our very first live recording, captured on stage at Buch Wien in Vienna in November 2025. Host…
Light O'ClockSpotlight – Winter blues: SAD and how to winter well
Many people notice changes in mood, energy, and motivation during the dark winter months. In this episode, we explore Seasonal Affective Disorder (SAD) and the…
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Light O'ClockLight O'Clock goes live: Send us your questions!
Light O’Clock is going live from Vienna at Buch Wien 2025 on Saturday, 15 November – and this time, you set the agenda for the episode! Together with Marie…
Light O'ClockSeason 3 – Episode 5: Drowning in light – The hidden costs of light pollution
For our Season 3 finale of Light O’Clock, we dive into a timely and often overlooked issue: light pollution. Artificial light at night has become a constant in…
Light O'ClockSeason 3 – Episode 4: Too early to think? Why school start times matter for sleep and learning
Why do early mornings feel so brutal for teens? In this episode, we explore the science behind teenage sleep and circadian rhythms and why early school start…
Light O'ClockEpisode 3: Blurred vision – The myopia epidemic and indoor lifestyles
Today, more and more children around the world are developing myopia, or nearsightedness — especially in East Asia, where prevalence among school-aged children…
- Light O'Clock
Season 3 – Episode 3: Blurred vision – The myopia epidemic and indoor lifestyles
Today, more and more children around the world are developing myopia, or nearsightedness — especially in East Asia, where prevalence among school-aged children…
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Light O'ClockSeason 3 – Episode 2: City lights, country nights – Circadian rhythms in urban and rural life
How does life in cities versus rural areas shape our circadian rhythms? How does access to electricity — or the lack of it — impact sleep timing? And what…
Light O'ClockSeason 3 – Episode 1: Tick-tock trouble – How clock changes affect our health
On 30 March 2025, Europe will switch to Daylight Saving Time (DST), moving clocks forward by one hour. While many people enjoy longer evenings, scientists in…
Light O'ClockSeason 3 – Trailer
Light O’Clock is back with a brand new season! In the next five episodes, we’re looking beyond the biology of body clocks to explore how our modern world…
Light O'ClockSpotlight: Research, rooted in reality – The power of lived experience in scientific studies
How do individuals with lived experience and researchers come together to co-design a scientific study? In this special episode of Light O’Clock, we hear from…
Light O'ClockSpotlight: The dark side of daylight (Daylight Awareness Week 2024)
On the occasion of Daylight Awareness Week 2024 (28-31 October) and Halloween, Light O’Clock is partnering up with the Daylight Academy to bring you an extra…
Light O'ClockSeason 2 – Episode 5: Shedding light on… circadian rhythms and mental health
In today’s episode, we dive deep into the relationship between light, circadian rhythms and mental health with Prof. Daniel Smith from the University of…
Light O'ClockSeason 2 – Episode 4: In and out of sync
Did you know that your body has many body clocks? Like instruments in an orchestra, they each have a specific role to play, but how do they stay in rhythm with…
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Light O'ClockSeason 2 – Episode 3: Early birds and night owls – what is chronotype?
Are you an early bird or a night owl? Can you choose to be an early type? In this episode, Dr. Anna M. Biller from the Technical University of Munich explains…
Light O'ClockSeason 2 – Episode 2: Sleep and circadian rhythms – same or different?
In today’s episode, we dive deep into the relationship between circadian rhythms and the sleep-wake cycle with Dr. Renske Lok from Stanford University. Are…
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Light O'ClockSeason 2 – Episode 1: Cave studies and fruit flies – the history of chronobiology
In this episode Prof. Orie Schafer, based at the CUNY Advanced Research Center, takes us through the history of the field of chronobiology, from its beginnings…
Light O'ClockSeason 2 – Trailer
Light O'Clock is back with a brand-new season starting next week! In this season, we will dive deep into the relationship between circadian rhythms and health…
Light O'ClockSeason 1 – Episode 6: You ask, we answer – special Q&A episode
[This episode is available as a video episode on YouTube.] In occasion of International Day of Light (16 May 2024), the Light O’Clock team is bringing you an…
Light O'ClockSeason 1 – Episode 5: Shedding light on… pupil size across the lifespan
In this episode of Light O’Clock, Caro Guidolin chats with Rafael Lazar, a PhD student in the field of chronobiology at the University of Basel. Rafael studies…
Light O'ClockSeason 1 – Episode 4: Melatonin – the night time hormone
Have you ever wondered why most people lean towards dark bedrooms for a good night's sleep? How light at night can affect our sleep is the focus of this…
Light O'ClockSeason 1 – Episode 3: Using light to tell time
This episode, neuroscientist Prof. Robert Lucas from the University of Manchester and your host, Caro Guidolin, explore the multifaceted roles of different…
Light O'ClockSeason 1 – Episode 2: Light’s journey through the eye
In this episode, we delve into the topic of how our eyes deal with visible light and enable us to see colours and details. Join your host, Caro Guidolin, as…
Light O'ClockSeason 1 – Episode 1: Light exposure – why should we care?
Welcome to the inaugural episode of Light O'Clock! In this enlightening debut, your host, Caro Guidolin, engages in a compelling conversation about the…
Light O'ClockSeason 1 – Trailer
Discover the new podcast on how light affects our body! Contact us: lightoclock@tuebingen.mpg.de Website: https://tscnlab.org/podcast
- Light O'Clock
Episode 1: Light exposure – why should we care?
Welcome to the inaugural episode of Light O'Clock! In this enlightening debut, your host, Caro Guidolin, engages in a compelling conversation about the…