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Light O'Clock
Episodes
Interacting with Daylight Mini-Series – Episode 2: Culture & behaviour
07 Apr 2026
Contributed by Lukas
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 indi...
Interacting with Daylight Mini-Series – Episode 1: Geolocation
17 Mar 2026
Contributed by Lukas
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...
Light O'Clock (Live episode) – Night owl or early riser? A live podcast episode
10 Feb 2026
Contributed by Lukas
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...
Spotlight – Winter blues: SAD and how to winter well
27 Jan 2026
Contributed by Lukas
Many people notice changes in mood, energy, and motivation during the dark winter months. In this episode, we explore Seasonal Affective Disorder (SAD...
Light O'Clock goes live: Send us your questions!
21 Oct 2025
Contributed by Lukas
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 w...
Season 3 – Episode 5: Drowning in light – The hidden costs of light pollution
26 Aug 2025
Contributed by Lukas
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 ...
Season 3 – Episode 4: Too early to think? Why school start times matter for sleep and learning
29 Jul 2025
Contributed by Lukas
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 schoo...
Episode 3: Blurred vision – The myopia epidemic and indoor lifestyles
23 Jun 2025
Contributed by Lukas
Today, more and more children around the world are developing myopia, or nearsightedness — especially in East Asia, where prevalence among school-ag...
Season 3 – Episode 3: Blurred vision – The myopia epidemic and indoor lifestyles
29 May 2025
Contributed by Lukas
Today, more and more children around the world are developing myopia, or nearsightedness — especially in East Asia, where prevalence among school-ag...
Season 3 – Episode 2: City lights, country nights – Circadian rhythms in urban and rural life
29 Apr 2025
Contributed by Lukas
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? ...
Season 3 – Episode 1: Tick-tock trouble – How clock changes affect our health
25 Mar 2025
Contributed by Lukas
On 30 March 2025, Europe will switch to Daylight Saving Time (DST), moving clocks forward by one hour. While many people enjoy longer evenings, scient...
Season 3 – Trailer
18 Mar 2025
Contributed by Lukas
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 moder...
Spotlight: Research, rooted in reality – The power of lived experience in scientific studies
25 Feb 2025
Contributed by Lukas
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...
Spotlight: The dark side of daylight (Daylight Awareness Week 2024)
31 Oct 2024
Contributed by Lukas
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...
Season 2 – Episode 5: Shedding light on… circadian rhythms and mental health
29 Oct 2024
Contributed by Lukas
In today’s episode, we dive deep into the relationship between light, circadian rhythms and mental health with Prof. Daniel Smith from the Universit...
Season 2 – Episode 4: In and out of sync
15 Oct 2024
Contributed by Lukas
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 rh...
Season 2 – Episode 3: Early birds and night owls – what is chronotype?
01 Oct 2024
Contributed by Lukas
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 ...
Season 2 – Episode 2: Sleep and circadian rhythms – same or different?
17 Sep 2024
Contributed by Lukas
In today’s episode, we dive deep into the relationship between circadian rhythms and the sleep-wake cycle with Dr. Renske Lok from Stanford Universi...
Season 2 – Episode 1: Cave studies and fruit flies – the history of chronobiology
03 Sep 2024
Contributed by Lukas
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 b...
Season 2 – Trailer
30 Aug 2024
Contributed by Lukas
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 an...
Season 1 – Episode 6: You ask, we answer – special Q&A episode
16 May 2024
Contributed by Lukas
[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 bringi...
Season 1 – Episode 5: Shedding light on… pupil size across the lifespan
30 Apr 2024
Contributed by Lukas
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. Raf...
Season 1 – Episode 4: Melatonin – the night time hormone
16 Apr 2024
Contributed by Lukas
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 th...
Season 1 – Episode 3: Using light to tell time
02 Apr 2024
Contributed by Lukas
This episode, neuroscientist Prof. Robert Lucas from the University of Manchester and your host, Caro Guidolin, explore the multifaceted roles of diff...
Season 1 – Episode 2: Light’s journey through the eye
19 Mar 2024
Contributed by Lukas
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 Guidol...
Season 1 – Episode 1: Light exposure – why should we care?
05 Mar 2024
Contributed by Lukas
Welcome to the inaugural episode of Light O'Clock! In this enlightening debut, your host, Caro Guidolin, engages in a compelling conversation about th...
Season 1 – Trailer
20 Feb 2024
Contributed by Lukas
Discover the new podcast on how light affects our body! Contact us: [email protected] Website: https://tscnlab.org/podcast
Episode 1: Light exposure – why should we care?
12 Feb 2024
Contributed by Lukas
Welcome to the inaugural episode of Light O'Clock! In this enlightening debut, your host, Caro Guidolin, engages in a compelling conversation about th...