Dave sits down with Ulysse Dormoy, CEO of Atrium Ltd, to explore a subject hiding in plain sight: the light we live under every day — and how it’s quietly impacting our health, performance, and wellbeing 🌞🏙️

What starts as a conversation about lighting design quickly reveals a much bigger story. From LED flicker and infrared deprivation, to the shocking parallels between ultra-processed food and ultra-processed light, Ulysse shares his journey into the world of light as a biological force.

We dive into:
🔎 How modern offices and homes are robbing us of essential light
🌿 Why sunlight exposure, shadow mapping, and solar orientation matter more than ever
🧠 The science behind photobiomodulation and its rising popularity
🏢 The silent health risks baked into energy-efficient architecture
🚶‍♂️ What designers, planners, and employers can do to build truly healthy environments

You’ll also hear why Ulysse carries a spectrometer everywhere, what happens when beauty brands get lighting wrong, and how we might be heading towards a "lighting tobacco moment" — where health meets accountability ⚠️

Whether you're an architect, designer, developer, or just spend too much time indoors, this episode will change the way you think about light, space, and health forever 🌇

Sunlight Matters is a podcast exploring the role of the Sun in human health, architecture, cities, and everyday life.

Through conversations with scientists, architects, and technologists, the series examines how natural light shapes our bodies, our buildings, and the way we live indoors.

Hosted by Dave Wallace, Sunlight Matters asks a simple but overlooked question: what happens when we disconnect from the Sun?

Because sunlight isn’t optional. It matters.

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