We are excited to share the release of the updated Good Light Guide, a comprehensive resource that delves into on the science of lighting...

Twilight indoors causes sleep and mood problems. Because we are in twilight the whole day, our biological clock starts running behind the...

Science advisors and board members of the Good Light Group have written a position paper on the effects of good light and plea for...

Twilight indoors We spend more than 90% of our time indoors and shielded from daylight. Indoors the light level is the same as the light...

The right lighting can make a world of difference in your daily life! That’s why we, together with Johan Krijl developed whiteboard...

Our body has a daylight detector: light sensitive cells in our eyes, called “spheres”. These connect to the part of the brain called the...

Using Forced Desynchrony designs to investigate the impact of circadian rhythms and homeostatic sleep pressure on human sleep. A blog by...

It is almost daylight saving time, also known as summer time. This weekend in most countries in Europe and next weekend in most countries...

Good sleep When our biological clock is properly aligned with time we are fit during the day, our mood is upbeat and rest well during...

We have summarized our accomplishments in 2022 and outlined our plans for 2023 and beyond. We still want to grow a lot especially in the...

Adjusting the biological clock The daylight detector uses light to adjust our biological clock with the time of day. In the morning the...

Good light is essential for our health and well-being, and actually to realise . That is why we have launched our 30-day good light...

A blog written by Marina Giménez (University of Groningen) Research has consistently shown that exposure to natural sunlight is crucial...

Our participant ILDC (intelligent lighting design & consultation) is launching a crowdfunding Indiegogo campaign for their new product....

Daylight detector Our body has a daylight detector: Light-sensitive cells in our eyes called spheres. These connect to the part of the...

Good light keeps our body in balance. We evolved for tens of thousands of years living outside under the rhythms of the natural light....

A blog by Bruno Smets. Lack of sleep has a substantial impact on people’s health and well-being, as well as on their cognitive...

Your biological clock With the help of light, our biological clock keeps our body in balance with the time of the day. It improves our...

We, humans, evolved for tens of thousands of years living outside under the rhythms of natural light. Our body rhythms, including...

The holidays are over, it's chilly, wet and dark, we prefer to sit inside. Yet you need a daily dose of good light: it makes you more...