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...

We are always looking for people to share their lighting experiences with us. So, if you want to spend 30 days in good light, outside, in...

Do you feel tired while working? Do you feel moody or depressed, have trouble waking up? Probably your lighting conditions are not...

Do you feel tired while working? Can't concentrate or feel unproductive. Most likely, you don't have the right light. You need good light...

Feeling moody or depressed, having trouble waking up? In winter we spend more time indoors. The light during the day is often too dark...

Another interview! This time for ‘OG wijzer’ which is the knowledge and information platform for technical real estate professionals in...

This could very well be because your brain is not properly synchronised with real time. Try good light! Bring good light into your life...

Do you often sit sleepy at your laptop and feel unproductive? Are you sleepy when you want to work, need an alarm clock to wake up and...

Jan Denneman, chairman Good Light Group, speaks at the Future Lighting event on 23 November in Gorinchem, the Netherlands. Here is a...

Have you heard that a good night's sleep starts in the morning? Indeed, your body needs exposure to sunlight to reset its internal clock...

This weekend, in many northern hemisphere countries, times will be set back to normal. Popularly called winter time, but it is our normal...

Daylight gives life. This is common knowledge. The energy of daylight is undeniable. Plants need daylight to grow, to survive. Animals...

A new podcast aired on health and nutrition since March 2022! One of the world's top scientists in this field explains the latest...

An artikel by Jan Denneman for the Led professional Review Life on earth has developed over hundreds of millions of years under the...

It is essential that buildings and homes contain natural light and fresh air as a fundamental part of their environmental factors. In...