Tone Elise Henriksen Tone Elise Henriksen is a Science Advisor of the Good Light Group. She works as a consultant psychiatrist at Valen...

We've got a new participant, UPRtek. They are pioneers in developing high-quality solutions for light meters, flicker frequency meters,...

16 April, 15:00 - 16:30 CEST ​ The Good Light Group, together with the Society for Light Treatment and Biological Rhythms (SLTBR), the...

Renske Lok, Ph.D. Stanford University, Department of Psychiatry and Behavioral Sciences Beyond its role in vision, light plays a...

To determine if you’re living and working in good light, its’ best to spend at least 2 hours outdoors in daylight each day. Daylight is...

This Friday March 15th, marks World Sleep Day. The theme of this year is Sleep Equity for Global Health. Good light (daylight or electric...

We have a new partner! Utilicht, with over 35 years of experience in lighting advisory and plan development for diverse projects and...

Jan Denneman says, "There's hardly a living creature that willingly stays indoors, with a few exceptions." We're all familiar with the...

Health coaches play a big role in advising people about a healthier lifestyles. Their advice often includes these two essentials: a...

Last week marked the annual council meeting which is also the 18th Good Light Group meeting! At every council meeting, we discuss our...

When we think about dangers in the office, we often worry about immediate and visible hazards, such as fires, which result in clear...

When the sun comes out on a cloudy day, it often makes people happy. This isn't just a coincidence; it's the profound impact that natural...

Bright light can make us feel immediately more alert and focused. Exposure to sufficient bright light during the day makes you feel more...

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

Bad light can harm our experience of energy, sleep, happiness and health. Relying on excessive coffee? Having irregular hunger and a...

Bad light can harm our experience of energy, sleep, happiness and health. Having mood swings? Feeling down or restless? Mood problems can...

Bad light can harm our experience of energy, sleep, happiness and health. Daytime fatigue? Low energy? Making more errors? Energy...

Let’s toast to a healthier and happier new year. From improving mood to enhancing sleep, daylight is nature's present to us all. Wishing...

In this meeting of the Good Light Group we start with a brief update on the progress of the Good Light Group. The results of our yearly...

Bad light can harm our experience of energy, sleep, happiness and health. Trouble sleeping at night? Need an alarm to wake up? Waking up...