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Sleepy when you want to work?

We, humans, evolved for tens of thousands of years living outside under the rhythms of natural light. Our body rhythms, including alertness, mood and sleepiness respond to the day-night rhythm of our planet. This is all regulated by our biological clock.

If we are indoors a lot, we lack daylight and our internal clock starts lagging behind. This is why you feel sleepy at the wrong time or feel energetic when you should be sleeping.



Your internal clock affects your mood, alertness and sleepiness. For your internal clock to run at the right time, it must stay synchronised with the Earth's 24-hour day, also known as the day-night rhythm. So make sure your body functions get the right signals and get at least two hours of daylight every day.


If you want to bring good light in your life, watch also the other steps to a healthier and happier life here: Try | Home | Good Light Group | Foundation


Light supports us in everything we do. Good light has a great positive impact on our experience of energy, sleep, happiness and health.

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