Lux? That probably doesn't tell you anything. Lux is the amount of light. In this blog, Maarten Voorhuis of Sparckel (based in hub Mu) explains it to you exactly.
You know that feeling when you leave your house in the morning and step into a sunny day like this? Your eyes squint for a moment and pretty soon it feels like normal. You go from darkness to light. And that's a very big transition, because a sunny day quickly contains 50,000 lux. Your eyes have to get used to that, because inside your house there is often 1,000 times less light. Huge differences, in other words.
And do you know the feeling of a very cloudy day outside? Drizzling light, feeling somewhat dark, but at the same time that light also has an effect of "waking up" for your body. Then there is about 1,000 lux outside! And that is what our biological clock needs as a minimum.
But - unfortunately - we spend most of our day indoors. And in the office, the light standard is 500 lux. We actually get half of that (250 lux) on our eyes. A small calculation shows that we actually need 4 times more light than we get now. The comparison with home is even more minimal. We want ambient light that is soft on our eyes and that means that at home we get on average 10 times less light on our eyes. With all its consequences. A lack of light does something to your biological clock including poorer sleep and an effect on your mood. If you experience this for the long term, it can trigger depression, burnout and other mental states.
So not good. We need to get at least 1,000 lux on our eyes during the day, and our personal mission is to make that happen for everyone. We need to fool our eyes by making them think we are outside - now that is great for our health!
If you want to know exactly how this sits with you, we need to measure it. You know the pedometer on your phone, you have the same idea for light. A lux meter that measures how much light you take in during the day, that way you can consciously observe that your portion of daily daylight is sufficient!
