Natural daylight is the source of all life on earth. Not only is it essential for the natural world around us, but it also plays a crucial role in your own physical and mental health. Light plays an important role in many processes in the human body. When people experience little natural daylight, some report feeling less focused or energetic. This is often linked to changes in the biological clock.
How light controls our brains
It is fascinating how our brains respond to light. Light signals are transmitted to the brain through our eyes, which play a role in the day and night rhythm. That is why many people experience greater alertness during the day when there is sufficient light and greater calm in the evening when there is less light.
During the dark months, many people talk about a so-called winter blues, where they feel less energetic for a long period of time. Sufficient exposure to bright light is therefore often perceived as pleasant.
Moreover, in modern society, we often spend