The daily cycles of natural light profoundly impact the health, wellness and academic performance of children. Exposure to bright blue light during the day to boosts mood, alertness, concentration and energy levels. Studies show that exposure to natural light improves student test scores, attendance and behavior. Unfortunately artificial [...]
Natural light underpins the health and wellness of infants and their caregivers. As any new parent knows, babies are born without a well-developed sense of night and day, and their internal body-clocks need external cues to help establish their sleep wake/cycle. Infants depend upon exposure to the daily [...]
Our health and wellness depends upon the daily cycles of natural light, but we don't have to live in darkness after sunset - we just have to be smart about how we use artificial light. To put it simply: after dark we should avoid bright blue light which [...]
In high school biology we (supposedly) learned that rods and cones are the basis of our visual system. Quick refresher = cones are photoreceptors which see color and we have three types (red, green and blue), while rods are photoreceptors which respond to intensity and help us see [...]
Natural light changes with the time of day, time of year and place on earth. These changes effect both our visual perception (how we see the world) and our biology (how we feel). Artists have been exploring the interaction of light and visual perception since at least the [...]
Darkness during the night is as important to our health and wellness as the need for exposure to bright light during the day. Artificial light is an engine of civilization and human progress, but the widespread use of electric light has a significant consequences. Exposure to artificial light [...]
A robust daily light-dark cycle improves our quality of life, and our health and wellness. Unfortunately most of us spend ~90% of our waking hours indoors, and therefore do not receive the light queues we need to feel awake and alert during the day, and sleep well at [...]
Natural light is full spectrum and dynamic. Full spectrum means that light contains all the colors of the rainbow. Dynamic means that the intensity and mix of colors changes with the time of day. Natural light cycles from bright with a high blue content during the day, to [...]
Natural light is both full spectrum (contains all the colors of the rainbow) and dynamic (changes with the time of day as well as time of year and place on earth). The earth's atmosphere filters the light from the Sun, which is why the light we see [...]
Our bodies depend upon daily cycles of light and dark to regulate our energy, mood, sleep, metabolism, immune system, hormones and a host of biological processes. To put it simply: light is our master clock (Zeitgeber) and exposure to natural light is a cornerstone of our health and [...]
