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 [...]