Since the appearance of the first human some 4 million years ago to about 12 thousand years ago, humans were strictly hunter-gatherers. That meant that humans spent most of their awakened hours outdoors in natural light and a limited time in their caves. Even when humans became farmers some 12-10 thousand years ago, they still spent most of their time outdoors. Only in the last 150 odd years (a bleep in historical sense), since the invention of the light bulb, have humans started spending more time in their ‘caves’ than outdoors. Absent our exposure to the outdoors, the next best thing is to simulate it with tunable fixtures that mimic the intensity and color temperature of natural daylight, from dusk to dawn — so-called circadian or human-centric lighting (HCL).
Human-Centric Lighting: Show Us the Circadian Algorithms! For all the talk about circadian lighting, you’d think we’d have some … circadian lighting by now – you know, the kind that automatically synchs with the time of day in a given geography without human intervention. Sure, it might be all the rage in commercial environments, but residential is a whole different animal.
Commercial environments are pretty much one-note: Everyone in the space kind of does the same thing every day with little variability.
“It’s easy to do on a regular schedule for a full day,” says Angie Larson, VP of sales operations for Savant, the lighting, home automation and A/V manufacturer. “But it’s harder to do in the home, because someone is always interrupting the flow.”
You wouldn’t want all loads in all rooms to follow natural daylight patterns all the time. In the kitchen, you might want it brighter for cooking at certain times. Lighting schedules will be different in the parents’ rooms compared to the kids’. The home office? That’s another big question mark.
“That’s what’s going to hit the residential space,” Larson says. “How do you really deal with a true lifestyle?”
So, how can you go about finding Circadian Solutions? It’s tough to nail “circadian” lighting because of the multiple elements involved. Some solutions claiming to simulate natural daylight only tackle the spectral output or color temperature, not the intensity (brightness) of light.
Thankfully based on your input, the right integration and technology specialists can tailor fit the proper circadian lighting system to address the different requirements of a living and breathing home.
Alon Biran, founder of the Autom8Group says that we now have the capacity to program a Human Centric Lighting System to produce automated lighting that “precisely mimics the color temperature and intensity of natural light, dynamically and imperceptibly shifting throughout the day,” and he continues; “Bright light energizes you in the morning, and warm light calms you in the evening.”
Adding Automated Shades to the mix can further enhance the experience of natural light indoor and the feeling of well-being by synching the man-made (natural…) light and the sunlight.
Why should we even care about having natural sunlight indoors? There’s a large body of research that shows a direct correlation between one’s feeling of well-being and exposure to natural light. People tend to feel better, be more active, sleep better, and are less likely to feel depressed when exposed to natural light in abundance. No wonder everybody wants the corner window.