By now, everyone knows pure water and clean air are healthy must-haves. But at home one day, you might say a light bulb went off in John Goscha’s head. That’s when he realized something vital was missing. NATURAL LIGHT. The fact is we need natural sunlight to survive and thrive. But these days, we spend as much as 90% of our days indoors – under poor quality light. We’re missing all the good stuff natural sunlight does for our bodies, minds and moods.