One might say that the healing power of nature is real, but it depends on your point of view. This is particularly true of the health benefits of natural light. If we can see the daytime sky, even indoors through a window, we can be reasonably sure that we are getting the melanopic light we need to set and maintain our circadian rhythms, which drive our health and wellbeing. But what if we’re not looking out the window? It turns out that the impact of gaze direction on melanopic exposure is substantial. You could be turning your back on health.