Shane: Let’s start with light. Light seems to impact the way we feel, how we learn and how we sleep. How does light exposure or sunlight exposure impact the way we sleep? During the day we have the opportunity to interact with light in various ways and our cells use that information, but maybe you can take us through how we can use light to get a better night of sleep. Andrew: Sure. So light is perhaps the most powerful stimulus for our mental, physical health and for our performance in every endeavor. We often miss this point because the effects of light are what we call slow and integrative. If you look at a particular color of light, it’s not that suddenly you’re going to be endowed with superpowers. If you don’t view light for half a day or for a day you’re okay. But what light does is it sets the foundation of our abilities and it does that indirectly, and directly. It does it indirectly by controlling when we are asleep and when we are alert and it also has direct effects on the way that our nervous system functions. So I’ll just get right into some practices…Become a Farnam Street Member to access the full transcript.