This blog is about optimising sleep through the mechanism of morning sunlight exposure. If you’re a Huberman fan, as I am, there’s an additional nugget in here for you as we explore the Light Meter app and how to read lux.

It's crucial to go outdoors to get morning sunlight in your eyes because natural light is significantly brighter than indoor light, even on a cloudy day. Use the Light Meter app to understand just how much light you need!