2min chapter

Feel Better, Live More with Dr Rangan Chatterjee cover image

#141 BITESIZE | The Power of Light To Transform Your Health | Linda Geddes

Feel Better, Live More with Dr Rangan Chatterjee

CHAPTER

Introduction

Our biology is set up to work with this twenty four hour cycle of light and darkness. If you mess with that, things start to happen to our cicadian rhythms. So if youare exposed to light at night, one thing that does is it pushes your cicadian rhythms later. But it's more than that, because seeing bright light is also a kind of brain stimulant. It boosts your alertness a so if you see light late at night, you're going to feel more awake. And therere increasingly study showing that bright light actually literally wakes us up. We now spend ninety per cent of our daytimes indoors, where the light levels are like an order of magnitude...

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