Why is morning light so crucial to your health? The idea is nothing new – ancient medical texts dating back thousands of years such as India’s Charaka Samhita specify that you should wake up at least ...

Add Yahoo as a preferred source to see more of our stories on Google. We all know that sleep is important for our mental and physical health. But does it matter when you wake up Is waking up earlier ...

Forbes contributors publish independent expert analyses and insights. Caroline Castrillon covers career, entrepreneurship and women at work. From Apple CEO Tim Cook to Vogue editor-in-chief Anna ...

This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in the series. Exposure ...