Getting good sleep is a major contributor to longevity, happiness and productivity. Yet it's not so easy to fall asleep when your thoughts are racing or you're experiencing anxiety about the next day.

"I always tell my students it's like doing bicep curls for your brain," says expert Meg James.

It’s normal to feel worried about certain things in your everyday life such as a job interview or an exam, but when that worry takes over, it’s time to take action. It’s easier said than done, I know, ...