Bring back the night - your health and wellbeing depend on it

"Our lives are ruled by time and we use time to tell us what to do. But the digital alarm clock that wakes us in the morning or the wristwatch that tells us we are late for supper are unnatural clocks. Our biology dances to a more ancient beat that probably started to tick early in the evolution of life.

Embedded within our genes, and almost all life on Earth, are the instructions for a biological clock that marks the passage of approximately 24 hours. This "day within" regulates everything we do. It can even influence our ability to learn and do well in exams."
By Professor Russell Foster | Science | guardian.co.uk /continue reading