BBC Documentaries - 2014x08 - Secrets of the Body Clock with Terry Wogan- Followmy.tv

Sir Terry Wogan discovers why timing is everything as he explores the human body clock, a ticking timepiece that lives in our brain and controls the daily rhythms of our body with the outside world. Many people are completely unaware of it, and have no idea there is an optimum time for everything - from driving safely to exercising, and even visiting the dentist.