XviD | English | 656x368 25.00 fps | MPEG Audio Layer 3 48000Hz stereo 137 Kbps No Subtitles | 49 minutes | 450 MB | 3 Parts | RS.com Release: 24 Feb 2009, Horizon (UK) Genre: Documentary | Special Subject
Synopsis Why are you more likely to have a heart attack at eight o'clock in the morning or crash your car on the motorway at two o'clock in the afternoon? Can taking your medication at the right time of day really save your life? And have you ever wondered why teenagers will not get out of bed in the morning?
The answers to these questions lie in the secret world of the biological clock.