Body Clock: What Makes Us Tick? Horizon : Season 55 Episode 9
BBC Two 50m
Aired: October 11th, 2018 @ 9:00 PM EST on BBC Two
An exposition on the workings of the human body clock. A former commando spends 10 days in varying light conditions within an abandoned bunker alone whilst a team monitor the effect of falling out of time sync with the rest of the world on his physical and mental state. Scientific explanations and useful sleeping pattern tips are given throughout the documentary.
