TV Horizon - Season 46 Episode 5 : The Secret Life of Your Bodyclock Horizon - Season 46 Episode 5 : The Secret Life of Your Bodyclock 7.516/10 by 32 users 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. Details Casts Posters Images Title Horizon - Season 46 Episode 5 : The Secret Life of Your Bodyclock Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords , Episodes List Horizon Season 46 :Episode 1 Why Are Thin People Not Fat? Why Are Thin People Not Fat? 2009-01-26 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 2 Cannabis: The Evil Weed? Cannabis: The Evil Weed? 2009-02-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 3 Why Do We Dream? Why Do We Dream? 2009-02-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 4 Can We Make a Star on Earth? Can We Make a Star on Earth? 2009-02-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 5 The Secret Life of Your Bodyclock The Secret Life of Your Bodyclock 2009-02-24 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 6 What's the Problem with Nudity? What's the Problem with Nudity? 2009-03-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 7 How to Survive a Disaster How to Survive a Disaster 2009-03-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 8 Who Do You Want Your Child to Be? Who Do You Want Your Child to Be? 2009-03-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 9 Why Can't We Predict Earthquakes? Why Can't We Predict Earthquakes? 2009-03-24 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 10 Alan and Marcus Go Forth and Multiply Alan and Marcus Go Forth and Multiply 2009-03-31 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 11 How Violent Are You? How Violent Are You? 2009-05-12 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 12 Do I Drink Too Much? Do I Drink Too Much? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 13 The Secret You The Secret You 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 14 Fix Me Fix Me 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 15 Who's Afraid of a Big Black Hole? Who's Afraid of a Big Black Hole? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 16 Why Do We Talk? Why Do We Talk? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 17 How Long is a Piece of String? How Long is a Piece of String? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 18 How Many People Can Live on Planet Earth? How Many People Can Live on Planet Earth? 2009-12-09 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.