Why do we feel tired or awake at the wrong times when we go on holiday to a different timezone? In this Naked Science Scrapbook we find out how your body clock works, how it is disrupted by long distance travel and if there's any way around getting jetlag.

Supported by

• What is Jetlag? - Naked Scientists Science Podcasts and Science Radio Shows
• Setting the Time on your Body Clock - Interviews
• I once heard that in order to avoid jetlag when travelling you should shine a red light on the back ... - Questions
• The Body Clock And The Sleep / Wake Cycle (circadian Rhythm) - News
• Body Clocks, Circadian Rhythms and Time - Podcasts
• Body Clocks and Circadian Rhythms - Podcasts