by Kirstie McCrum
Anyone who has suffered from jet lag will know the feeling well, but what causes it? And can it be beaten?
So what exactly is jet lag?
Rise and shine: Jet lag affects our body's relation to the environment
What are the symptoms of jet lag?
Head down: Jet lag symptoms include feeling sleepy during the day in your new time zone
How does jet lag differ from travel fatigue?
Bus stop: Travelling in a car, bus, train can be uncomfortable and make you tired and irritable
What affects the severity of jet lag?
Wakey wakey: The number of time zones you cross has an impact on how you feel
How can you beat jet lag?
Sleep tight: Try to get as much shut-eye as normal to help recover from jet lag