You don't have to be tired!

How to start a short vacation fit and lively

Summer is already "glowing" - and those who can and want to are flying off on vacation. But there's no need to nibble at the time difference on the beach. But if you think you should always adapt to the time zone of the country you're visiting, you're wrong.

Of course, jet lag cannot be completely avoided, especially on long-haul flights - but there are measures you can take to alleviate the symptoms. And it doesn't always make sense to adapt to the destination. Sleep-wake researcher Gerhard Klösch from MedUni Vienna has revealed his best tips to us and also provides information on aids such as the melatonin preparations that are currently often advertised.