Jet lag, also referred to as time zone change syndrome, is a physiological condition that occurs when people travel through multiple time zones or when their sleep-wake patterns are disturbed, for instance, because of shift work. The condition can cause temporary issues such as headaches, insomnia, and irritability. Most travellers want to make the most of their limited time overseas, and beating jet lag is the first step in ensuring that this happens. Unfortunately, it can take a person a … [Read more...]