You must have probably heard of jet lag, a physiological condition that occurs after long-haul flights, usually when traveling east. Jet lag is caused by the de-synchronization of our body clock (or our circadian rhythm, to use the medical term). Symptoms may include sleep disturbance, reduced concentration, irritability, headaches, problems with digestion, and fatigue. Perhaps the term ‘travel fatigue’ is not as familiar; yet, you may be more likely to experience this less specific concept. Travel fatigue can, of course, occur after long-haul flights; however, it can also follow a short-haul one, or a long train or car journey. It can essentially occur during or after any journey or holiday,…