PREPARING FOR LONGER JOURNEYS JOURNEYING MERCIES

It may seem obvious, but one of the most important things in making long journeys both easier and safer is to ensure that neither you nor your car runs dry.

Recent research has shown that three out of four people on long road trips in Britain are likely to be de-hydrated - a major factor in creating emotional changes which could lead to alterations in behaviour, like irritability, bad temper and road rage.

During the fraught car journeys faced by many families, especially on holiday trips, it is particularly important for drivers to maintain fluid intakes if they are to face the congestion and arrive at their destination safe and sane. Even an hour's drive across a city can result in the loss of as much as half a litre of water which needs to be replaced if drivers are to remain calm and comfortable. Muscle cramp can be another symptom of de-hydration.

While caffeine-laden drinks are indispensable in giving drivers temporary relief from fatigue while travelling, the best option during a normal daytime family trip is plenty of stops to give everyone a break and a stretch as well as lots of water for passengers and driver. Soft drinks and tea and coffee can also contain ingredients that act as a diuretic: while they may initially quench the thirst, ultimately, they can leave you more de-hydrated as they encourage the body to excrete water, meaning more toilet stops as well. De-hydration can also be responsible for lethargy, lack of concentration and alertness as well as headache - none of which makes for safe and happy drivers.

Longer journeys are often marked by di...