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Dehydrated drivers become drowsy

Dehydrated drivers become drowsy

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Motorists driving during the current hot spell can become tired and drowsy if they do not drink sufficient amounts of water during the day, leading to concerns for their ability to stay awake during daytime journeys.

Few people realise the impact that excessive heat can have on a person’s body. Some of the main effects of heat induced-fatigue on a driver includes impaired performance, loss of concentration, alertness and attentiveness, poor reaction performances and the increased likelihood of a driver falling asleep.

South Dublin County Council’s Road Safety Officer Declan Keogh said drivers should be aware of these effects and prevent them from occurring by knowing what to do. He said “Driver fatigue is a factor in 1 in 5 driver deaths per annum, and driver fatigue is common during current hot spells and heatwaves. By drinking plenty of water during the day, a driver can avoid becoming tired or drowsy behind the wheel. Where possible, try and avoid driving during the hottest periods of the day, 12pm -2pm and even though you may be using air conditioning, it’s a good idea to open a window every so often for about a minute to allow fresh air circulate into the vehicle. Drivers should take regular breaks while driving on long journeys.”


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