Drivers told to ‘take a break’ when the eyes start to flutter

Road safety champions, GEM Motoring Assist issue a reminder to British motorists this week, to look out for the warning signs of tiredness. The human body has developed a very efficient system of warning of impending tiredness and loss of concentration – long before you become drowsy and control of a vehicle is impaired, GEM tell us.The first signs of the onset of getting tired or bored are that the rate at which we blink goes up. An increase in the normal blink rate of about 10 blinks (also known as nictating) per minute is a warning signal that it is time to find an appropriate place to pull over and take a rest from the stress of driving.Chief Executive of GEM (formerly known as the Guild of Experienced Motorists), David Williams, said: “This is a wonderful reflex action by humans that we should all be aware of. It is a built-in early warning system that gives us the opportunity to head for the nearest motorway service area or other refuge from the road before our driving becomes erratic and potentially dangerous.“It not only tells us that we are getting tired, but we are bored and liable to lose concentration.”Blinking is an essential body function that helps spread tears across the eye and removes irritants. It stops the eye ball drying out, kills bacteria and carries oxygen and nutrients to the corneal cells.A blink takes between 300 and 400 milliseconds and as a result humans lose about 23 minutes of visual information during a waking day. It is estimated that driver sleepiness is a factor in one fifth of road crashes resulting in around 300 deaths every year. The Highway Code recommends that drivers take at least a 15 minute break after every two hours of driving.“Making sure we are alert and as fresh as possible – especially on long journeys such as returning from holiday – is a critical element of road safety,” said David. “People should become much more aware of their blink rate and heed the warning if it starts to rise.”As a public service GEM Motoring Assist runs an informative web site at www.motoringassist.com that features notes and advice on road safety including medical matters and the impact of eyesight on driving.

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