Drivers can get a free coffee at Applegreen petrol stations today, as part of a campaign to wake up tired drivers.
The Road Safety Authority says tiredness is a factor in up to one in five deaths - but is often undetected and is known as the "silent killer".
They're urging any drivers to stop and rest if they feel tired - on either a long or short journey.
Donna Price's son Darren was just 18 when he was killed in a collision with a lorry in March 2006. Speaking on behalf of the Irish Road Victim Association, she's appealing to anyone feeling sleepy at the wheel to take a break:
