Driver fatigue is estimated to contribute to approximately 20% of road collisions, with research suggesting that it can be as dangerous as drink driving.

It makes make drivers less alert to what is happening on the road and less able to react quickly and safely if a dangerous situation arises, according to Virtual Risk Manager.

The two main causes of fatigue are lack of quality sleep and driving at times when you would normally be asleep.

You also put yourself at risk of a fatigue-related collision if you:

• Drive in the early morning (1am-6am)
• Travel in the afternoon (1-4pm)
• Start a big trip after a long day’s work
• Have a sleep disorder such as sleep apnoea