Millions of motorists admit they've driven when 'dangerously tired' - and have even nodded off.
A poll of 2,000 motorists found a whopping 86 per cent have been in control of a vehicle while tired at some point.
Nearly one in 10 (eight per cent) have had a near-crash due to getting behind the wheel when exhausted.
And 41 per cent admit they’ve powered on to their destination despite feeling heavy-eyed.
The research was commissioned by insurance firm Allianz [https://www.allianz.co.uk/], which also conducted a scientific study which found motorists are twice as likely to drive unsafely when tired.