Backaches and trouble sleeping became increasingly severe, however, leading her to 
fall asleep at the wheel.
Endlessly-long, straight highways and fasting during Ramadan are two reasons why motorists in the UAE 
fall asleep at the wheel and crash, authors of a new report have said.
OBESE drivers are more likely to 
fall asleep at the wheel because of a breathing condition, warns an expert.
MORE than 300,000 drivers may have a sleep disorder that could make them 
fall asleep at the wheel, say researchers.
If you 
fall asleep at the wheel you are twice as likely to die or suffer serious injury because a sleeping driver does not react before a crash.
More than 70% of drivers said they tried to take breaks on long road journeys, and made sure they had a good night's sleep before starting out.: Danger signals:The survey suggests 2.3 million drivers may 
fall asleep at the wheel every year; Between 1am and 4am is when drivers are most likely to 
fall asleep at the wheel.
Hours of sleep and working conditions significantly impact the probability that a driver will 
fall asleep at the wheel.
'Ropinirole is associated with the sudden onset of sleepiness and the drug caused her to 
fall asleep at the wheel.'
The Association of British Drivers claims motorists are forced to drive so slowly that they 
fall asleep at the wheel. The claim follows independent analysis of road accident statistics showing that 17 per cent of deaths and serious injuries are caused by drivers nodding off at the wheel, in comparison to four per cent for speeding.
The father-of-four has submitted documents which argue he did not 
fall asleep at the wheel but crashed the car after a rear tyre burst.
"I hope some further investigations are carried out into drivers who 
fall asleep at the wheel.
But he added: 'I definitely did not 
fall asleep at the wheel. I told the doctors and the police that as soon as I was able to talk to them.'
DRIVERS who 
fall asleep at the wheel cause at least 1,500 accidents a year in Scotland.
If you 
fall asleep at the wheel you are 50 per cent more likely to die or suffer serious injury because a sleeping driver does not react before a crash.