Missing 1-2 Hours of Sleep Doubles Crash Risk


Staff Reports



Could you benefit from better sleep hygiene? The CDC thinks so.

Sleep is increasingly recognized as important to public health, with sleep insufficiency linked to motor vehicle crashes, industrial disasters, and heart disease.

Persons experiencing sleep insufficiency are also more likely to suffer from chronic diseases such as hypertension, diabetes, depression, and obesity, as well as from cancer, increased mortality, and reduced quality of life and productivity.

An estimated 50-70 million US adults have sleep or wakefulness disorder, and many don’t even know it.

Because of this, the CDC has begun a campaign for the promotion of good sleep habits and regular sleep known as sleep hygiene.

AAA Foundation study reveals the dangers of getting less than seven hours of sleep

COLUMBUS – Drivers who miss between one to two hours of the recommended seven hours of sleep in a 24-hour period nearly double their risk for a crash, according to new research from the AAA Foundation for Traffic Safety.

The Centers for Disease Control and Prevention says that 35 percent of U.S. drivers sleep less than the recommended seven hours daily. And with drowsy driving involved in more than one in five fatal crashes on U.S. roadways each year, AAA warns drivers that getting less than seven hours of sleep may have deadly consequences.

The Study:

The AAA Foundation for Traffic Safety’s report, Acute Sleep Deprivation and Risk of Motor Vehicle Crash Involvement reveals that, in a 24-hour period, drivers who received less than seven hours of sleep have a significantly higher crash risk, and that risk increases as hours of sleep decrease.

Compared to drivers who had slept for at least seven hours in the past 24 hours, drivers who reported they slept:

  • Six to seven hours had 1.3 times the crash risk
  • Five to six hours had 1.9 times the crash risk
  • Four to five hours had 4.3 times the crash risk
  • Less than four hours had 11.5 times the crash risk

Sleep Deprived Driving as Deadly as Drunk Driving:

Drivers missing two to three hours of sleep in a 24-hour period more than quadrupled their risk of a crash compared to drivers getting the recommended seven hours of sleep. This is the same crash risk the National Highway Traffic Safety Administration associates with driving over the legal limit for alcohol.

“You cannot miss sleep and still expect to be able to safely function behind the wheel,” said Dr. David Yang, executive director for the AAA Foundation for Traffic Safety. “Our new research shows that a driver who has slept for less than five hours has a crash risk comparable to someone driving drunk.”

Public Perception:

While 97 percent of drivers told the AAA Foundation they view drowsy driving as a completely unacceptable behavior that is a serious threat to their safety, nearly one in three admit that at least once in the past month they drove when they were so tired they had a hard time keeping their eyes open.

“Managing a healthy work-life balance can be difficult and far too often we sacrifice our sleep as a result,” said Jake Nelson, director of Traffic Safety Advocacy and Research for AAA. “Failing to maintain a healthy sleep schedule could mean putting yourself or others on the road at risk.”

Tips to Prevent Drowsy Driving:

Symptoms of drowsy driving can include having trouble keeping eyes open, drifting from lanes or not remembering the last few miles driven. However, more than half of drivers involved in fatigue-related crashes experienced no symptoms before falling asleep behind the wheel.

AAA urges drivers to not rely on their bodies to provide warning signs of fatigue and should instead prioritize getting plenty of sleep (at least seven hours) in their daily schedules. For longer trips, drivers should also:

  • Travel at times when normally awake
  • Schedule a break every two hours or every 100 miles
  • Avoid heavy foods
  • Travel with an alert passenger and take turns driving
  • Avoid medications that cause drowsiness or other impairment

Background:

The AAA Foundation report is based on the analysis of a representative sample of 7,234 drivers involved in 4,571 crashes. All data is from the NHTSA’s National Motor Vehicle Crash Causation Survey which comprised a representative sample of police-reported crashes that involved at least one vehicle that was towed from the scene and resulted in emergency medical services being dispatched to the scene.

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Staff Reports

Could you benefit from better sleep hygiene? The CDC thinks so.

Sleep is increasingly recognized as important to public health, with sleep insufficiency linked to motor vehicle crashes, industrial disasters, and heart disease.

Persons experiencing sleep insufficiency are also more likely to suffer from chronic diseases such as hypertension, diabetes, depression, and obesity, as well as from cancer, increased mortality, and reduced quality of life and productivity.

An estimated 50-70 million US adults have sleep or wakefulness disorder, and many don’t even know it.

Because of this, the CDC has begun a campaign for the promotion of good sleep habits and regular sleep known as sleep hygiene.