drowsy-driver
Driving

The Dangers of Drowsy Driving

Drowsy driving is a major problem in the United States. The risk, danger, and sometimes tragic results of drowsy driving are alarming. Drowsy driving is the dangerous combination of driving and sleepiness or fatigue. This usually happens when a driver has not slept enough, but it can also happen due to untreated sleep disorders, medications, drinking alcohol, and shift work.

 What is Drowsy Driving?

Operating a motor vehicle while fatigued or sleepy is commonly referred to as “drowsy driving.”

The Impact of Drowsy Driving

Drowsy driving poses a serious risk not only for one’s own health and safety, but also for the other people on the road.

The National Highway Traffic Safety Administration estimates that between 2005 and 2009 drowsy driving was responsible for an annual average of:

83,000 crashes

37,000 injury crashes

886 fatal crashes (846 fatalities in 2014)

These estimates are conservative, though, and up to 6,000 fatal crashes each year may be caused by drowsy drivers.

How Often Do Americans Fall Asleep While Driving?

Approximately 1 out of 25 adults aged 18 years and older surveyed reported that they had fallen asleep while driving in the past 30 days.

Individuals who snored or slept 6 hours or less per day were more likely to fall asleep while driving.

How Does Sleepiness Affect Driving?

Falling asleep at the wheel is very dangerous, but being sleepy affects your ability to drive safely even if you don’t fall asleep. Drowsiness—

Makes drivers less attentive.

Slows reaction time.

Affects a driver’s ability to make decisions.

The Warning Signs of Drowsy Driving

If you experience any of the warning signs of drowsy driving while driving, pull over to a safe place and take a 15-20 minute nap or change drivers. Simply turning up the radio or opening the window are not effective ways to keep you alert.

Warning signs include:

Yawning or blinking frequently.

Difficulty remembering the past few miles driven.

Missing your exit.

Drifting from your lane.

Hitting a rumble strip.

For more warning signs visit the American Academy of Sleep Medicine.

Who Is More Likely to Drive Drowsy?

Drivers who do not get enough sleep.

Commercial drivers who operate vehicles such as tow trucks, tractor trailers, and buses.

Shift workers (who work the night shift or long shifts).

Drivers with untreated sleep disorders such as one where breathing repeatedly stops and starts (sleep apnea).

Drivers who use medications that make them sleepy.

How to Prevent Drowsy Driving

There are four things you should do to prevent driving while drowsy before taking the wheel.

Get enough sleep! Most adults need at least 7 hours of sleep a day, while adolescents need at least 8 hours.

Develop good sleeping habits such as sticking to a sleep schedule.

If you have a sleep disorder or have symptoms of a sleep disorder such as snoring or feeling sleepy during the day, talk to your physician about treatment options.

Avoid drinking alcohol or taking medications that make you sleepy. Be sure to check the label on any medications or talk to your pharmacist.

For healthy sleep tips and more information about sleep disorders visit the American Academy of Sleep Medicine’s sleep education site.

Drowsy Driving Is Similar to Drunk Driving

Your body needs adequate sleep on a daily basis. The more hours of sleep you miss, the harder it is for you to think and perform as well as you would like. Lack of sleep can make you less alert and affect your coordination, judgement, and reaction time while driving. This is known as cognitive impairment.

Studies have shown that going too long without sleep can impair your ability to drive the same way as drinking too much alcohol.

Being awake for at least 18 hours is the same as someone having a blood content (BAC) of 0.05%.10-12

Being awake for at least 24 hours is equal to having a blood alcohol content of 0.10%. This is higher than the legal limit (0.08% BAC) in all states.12-13

Additionally, drowsiness increases the effect of even low amounts of alcohol

More resources:

Sleep Education: http://sleepeducation.org/sleep-topics/drowsy-driving

National Sleep Foundation: http://drowsydriving.org/

For shift workers:

http://www.cdc.gov/niosh/topics/workschedules/

http://www.nhtsa.gov/people/injury/drowsy_driving1/human/drows_driving/index.html

About sleep disorders:

http://sleepeducation.com/sleep-disorders-by-category

http://sleepeducation.com/essentials-in-sleep

Reprinted courtesy of the federal Centers for Disease Control and Prevention (www.cdc.gov).

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