If you have ever fallen asleep at the wheel, then you know how dangerous it is. You may not think that driving while sleepy can be just as bad as drunk driving, but the risks are real, and they are serious. In order to raise awareness about drowsy driving, this article explains the dangers of this problem in detail and advises on how to avoid it.

The Statistics of Drowsy Driving:

You’re not alone if you have had a crash after driving for hours on end without sleep. It can happen to anyone, and it is vitally important that people know the risks to know how to go when tired. If someone has been awake for over 20 hours, their reaction times will begin to slow down, and they could be involved in an accident as a result. When it comes to drowsy driving, the risks are high because research has shown that sleep deprivation can lead to lapses in judgment and other cognitive functions.

The brain requires a certain amount of time for rest as well as energy so that people don’t fall asleep at work or school. If someone does not get enough time to recharge their batteries, then they will be more prone to doze off while working, which could have severe consequences on the job site. Sleep is just as important when you’re awake, and if there isn’t enough being gotten, then fatigue can set in, leading to any number of issues down the line.

There’s also an increased risk of having a car accident with those who drive long hours without stopping since it increases reaction time and decision-making skills.

On average, adults need about seven hours of sleep per night to be well-rested. However, many don’t get that much time each day, leading to several problems, including drowsiness while driving. Nearly 50% of U.S. drivers surveyed admitted to having fallen asleep or dozing off behind the wheel at some point in their lives, and 18% had done it within the last year, according to research from The National Sleep Foundation (NSF). 

The NSF also found that one-third of Americans admit they had driven when they were so tired they knew they shouldn’t have for fear essential things like work deadlines would not get met if left undid on time.

The Sleep Cycle:

Our brain takes in information all day, and when it is time to sleep, the frontal lobe of our brains sends signals to help us fall asleep. This process starts about two hours before bedtime as a signal that it’s time for bed. As we begin to go from being awake into our REM cycle (the part where you dream), the muscles relax, and breathing slows down. It can take up to 30 minutes or more for this change to happen, with some people taking longer than others depending on their age, medication use, what they had eaten earlier in the evening, etc. The final stage of falling asleep occurs during deep sleep, which goes deeper though stages three and four until finally reaching restful stage five – also known as slow-wave sleep.

The first few minutes of sleep are usually light and refreshing but can quickly move into deep sleep if the person is not disturbed or awakened. Deep sleep is when we experience the most therapeutic effects on body systems, including mental health and physical growth in children. Suppose a child doesn’t get enough deep sleep. In that case, they will start to grow at an unhealthy rate due to a lack of proper development during this stage, including muscle strengthening for future activities and bone-building processes that happen from something called ossification. In adults who don’t get enough deep rich stages of REM (stage three), it has been shown that their immune system suffers – leaving them more susceptible to many health conditions, including cancer.

When you sleep, the body will release growth hormones essential for healthy tissue development, and healthy levels in the bloodstream have also been associated with decreased risk of heart disease, diabetes, hypertension, and obesity. Growth hormone production declines as we age, so this is one reason why older people need to be paying attention to their sleep quality too! You can use our bedtime Calculator to calculate your sleep.

The Circadian Rhythm:

The circadian rhythm is a 24-hour cycle that regulates the hormones and other factors in our body. It sends signals to different parts of our brains, responsible for things like sleep cycles or hunger pangs. In this period, we have light phases as well as darkness. We can see how important it is for us to get enough hours of rest during these periods where the body has more energy because it’s being fed by daylight exposure. Suppose you do not get enough rest when your eyes should be getting dark. In that case, you will experience drowsy driving accidents at night – whether they happen on normal roads with many people around or highways that are usually less crowded than city streets.

A Human’s Sleep Needs:

The amount of sleep you need will depend on your age. Generally speaking, the younger a person is, the more sleep they’ll require to feel rested and refreshed. Adults typically need somewhere between seven and nine hours per night for optimal health, but this can vary depending on fatigue level or family life obligations that may create stress, leading to a lack of quality nightly rest leading people towards feeling tired during their day-to-day activities.

Some people are more sensitive to the effects of sleep deprivation and may show signs of drowsiness after as little as four hours. Others, meanwhile, can function well on six or seven hours a night before their lack of quality rest starts affecting them in noticeable ways. It is generally recommended that adults strive for at least seven hours per night. Still, suppose they find it hard to get this amount without feeling groggy during waking moments. In that case, they should experiment with setting their alarm clock ahead 20 minutes each morning until they reach an optimal balance between time spent asleep and daytime tiredness levels.                                        

Threats of Drowsy Driving:

Drowsy driving is dangerous because it causes a driver to have a slower reaction time and reduced awareness. It can also cause daydreaming or falling asleep at the wheel, which are both terrifying thoughts. Drowsiness may be caused by sleep deprivation, but it could also stem from other factors like insomnia, medications (such as antidepressants), boredom on long drives, sleeping a lot during the week before Saturday night shift work, etc. Sleep disorders such as obstructive sleep apnea and restless legs syndrome can also make daytime drowsiness worse.

It is essential to know the risks of driving when you are sleepy and what makes you more likely to be drowsy. It’s also a good idea to take steps like taking regular breaks every two hours on long drives or making sure that other factors don’t disrupt your daytime sleep. Even if it feels scary at first, resting can help prevent accidents from happening in the future!                                           

FAQs Related To The Risks Of Drowsy Driving:

Why is drowsy driving not safe?

Drowsy driving is not safe because a person may fall asleep and miss important information that could be used to prevent an accident. A sleep-deprived individual can also experience slower reaction times, difficulty maintaining their lane position on the highway, and dealing with other cars. All of which heightens the risk of crashing into someone else’s vehicle or being involved in another kind of traffic collision.

What to do if you see a drowsy driver?

If you notice a drowsy driver on the road, the best thing to do is to call 911 immediately and report their location.If there are children in the vehicle, please be sure not to engage with them or distract from your primary focus of getting help as quickly as possible.

What Can You Do To Avoid Drowsy Driving?

Plan for how much sleep you need so that you can get enough each night before driving; make sure you know what events might interfere with your sleep schedule!

Have someone else drive when it’s necessary – don’t let one person be awake all day long while another sleeps at night! Don’t drink caffeinated beverages late into the evening, either.

How do you fight drowsiness?                                         

  • Stay hydrated – drink lots of water.
  • Turn up the volume on your favorite tunes! 
  • Open a window and get some fresh air- it might help with refreshing you too.
  • Eat a light snack to keep blood sugar levels stable since low blood sugar can cause drowsiness.
  • Drink caffeine only in moderation if needed for wakefulness; don’t rely on it heavily or use any stimulants that your doctor may have prescribed without first discussing with them how they will affect you while driving.


Drowsy driving is a severe threat that everyone should be aware of. You may think you can stay awake while driving, but the effects of drowsiness on your ability to keep focus and react quickly are not something most people realize until it’s too late. If you feel yourself getting sleepy at all while driving, take some time to rest before continuing or pull over for a break if possible. It will make both yourself and other motorists safer!

Also Read: How Depression Affects Sleep