You know that feeling of a heavy head, burning eyes and yawning that won't stop? Now imagine feeling that while holding the steering wheel. There's no coffee that can solve it when the problem is accumulated sleep. And the worst part: Driving while drowsy can be as dangerous as driving under the influence of alcohol.
A bad night's sleep doesn't just affect your mood or disposition. It reduces reflexes, impairs concentration and increases the chances of error. For drivers, sleeping well is a matter of road safety.
The question remains: how can you avoid falling asleep at the wheel? What can fleet management do to prioritize driver health? That’s what we’re going to talk about.
What impact does sleep quality have on a driver's routine?
What are the benefits of a good night's sleep for the driver?
What are the risks of falling asleep at the wheel?
What is the relationship between sleep and road safety?
Tips for not falling asleep at the wheel
What impact does sleep quality have on a driver's routine?
Imagine a driver under pressure. He knows he has tight deadlines, goals and responsibilities to meet and decides to cut back on sleep to gain a few hours on the road.
At first, it seems like a good strategy. However, after a few days of poor sleep, the signs appear: difficulty concentrating, slower response time and even those quick blackouts, which last a few seconds. In traffic, this can be fatal.
The quality of sleep directly affects the driver's performance. Inadequate rest affects cognition, motor coordination and mood, compromising the defensive driving.
We also pack any lack of sleep increases the risk of errors in decision making, which can be a big problem in situations that require quick reactions, such as sudden braking or unexpected changes.
The importance of 8 hours of sleep to avoid falling asleep at the wheel
It is recommended to sleep between 7 and 9 hours per night to ensure the proper functioning of the body. During sleep, the body performs essential functions, such as memory consolidation, muscle regeneration and regulation of stress hormones.
For drivers, sleeping well means more willingness to face long journeys, less irritability in traffic and lower risk of driving failures. And the data of the ABRAMET prove the danger of driving while drowsy: 42% of traffic accidents in Brazil are related to drowsiness, in front of only the traffic fatigue.
Read more: Technology to prevent driver fatigue
When we take into account a study by Fiocruz that reveals that 72% of Brazilians suffer from sleep-related illnesses, including insomnia, this issue becomes even more important in fleet management.
What are the benefits of a good night's sleep for the driver?
Getting a good night's sleep makes a difference for anyone, so imagine what it can be for those who spend hours driving. The impact is even greater and goes far beyond waking up feeling rested:
- Faster concentration and reflexes
When the body is well rested, the brain works better. This means more attention to traffic, fewer distractions and faster reflexes to deal with unexpected events, such as a pedestrian crossing suddenly or a car braking suddenly.
Read more: Distracted driving in the fleet: causes, consequences and prevention measures
- Better decisions in traffic
People who sleep well have more mental clarity to assess situations and make quick decisions – something essential for drivers. Sleep regulates cognitive functions such as logical reasoning, memory and emotional control, thus, the driver reacts in the best way in critical moments.
- Disease risk reduction
Sleep deprivation is directly linked to increased risk of heart disease, high blood pressure and diabetes. This happens because sleepless nights disrupt essential hormones, such as cortisol (linked to stress) and insulin (responsible for controlling blood sugar).
- Strengthening the immune system
Good sleep also protects the driver's health, reducing the chances of flu, colds and infections. During the night, the body releases proteins called cytokines, which help fight inflammation and strengthen the immune system.
- Greater emotional well-being and less stress
Long journeys on the road, tight deadlines and heavy traffic are already factors that harm the driver's mental health. When we add this to sleepless nights, the result can be irritability, traffic anxiety and even symptoms of depression.
Read more: Traffic psychology: check out how to have more safety and quality of work in your fleet
What are the risks of falling asleep at the wheel?
The biggest danger of lack of sleep is extreme tiredness, which can lead to so-called “microsleeps” – those blackouts lasting just a few seconds in which the person loses consciousness without realizing it.
We also pack any sleeping only 4 or 5 hours a night causes an effect similar to that of alcohol on our body. And the shorter the rest time, the greater the danger.
This means that a sleep-deprived driver has the same chance of causing a accident with the company vehicle than someone driving drunk.
Read more: Fleet Incident Management: 6 Best Practices to Prevent and Resolve Problems
What is the relationship between sleep and road safety?
When talking about traffic Safety, many factors come to mind: respect for the law, vehicle maintenance, attention to signs. But there is one essential element that often goes unnoticed: the quality of the driver's sleep.
It’s not just about avoiding falling asleep at the wheel – the impact of sleep deprivation goes far beyond that. From productivity at work to meeting deadlines and reducing the risk of accidents, getting a good night’s sleep makes all the difference to drivers’ daily routines.
Read more: Reduce risky traffic behavior in your fleet management with the help of technology
Rested or sleep-deprived drivers: who has the advantage?
A well-rested driver starts the day with energy, quick reflexes and a greater ability to make quick, intelligent decisions. He can better plan his route, deal with unforeseen events and maintain a high level of concentration throughout the journey.
A driver who has had little sleep faces the opposite scenario: tiredness from an early age, difficulty maintaining attention and greater propensity for errors – some of them can be fatal.
Furthermore, sleep deprivation has a cumulative effect, that is, a one-day rest deficit can extend over several more days, worsening performance over time.
Fatigue: an invisible factor behind fines and accidents
Many traffic violations occur not because of intentional recklessness, but because reduction in the cognitive capacity of drivers. When tired, drivers may:
- Exceeding speed limits without realizing it, trying to make up for lost time due to lack of concentration.
- Disregarding traffic signs due to lapses of attention.
- Braking suddenly because they are unable to correctly calculate the safety distance.
- Losing track of reaction time, increasing the risk of rear-end collisions.
It's no wonder that falling asleep at the wheel is the third biggest cause of traffic accidents in Brazil. This means that ensuring a good night's rest is not just a matter of well-being, but also of avoiding tragedies.
Read more: Fines management: a strategic plan for security-oriented managers
The importance of following rest regulations
Traffic laws set out clear rules on maximum driving times and rest breaks. In Brazil, Driver's Law (Law No. 13.103/2015) determines that the maximum continuous driving time should be 5h30.
After this period, the driver must rest for 30 minutes every 6 hours of work. The mandatory daily rest period is 11 hours between shifts, 8 of which are uninterrupted.
Although these rules are essential to avoid extreme fatigue, they are not always followed to the letter. Therefore, Compliance with legislation must be a priority for fleet managers, because, in addition to reducing the risk of accidents, it improves the quality of life of drivers and avoids penalties for the company.
Read more: The role of the fleet manager in talent retention
Tips for not falling asleep at the wheel
After an intense day on the road, having a good night's sleep is essential for recharge your batteries and ensure a more productive and safer next day.
However, drivers' routines can make it difficult to rest, whether due to irregular hours, pressure to meet deadlines or even the need to sleep in different places.
The good news is that small changes in habits can make a big difference. Here are some simple and effective tips on what to do to avoid falling asleep at the wheel:
1. Create a regular sleep routine
Keeping a fixed bedtime and wake-up time whenever possible helps your body get into a natural rhythm of rest. If your routine requires frequent changes, it's best to at least try to maintain the same number of hours of sleep per day.
For drivers who work alternating shifts, the ideal is schedule rest times in advance and avoid compensating for irregular sleep, as this can harm the quality of rest.
2. Avoid caffeine and heavy meals before bed
Coffee, energy drinks and soft drinks are great allies to keep you alert during the day, but Consumption close to bedtime may make it difficult to relax. Therefore, it is a good idea to avoid caffeinated drinks at least four hours before bedtime.
Additionally, heavy, high-fat meals before bed can cause discomfort and disrupt sleep.
Read more: Reduce risky traffic behavior in your fleet management with the help of technology
3. Create an environment suitable for rest
A comfortable environment makes all the difference in the quality of your sleep. Small adjustments can greatly improve your rest, especially for drivers who need to sleep in temporary places.
Some simple solutions are to use blackout curtains or a shade to block out light and use earplugs or white noise to reduce external sounds.
Read more: How to design and implement a fleet safety program
4. Relaxation techniques before bed
Slowing down your body and mind before bed can make all the difference in the quality of your sleep. Some practices that help you relax include deep breathing, light stretching to release tension accumulated throughout the day, and listening to relaxing music or a calming podcast.
5. Strategic breaks for long-distance drivers
For drivers facing long journeys, taking short naps can be essential to maintain alertness and reduce risks on the road. Ideally, these naps should last between 20 and 30 minutes. enough time to rest without going into a deep sleep that causes a feeling of drowsiness upon waking.
If a longer period of rest is necessary, the recommendation is to sleep for at least a complete 90-minute cycle, which corresponds to a complete sleep phase, avoiding the feeling of tiredness upon waking.
Sharing these tips to avoid falling asleep at the wheel with your team is already a good start, but to go further, we'll leave you with a Complete and free eBook on how to structure and implement a road safety culture campaign in your fleet management.
