Wake up and get some sleep
New York, New York
Anyone who has to drive tired – whether it's on the job or driving home late – is at risk. So what can we do to detect and combat drowsy driving? To find out we had to go to the experts. And who better than the taxi drivers of New York – the city that never sleeps.
New York. Like a shark you need to keep moving to survive. The city is dirty. Loud. And alive with the endless possibilities that inspire songs and movies. With so much to do, it’s no wonder people don’t sleep. But a lack of sleep has been linked to everything from unhealthy lifestyles to erratic behaviour and dangerous driving. Getting enough ZZZs is the key to staying focused and productive. Never more so if your job is to drive a taxi all day or all night.
I zigzagged across the city talking to drivers about how they manoeuvre their vehicles as safely as possible. Some of them work 14 hours a day, and while they try to keep the hours in check, financial pressure and app-based taxi services make it hard. The current law restricts them to 12-hour shifts, but their hours reset to zero the moment they take a break of any length. “We don’t choose to work long hours, we do it because of the economic situation,” my first driver of the day tells me. “You don’t make money by standing still, it’s all about the mileage”, he continues.
Yet standing still, or stuck, is mostly what we do. In a car. In traffic. Between vehicles, commuters, tourists and skyscrapers towering above us. Perhaps the question is not when but where do they take their breaks in a city where space is the real currency? Heading down Lexington Avenue, my driver points out some of the relief stands the city has to offer. But with 14,000 yellow cabs in Manhattan alone, they are hard to come by, which is why some drive to the airports in order to get a good rest.
Before travelling to NYC I talked rest and driving safety with Mikael Ljung Aust, Driver behaviour specialist at Volvo Cars. He says that after spending a long time behind the wheel, it’s difficult to know how much recovery you’ll need before it’s safe to continue driving. “A coffee and a 15-minute power nap is a good starting point. But it all depends on how much driving you have left.” Volvo Cars’ drowsiness research focuses on two perspectives: how to make people act earlier on signs of sleepiness and how to detect if a driver is no longer in control of the car and needs help to avoid a potential collision. “It’s hard to predict exactly when a person will fall asleep, even in a lab with strict monitoring,” says Mikael. That’s why Volvo Cars focuses equally on developing preventive safety as well as protective systems.
Stop for a cup of joe
So, how do New York’s cab drivers know when it’s time to take a break? My driver from last night explained that whenever he feels his eyes start to twitch, he pulls over and takes a nap – no matter where he is. He relies on himself to recognise the signs of fatigue. But, as Mikael says, “It’s not always easy to know when you are just a little tired or if you are too tired to drive. Not only that, you don’t make your best decisions when you’re tired.”
In Volvo cars, cameras, lasers and radar are available to monitor both the car’s movement and the driver’s behaviour to alert, assist and wake up drowsy drivers. One of these alerts is the “coffee cup. You’ve probably seen it appear in your car's information display. But chances are you linked it to your driven miles and not the way you’re driving. The engineering behind it is way smarter – your driving is actually matched with a special algorithm that simulates a drowsy driver. It can even tell you where it’s safe to pull over. Coffee anyone?
“It’s hard to predict exactly when a person will fall asleep, even in a lab with strict monitoring”
Mikael Ljung Aust
Driver behaviour specialist at Volvo Cars
Let’s change culture
Companies are recognising that, in today's offices, break rooms are just as important as conference rooms. For taxi drivers, their entire workspace is their cars. They read the news waiting for red to turn green, eat lunch parked next to sidewalks – with people not always respecting the off-duty sign. It’s a stressful environment and stress causes people to sleep less. Along with the cigarettes, caffeine and catnaps to stay alert, that seems a risky approach.
It brings up a big question: Should people really have the responsibility for transporting others? Airline pilots switch on autopilot just after take-off and keep it on until the final approach to reduce workload and ensure the safest, most comfortable flight for the passengers. And on the road we know most accidents are caused by the human factor. The latest Volvo cars come equipped with an advanced driver assistance system, which is a step towards a future with fully autonomous cars.
Fully autonomous cars may be the future, and a safer one at that, but a driver gave me his two cents on my ride out to Brooklyn. “If you replace people with technology you must take care and provide all those men and women with something else worthwhile doing.” When it was time to step out of the taxi, I asked him what was the best thing about being a professional driver. “Meeting people”, he said. And perhaps that’s where the future of these drivers lies, not just as drivers but as the tourist guides, comedians, political experts and therapists that make travelling and talking with them such a unique experience? After all, they are already the unofficial ambassadors of New York City.
In any case, a fully autonomous reality is perhaps a human generation away. But until then we need to wake up, get some proper sleep and put an end to drowsy driving.
A little help from your friends
3 ways we can help you stay awake and on the right track.
Driver Alert Control
Intended primarily for use on long stretches of road where tiredness can take over, Driver Alert Control detects when a driver begins to drive less consistently. An on-board camera compares the road markings with the drivers steering wheel movements. If the car does not follow the markings, the system sends an alert to the driver.
Rest Stop Guidance
New Volvo cars are fitted with a number of innovations designed to help drivers stay alert on the road. And these functions are often designed to work together. For example, if the Driver Alert Control function senses you are in need of a rest, the Rest Stop Guidance function will provide you with directions to the nearest rest area.
Lane Keeping Aid
Lane Keeping Aid senses when a driver loses concentration or control of the car in some way. If the system detects a driver is not in control, e.g. if they begin to stray across lane markings, Lane Keeping Aid gently steers the car back into the right lane. If steering intervention is not enough, the driver is warned by vibrations in the steering wheel or a warning sound.
Wake up and get some sleep
We travelled to New York to discover how drivers stay alert behind the wheel in the city that never sleeps. Impaired reaction time, judgment and vision. These are just some of the effects of drowsy driving.
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