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Mar 25, 2017

ARTIFICIAL DAYLIGHT on Daimler truck cabins * Germany: Experiment

* Stuttgart - Daimler finds artificial sunlight could make for brighter truckers

--- Truck drivers spend a long time sitting in small space, with variable sleeping hours and long stints driving through the night. This is amplified for truckers working during winter in Northern Europe, where daylight is in short supply. A research team at Daimler has looked into the effects of "artificial daylight" in truck cabins, finding light at the right wavelength can have a huge positive impact on drivers while they work... Although we don't often think about it, light plays a big role in maintaining our mental wellbeing... Having discovered that the shape of truck cabins limits the amount of natural daylight in the cabin, Daimler undertook a two-week study in Rovaniemi, Finland. Drivers were subjected to steady light while driving, an intense blast of light before/after driving, and light at maximum intensity while they reclined in their seats and napped. Testing took place over a two-week period, and drivers drove the same routes without the artificial light to form a baseline... "Sunlight" came from a Mercedes Daylight+ module in the cabin, which emits light with a wavelength between 460 and 490 nanometers. Data was collected using electroencephalography (EEG), electrocardiography (ECG) and electrooculography (EOG) measurements. Drivers also gave saliva samples, their mental state was measured with standardized psychological tests, and driving performance was mapped using the on-board telematics system... Not only did drivers report a significant improvement into their mood when using the new light, but on-board data showed drivers with more "daylight" in the cabin drove more economically than their sun-deprived selves. Drivers also said they found the space in the interior more pleasing with the special Daylight+ unit fitted... 
(Credit: Daimler - Daimler has been testing the impact of sunlight on the mental state of drivers. Drivers were wired up for the testing) -- Stuttgart, Germany - New Atlas, by Scott Collie - March 22nd, 2017

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