Gas Sensing Solutions (GSS) found that there are rising levels of carbon dioxide (CO2) in cars, which can vastly increase depending on car capacity.
Feeling drowsy or sleepy whilst driving is a very common occurrence for many. According to a 2005 poll carried out by the American Nation Sleep Foundation, 60% of adult US drivers (around 168 million) admitted to driving whilst feeling drowsy in the past year, with more than one third (around 103 million) admitting to falling asleep behind the wheel.
Levels of CO2 at 1,000 ppm (parts-per-million) and above can cause individuals to become lethargic and drowsy. Carbon dioxide sensor specialists, Gas Sensing Solutions, questioned whether common drowsiness whilst driving could be linked to the build-up of CO2 levels in vehicles.
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