Mercedes[1] has drowsiness detector, it observes the driver through sensors. It's freakishly accurate. [1] https://media.daimler.com/marsMediaSite/en/instance/

Mercedes[1] has drowsiness detector, it observes the driver through sensors. It's freakishly accurate. [1] https://media.daimler.com/marsMediaSite/en/instance/ko/ATTENTION-ASSIST-Drowsiness-detection-system-warns-drivers-to-prevent-them-falling-asleep-momentarily.xhtml?oid=9361586 https://media.daimler.com/marsMediaSite/en/instance/ko/ATTEN...