In Europe there are (quite strictly enforced) regulations in place to ensure truckers/HGV-drivers take a 30min break every few hours.
https://www.fmcsa.dot.gov/sites/fmcsa.dot.gov/files/docs/Dri...
https://www.fmcsa.dot.gov/sites/fmcsa.dot.gov/files/docs/Dri...