Weitere Beispiele werden automatisch zu den Stichwörtern zugeordnet - wir garantieren ihre Korrektheit nicht.
Yet, over a decade later, no rigorous research like the trucking study has been done.
The trucking study found that, although long-haul drivers had at least eight hours off a day, they slept only 4.8 hours on average--night-haulers just 3.8 hours.