While physiological effects are doubtlessly a part of it, how much of the increase is just down to the fact that driving at night, when it is hard to see, is mo

While physiological effects are doubtlessly a part of it, how much of the increase is just down to the fact that driving at night, when it is hard to see, is more dangerous? According to the NHTSA, the odds (per mile) of dying in a car crash at night versus during the day is... approximately 300%. https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/810637 https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/...