Technology connections (youtube channel) did a video about this. There was a trade-off between night vision and circadian rythm disruption vs driver safety. Co

Technology connections (youtube channel) did a video about this. There was a trade-off between night vision and circadian rythm disruption vs driver safety. Cooler light is better at keeping people awake and alert, and people drive safer when they are alert. Given that car accidents are a major cause od death, that is a hard point to compromise on.