Quote:
Originally Posted by Cugel
The funny thing about DST is that it has never been proven to save anything at all. However, it does cause a small but statistically significant increase in traffic accidents twice a year. Probably because for commuters light conditions changed substantially 'overnight'. So DST has more negative than positive effects, I think.
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I've seen studies that show that the changeover to standard time correlates with fewer morning traffic accidents, which was used to promote the idea that people are sleep-deprived, and the extra hour helps with that. The decrease returned to the average over the course of a week. Similarly, there was an increase when the switchover to DST occurred, which decayed to normal over the week.