Heard a discussion on sleep deprivation this weekend and the spring forward time change was noted to have a 30% spike in heart attacks and other maladies.

The number of children getting hit run over at school bus stops is also an issue. Candy manufacturers pushed real hard to get the fall back date to include Halloween so they could sell more candy.

The length of daylight changes fastest at the 2 solstices about 3 minutes a day, unlike the abrupt 1 hour change of DST.