Won't this have all the same problems of the current DST switch? During the week of the schedule change, employees will be less productive and more susceptible to health problems.

The inherent problem is that we're switching the time by a full hour all at once. We could make the change more gradually, perhaps by a few minutes each week—but nobody wants to coordinate that!

If they did it all at once. But it would be totally reasonable for the company to say shift it 15 or 30 minutes a week or make other concessions like having everyone switch on different days based on a shift schedule or whatever.

They could also tie it to a vacation where people tend to shift schedules anyway. Like “new hours after the new year!”

That sounds extremely complicated to me! Now when I'm scheduling meetings, I have to consider a constantly shifting schedule! Are clients/partners/customers/etc also aware of this policy? What time do employees drop their kids off at school?

If we as a society wanted to adopt this solution (which admittedly requires societal agreement—I think you might need that anyway!), I actually think changing clocks would be the only way to make it work. Most clocks these days are or could be computers, so we could make them adjust themselves by 15 minutes every Sunday, and no one would have to think about it.

I think you’re over complicating it. Lots of businesses already change hours throughout the year (and even the week!). Think of a restaurant or museum. Different hours every day. Or places in tourist destinations that have long summer hours and short winter hours.

For most companies it wouldn’t be hard to say “no meetings before 9am from November to March”.

This is a problem we already have in the form of people taking lunch at different times. We can schedule meetings around lunch just fine.

At the companies I've worked at, people "dealt" with this by taking lunch when they didn't have meetings, not the other way around