> and even permanent daylight time is far superior to changing clocks twice a year

This paper implies that for health, permanent standard time would be best, and permanent DST would be the worst. And even keeping the current clock-shifting would be better than permanent DST.

"The combination of DST and winter would therefore make the differences between body clocks and the social clock even worse and would negatively affect our health even more."

https://journals.sagepub.com/doi/full/10.1177/07487304198541...