The Science appears to support making Standard Time, not Daylight Saving Time, permanent. Of course, governments are passing laws to make DST permanent – just wait ’til winter when kids are going to school in total darkness!

Health and sleep experts say the joy of daylight saving time’s longer, lighter evenings is outweighed by the detriment of darker mornings.

Source: Sleep experts say Senate has it wrong: Standard time, not daylight saving, should be permanent | The Seattle Times

Here’s another link not behind a paywall, with a similar report.