There's also named experts in that article, in addition to my first link above

https://www.cbc.ca/news/canada/bc-daylight-saving-health-concerns-9.7114947

https://link.springer.com/article/10.1186/s12889-025-24618-8

Morning light is simply more important for our sleep quality (sets our circadian rhythm right)

https://pmc.ncbi.nlm.nih.gov/articles/PMC6814154/

https://www.sciencenews.org/article/daylight-saving-time-sleep-health-science