Permanent daylight saving time could be a public health time bomb

Canadian health researchers argue that permanent daylight saving time could harm sleep and mental health, particularly through darker winter mornings. Their analysis favors permanent standard time if the twice-yearly clock change ends, while debate over year-round daylight saving continues.

3 sources Published 2026-10-07 07:56 UTCUpdated 2026-10-08 11:20 UTC