Teen's headache reveals alarming health risk for family: "Saving people's lives" - CBS News

Canadian health researchers are urging the country to choose permanent standard time over permanent daylight saving time if it ends the twice-yearly clock change, warning that darker winter mornings could harm sleep and mental health. As Canadian provinces consider whether to abandon the twice-yearly clock change, Lam et al. argue that permanent standard time would be better for public health than keeping daylight saving time year-round. Image credit: ChadoNihi.