[WCCO-TV News, March 07, 2025]With yet another clock change because of Daylight Saving, Allina Health pulmonologist and sleep specialist Andrew Stiehm, MD says we have to remember the human body does not react to clocks, it reacts to the sun. Still, every year we spring forward or fall back without a real understanding of why. WCCO-TV interviewed Dr. Stiehm for a story questioning if there is really a need for Daylight Saving.