Why Does Clock Change Wreck Sleep? | Daylight Saving Time & Body Clocks

Discovery Rangers · Oct 26, 2026 · 17m

Why does clock change wreck sleep? Discover how daylight saving time disrupts circadian rhythm and body clocks in this fun STEM science episode for homeschool and family learning.

Deep inside your brain, an invisible team of master timekeepers runs on a precise 24-hour loop called your circadian rhythm. This inner crew takes all its cues from natural sunlight, keeping your body's train running smoothly on its own schedule. But when daylight saving time ends in November and the wall clocks jump backward, your internal clock train and the outside world suddenly run on completely different…