Could You Get Jet Lag Before Airplanes Existed?

Opublikowano: 2026-10-24

Could you experience jet lag before airplanes existed? Did passengers aboard the Titanic suffer from it? Could ancient Roman travelers get jet lag? And how fast would you actually have to travel to outrun your body's internal clock? Today on Smartest Year Ever, I'm tracing the surprising history of jet lag—from ancient Rome and transatlantic ocean liners to record-breaking steam trains, early aviation, and the invention of the phrase "jet lag" itself. Along the way, we'll explore the science of circadian rhythms, why traveling east affects your body differently than traveling west, how Earth's ro...