This podcast episode explores the experience of jet lag and its impact on our bodies and brains. It discusses the misalignment between our internal body clocks and the external environment during jet lag, as well as the symptoms and effects of jet lag. The episode provides tips for dealing with jet lag, including rest and preparation before travel, adjusting sleep patterns, and considering flight timing. It also highlights the role of caffeine, the direction of travel, light exposure, and sleep schedule matching in mitigating jet lag. The conversation emphasizes the challenges jet lag poses to the body, the potential long-term implications of frequent travel and shift work, and the impact of aging on circadian rhythms and sleep patterns.