The concept of Earth freezing overnight, while a hypothetical, draws a stark parallel to past geological events known as 'Snowball Earth' episodes. Between approximately 580 and 750 million years ago, our planet endured at least three such periods. During these times, global temperatures plummeted to an astonishing -50°C, and the planet remained encased in ice for millions of years before eventually thawing. Understanding these past events is crucial because they highlight Earth's potential for extreme climate shifts and the resilience of life, albeit in drastically altered forms, to survive such conditions. They also underscore the fragility of our current global systems, which are highly dependent on stable, moderate temperatures. The rapid collapse of infrastructure and agriculture in the hypothetical overnight freeze scenario emphasizes how vulnerable modern human society is to severe environmental changes, even if those changes occur over a longer timescale than a single night.