If you’re one of those people who experience migraines at the same time every day, you’re not alone – and there’s a scientific reason behind this maddening pattern. It’s all about your body’s internal clock, also known as the circadian rhythm. The Circadian Connection Our bodies are hardwired with an internal timekeeping system that regulates various physiological processes, including sleep-wake cycles, hormone release, and even pain perception. This biological clock is controlled by a tiny region in the brain called...