The circadian clock, also known as the biological clock, is a vital internal timekeeping system that regulates nearly every process in the human body. From sleep cycles to hormone production, digestion, and even mental clarity, this 24-hour rhythm influences how we function on a daily basis. Understanding how the circadian clock works—and how to align with it—can dramatically improve your health, productivity, and well-being. The circadian rhythm is a natural, internal process that follows a roughly 24-hour cycle. This clock is governed by the suprachiasmatic nucleus (SCN) in the brain’s hypothalamus, which responds primarily to light and dark signals. When…