Circadian function refers to the natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours. These biological rhythms are known as circadian rhythms, and they influence a wide range of bodily functions — including sleep, hormone release, digestion, metabolism, and even mood. Maintaining a healthy circadian function is essential for overall well-being, yet it’s often disrupted by modern lifestyles.What is Circadian Function? At the heart of circadian function is the circadian clock, a complex system of biological processes that synchronize your body to the external environment. This clock is controlled by the suprachiasmatic nucleus (SCN) in…