What is Circadian Rhythm in Humans?
The circadian rhythm in humans functions like an internal biological clock that regulates when we wake up, eat, sleep, and heal. In Ayurveda , this rhythm is closely aligned with the sun's movement, the balance of doshas (Vata, Pitta, and Kapha), and our daily habits known as Dinacharya . It governs much more than sleep—it controls digestion, hormones, mood, and our overall health. While modern science refers to this as the biological clock , Ayurveda has recognized and described these natural cycles for thousands of years through daily and seasonal routines— Dinacharya and Ritucharya . According to this ancient wisdom, living out of sync with nature’s rhythm can lead to disturbed sleep, poor digestion, low energy, and several chronic lifestyle disorders. The human circadian rhythm is deeply linked to the cycles of sunrise and sunset. Ayurvedic teachings emphasize the importance of aligning our eating, working, and sleeping patterns with nature to maintain a healthy rhythm. W...