The hiccup. The blink. The sneeze. The yawn.
These are not mechanical reflexes without intelligence. In the yogic anatomy, each has its governing Prana — each is an expression of the life-force performing a specific protective or regulatory function.
The five subsidiary Pranas — Upa-Pranas — extend the precision of the Pranic map into the domain of biological reflexes. They are governed by the primary Pranas but have their own specific functions:
Naga — the serpent Prana — governs burping and hiccupping. Its function is the upward release of gas from the digestive system. When food or energy has been taken in that the system cannot assimilate, Naga acts to release it upward. At the subtler level, it governs the spontaneous expression that occurs when something that has been suppressed needs to surface.
Kurma — the tortoise Prana — governs blinking and the protective closing of the eyes. Physiologically it regulates the lubrication of the eyes and the protective response to threat. In the yogic tradition it is associated with the capacity for inward focus — the Pratyahara function of withdrawing sensory engagement when full presence is required internally rather than externally.
Krikara — sometimes called Krikala — governs sneezing and the sensation of hunger. The sneeze is Prana forcefully clearing the respiratory pathway of obstruction. Hunger is the Prana signalling the need for nourishment. Both are expressions of the life-force's intelligence in maintaining its own optimal conditions.
Devadatta — the god-given Prana — governs yawning. In the yogic understanding, yawning is not merely a sign of tiredness. It is the body's mechanism for drawing in an extra charge of Prana when the system is depleted — a spontaneous self-regulation. The fact that yawning is contagious — that seeing another person yawn triggers the same in you — points to the social dimension of the Pranic field, which the tradition acknowledges but modern physiology has only recently begun to investigate.
Dhananjaya — the wealth-conquering Prana — is the most mysterious of the five. It pervades the entire body, as Vyana does, but where Vyana is the Prana of living circulation, Dhananjaya is said to remain in the body after death, maintaining its form for a period after the Prana proper has withdrawn. It governs the inflation of the body, the quality of the skin and tissues. In some texts it is associated with the quality of sound that the body produces — the resonance of a living being versus the silence of matter without Prana.
Abhinavagupta's Tantraloka situates these subsidiary Pranas within a complete cosmological framework: each function of the living body, however apparently minor, is an expression of Shiva's own Consciousness operating through that particular biological mode. The hiccup and the blink are as much divine expression as the deepest meditative state — which is why the fully awakened practitioner is described not as someone who transcends the body but as someone who recognises the body as a field of divine intelligence in its totality. Nothing is too small to be sacred. Nothing is too biological to be Shiva.
The practical application of this knowledge is not primarily in treating the specific functions of these minor Pranas. It is in the quality of attention it cultivates toward the body as a whole. The person who understands that every biological function — including the ones their culture considers embarrassing or trivial — is an expression of intelligent life-force inhabits their body differently. With more respect. With more curiosity. With the quality of attention that the Tantric tradition calls Shiva-drishti — seeing through the eyes of Shiva, in which nothing is ordinary and nothing is excluded from the sacred.