Why is resting so hard when you're stressed?
When you are carrying a high load of stress, your sympathetic nervous system is dominant. This state is designed for survival: your heart rate is elevated, your breath is shallow, and your muscles are tense, ready for action. If you simply lie down on the couch in this state, your body may be still, but your nervous system is still racing. The mind spins, and true rest feels impossible.
Restorative yoga bridges this gap. It uses the physical body to send a signal of safety back to the brain. When the body is completely supported by props — bolsters, blankets, chairs — it no longer has to work against gravity. The muscular gripping can finally release, and the nervous system receives the message that the emergency has passed.
The medicine of supported inversions
In the Iyengar tradition, supported inversions are the cornerstone of stress recovery. When we reverse the body's relationship to gravity, profound physiological shifts occur.
In poses like supported Sarvangasana (Shoulder Stand) or Viparita Karani (Legs Up the Wall), blood pressure in the upper body increases. The baroreceptors in the neck detect this increase and signal the brain to slow the heart rate and dilate the blood vessels. This is a mechanical trigger for the parasympathetic (rest and digest) nervous system.
"Inverted poses revitalize the whole system. They take the weight off the legs, relieving strain. By turning the body upside down, they activate sluggish inner organs, improve circulation, and aid sleep." — Mira Silva & Shyam Mehta, Yoga: The Iyengar Way
Finding a stillpoint
In July 2025, I wrote in the Be Aligned newsletter about the concept of a "stillpoint" — that moment in practice where the doing stops and the being begins. Supported Sarvangasana is often that point. When the chest is open, the chin is tucked, and the breath is smooth, the fluctuations of the mind begin to settle. B.K.S. Iyengar often referred to this pose as the "Mother of Asanas" because it nurtures the entire system.
Restorative practice is not about stretching or achieving flexibility. It is about creating the conditions for the body's innate healing intelligence to take over. It is the practice of learning how to be held.