Verse 59

संशान्ते देहप्रस्पन्दे चित्तवातमये तथा ।धातवो मैरवं स्थैर्यं यान्ति संस्तम्भितात्मकाः

In plain words

When the body's stirring, made of citta and of vital wind, is wholly stilled, the dhātus, their very selves held motionless, come to a Meru-like steadiness.