विषमादुपधानाच्च कठिनानां च चर्वणात् । वायुर्विवृद्धस्तैस्तैश्च वातलैरूर्ध्वमास्थितः ॥ ३३ ॥
use of irregular-uneven, hard pillow while sleeping, chewing very hard materials causes aggravation of vata, by exposure to vata aggravating factors, which gets localized in the upper parts of the body
विषमादुपधानाच्च कठिनानां च चर्वणात् । वायुर्विवृद्धस्तैस्तैश्च वातलैरूर्ध्वमास्थितः ॥ ३३ ॥
use of irregular-uneven, hard pillow while sleeping, chewing very hard materials causes aggravation of vata, by exposure to vata aggravating factors, which gets localized in the upper parts of the body