Astanga Hrudaya
कायवाक्चित्तभेदेन कर्मापि विभजेत्त्रिधा। कायादिकर्मणो हीना प्रवृत्तिर्हीनसंज्ञकः॥४०॥
Three types of actions pertaining to mind, body and speech lead to Dosha imbalance. Heenayoga – very less speaking, very little physical activity, very less thought process.
english translation
kAyavAkcittabhedena karmApi vibhajettridhA। kAyAdikarmaNo hInA pravRttirhInasaMjJakaH॥40॥
hk transliteration by Sanscript