न चातिस्वप्नशीलस्य जाग्रतो नैव चार्जुन ॥ १६ ॥
nātyaśratastu yogo’sti na caikāntamanaśrataḥ .
na cātisvapnaśīlasya jāgrato naiva cārjuna .. 16 ..
Read the commentary
Eats too much : eats more food than what is suited to him. The sruti says :
Whatever food is suited to oneself, that protects; it injures not. A greater quantity injures and a smaller quantity protects not."—(Satapatha-Brāhmaṇa).
The Yogin should therefore eat neither more nor less than what is suitable for him. Or it may mean this : Yoga is not possible for him who eats more than the quantity prescribed for a Yogin in the Yogasastra. The quantity of food is thus prescribed :
“Half (the stomach) for food and condiments, the third (quarter) for water, and the fourth should be reserved for free motion of air.”
How then can Yoga be achieved?—The answer follows :