नात्यश्नतस्तु योगोऽस्ति न चैकान्तमनश्नतः | न चातिस्वप्नशीलस्य जाग्रतो नैव चार्जुन
nātyaśnatastu yogo.asti na caikāntamanaśnataḥ . na cātisvapnaśīlasya jāgrato naiva cārjuna
但是，阿周那啊，瑜伽不属于食量过大者，也不属于完全不食者；不属于习惯性睡眠过多者，阿周那啊，也绝不属于习惯性熬夜者。
But, O Arjuna, Yoga is not for one who eats too much, nor for one who does not eat at all; neither for one who habitually sleeps too long, nor surely for one who keeps awake.
在此节中，主为瑜伽学生规定了饮食。你必须在饮食和睡眠上保持适度。食量过大者会感到困倦，睡眠会压倒你；食量过少者会感到虚弱，无法长时间冥想。睡眠过多会变得迟钝，心意会变得迟钝，身体会变得沉重；睡眠过少会感到困倦，在冥想时睡着。保持中庸之道，你将在瑜伽中迅速进步。
In this verse the Lord prescribes the diet for the students of Yoga. You must observe moderation in eating and sleeping. If you eat too much you will feel drowsy? and sleep will overpower you. You will get indigestion? flatulence? diseases of the bowels and the liver. If you eat too little you will get weakness and you will not be able to sit for a long time in meditation. You should eat neither more nor less than what is actually necessary for maintaining the body in a healthy and strong state.It may mean also that success in Yoga is not possible for him who eats more than the antity prescribed in the text books on Yoga. They prescribe Half the stomach must be filled with food a arter with water and the remaining fourth must be empty for the free movement of air. This is the Mitahara or moderate diest for a student of Yoga.If you sleep too much you will become lethargic. The mind will be dull and the body will be heavy. You cannot meditate. If you sleep too little you will experience drowsiness. You will sleep during meditation. Keep the golden medium. You will have rapid progress in Yoga.