Sri Chinmoy: Certainly. Some disciples do headstands. It is very good to do headstands or two or three minutes of asanas, Hatha Yoga exercises; only don't do them for two or three hours. A few minutes will be enough.
Question: If we are sleepy, is it all right to exercise?
Sri Chinmoy, The hour of meditation.First published by Agni Press in 1977.
This is the 342nd book that Sri Chinmoy has written since he came to the West, in 1964.