Page 223 - Bodhayanti Parasparam Vol 2

CLARIFICATIONS
sadhana. Absorbency will also be there and they are intimations of the Divine and it is very assuring to us to move further in the path. You may please read the articles on Concentration and Control of Mind of the Master to fully appreciate the value of this system.
A) Thoughts are the very nature of Reality and they will always be there. When they are in tune with Reality/Divine we get an absorbed condition. Otherwise they are a bit grosser and we are aware of them.
A) Absorbency during meditation is good. Kindly watch the type of thoughts that come to you after the state of absorbency’s that would give clues of progress.
A) Regarding sleeping while sitting it is possible for one to sleep while sitting. As a matter of fact Samadhi itself is a deep sleep state which in certain yogic literatures is called Turiya. There are four states of consciousness called 1.Wakeful state
2.Dream state 3.Deep sleep state and 4.Samadhi or 221