Guruji, How can I differentiate between Sleep and Samadhi? Please advise.

Guruji,how can I differentiate between Sleep and Samadhi? Most often during my Sadhana, though I am sitting erect I lose contact with the present. Since my eyes are closed, I am unable to tell whether I have taken a short nap or have been in a short samadhi state. Please advise. Sleep is a completely […]