Sri Aurobindo
Letters of Sri Aurobindo
Volume IV - Part 3
Fragment ID: 14715
It [meditation before sleep] can certainly have an effect – though not perhaps through the whole sleep – for the sleep passes through many phases or planes and the effect is not likely to survive all these changes of consciousness and domain. It is possible however to get after a time a control and consciousness in the sleep itself. As for the subconscient, it can certainly have an effect, but most when there is a precise and positive will put upon the subconscient in the meditation.