Sri Aurobindo
Letters of Sri Aurobindo
Volume IV - Part 3
Fragment ID: 14716
You have to start [becoming conscious in sleep] by concentrating before you sleep always with a specific will or aspiration. The will or aspiration may take time to reach the subconscient, but if it is sincere, strong and steady, it does reach after a time – so that an automatic consciousness and will are established in the sleep itself which will do what is necessary.