physical being, not being accustomed to go inside except in the way of sleep, translates this into a sense of sleepiness.Sri Aurobindo
Letters of Sri Aurobindo
Volume II - Part 2
Fragment ID: 11687
When the pressure gives a tendency to insideness (samadhi), the physical being, not being accustomed to go inside except in the way of sleep, translates this into a sense of sleepiness.