Sri Aurobindo
Letters of Sri Aurobindo
Volume IV - Part 3
Fragment ID: 14669
8 hours [of sleep] at night is all right, the additional 2 hours is probably necessitated by the bad sleep you were having before. The body recoups itself in this way. That is why it is a mistake to take too little sleep – the body gets strained and has to recoup itself by abnormal sleep afterwards.