Sleep dust

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Revision as of 13:59, 6 December 2015 by Doug86 (talk | contribs) (Undo revision 1972650 by Devitt.logan (talk) - it's never called that in the story)
Sleep dust

Sleep dust was a crusty, sand-like substance discharged from humans during sleep and deposited in the corners of their eyes. It was made of blood cells, skin cells and mucus.

In the 38th century, Professor Gagan Rassmussen's experiments with improving Morpheus pods resulted in the creation of life-forms made of sleep dust, which the Twelfth Doctor dubbed "Sandmen". (TV: Sleep No More)