sandman

from WordNet (r) 3.0 (2006)

sandman
    n 1: an elf in fairy stories who sprinkles sand in children's
         eyes to make them sleepy

from The Collaborative International Dictionary of English v.0.48

Sandman \Sand"man`\, n.
   A mythical person who makes children sleepy, so that they rub
   their eyes as if there were sand in them.
   [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

Sandman

   The {DoD} requirements that led to {APSE}.

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