sandman

Short definition from Wiktionary

Noun

1. 1
   A figure that brings sleep and dreams by sprinkling magical sand into people's eyes.
2. 2
   Used as a symbol of the passage of time toward death.
3. 3
   A seller of sand.

Proper noun

1. 1
   A surname.
2. 2
   Alternative letter-case form of sandman (“folkloric figure sprinkling sand into eyes”).