sleepy dust (uncountable)
- (informal) Rheum crusted around the eyes from sleep.
- 2008, Kathleen McCleary, House and Home, Hyperion Books (2008), ISBN 9781401395445, unnumbered page:
- Ellen looked at her, at her face, now serious, with traces of sleepy dust still in the corners of her eyes.
- For more examples of usage of this term, see Citations:sleepy dust.