Definition of beauty sleep
: sleep before midnight
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share beauty sleep
Time Traveler for beauty sleep
The first known use of beauty sleep was in 1828
See more words from the same year