Definition of SWS

slow-wave sleep It seems children have an edge over adults in the sense that, until around the age of 12, they experience more slow-wave sleep (SWS). This is a non-rapid eye movement (REM) phase of deep sleep that plays an important role in forming and retaining memories.— Christina Quaine

Learn More About SWS

Dictionary Entries Near SWS

S wrench

SWS

swtg

See More Nearby Entries 

Statistics for SWS

Cite this Entry

“SWS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SWS. Accessed 27 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for SWS

SWS

abbreviation

Medical Definition of SWS

slow-wave sleep It seems children have an edge over adults in the sense that, until around the age of 12, they experience more slow-wave sleep (SWS). This is a non-rapid eye movement (REM) phase of deep sleep that plays an important role in forming and retaining memories.— Christina Quaine

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!