Dictionary Home »
Dictionary Definitions » sleeplessness
sleeplessness
Variant of sleepless
adjective
- unable to sleep; wakeful; restless
- marked by absence of sleep: a sleepless night
- constantly moving, active, or alert
Related Forms:
- sleeplessly adverb
- sleeplessness noun
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Learn more about sleeplessness