as in insomnia
the inability to obtain adequate sleep
the prolonged bouts of sleeplessness were starting to affect his work
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of sleeplessness
My tolerance to alcohol was shrinking while my anxiety and sleeplessness were growing.
—
Donna Francis, Allure, 25 Aug. 2025
Teething begets teeth, sleeplessness begets sleep.
—Ellyn Gaydos
august 11, Literary Hub, 11 Aug. 2025
Donna Francis, Allure, 25 Aug. 2025
Teething begets teeth, sleeplessness begets sleep.
—Ellyn Gaydos
august 11, Literary Hub, 11 Aug. 2025
Recent Examples of Synonyms for sleeplessness
Noun
-
The primary mode of treatment is cognitive behavioral therapy for insomnia, or CBTI.—
Madeline Holcombe,
CNN Money,
11 Sep. 2025
-
Treating insomnia symptoms could very well soften the negative effects of sleep deprivation on the brain.—
Erica Sloan,
SELF,
10 Sep. 2025
Noun
-
Anxiety, however, usually triggers stress responses, which can manifest in a tight chest, sweaty palms, a racing heart or restlessness.—
Mark Travers,
Forbes.com,
11 Sep. 2025
-
There’s a kind of restlessness.—
Angelica Jade Bastién,
Vulture,
11 Sep. 2025
Cite this Entry
“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 18 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share