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
Recent Examples of Synonyms for sleeplessness
insomnia
Noun
-
The effects of paradoxical insomnia are distressing.—
Smita Patel,
Verywell Health,
28 Apr. 2025 -
Delta 9 also produces the most psychoactive effects and can be used for a variety of reasons, including to help with anxiety, insomnia, low appetite, muscle pain and nausea.—
Greta Cross,
USA Today,
18 Apr. 2025
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.
Cite this Entry
“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 23 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share