as in insomnia
the inability to obtain adequate sleep
the prolonged bouts of sleeplessness were starting to affect his work
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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
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At the time, Monroe was under the constant care of a doctor and psychiatrist, who had prescribed her numerous medications to treat mental health issues as well as her insomnia.—
Angela Andaloro,
PEOPLE,
4 Sep. 2025
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Ashwagandha may also be effective in easing stress and insomnia, according to the National Center for Complementary and Integrative Health.—
Jocelyn Solis-Moreira,
Flow Space,
3 Sep. 2025
Noun
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For Walmsley, one of the world’s most successful ultrarunners, the sport has always been more than a career or a hobby – more than just a way to appease his restlessness.—
George Ramsay,
CNN Money,
21 Aug. 2025
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Sometimes that translated to a certain restlessness in still moments.—
Hannah Edgar,
Chicago Tribune,
16 Aug. 2025
Cite this Entry
“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 9 Sep. 2025.
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