lose sleep over
idiom
: to worry about (something) so much that one cannot sleep
—usually used in negative statements
I'm disappointed about their decision, but I'm not losing any sleep over it.
Examples of lose sleep over in a Sentence
Recent Examples on the Web
The Louisville transfer features the size (6-6, 330), length and explosive traits NFL defensive coordinators covet and QBs usually lose sleep over.
—
Eddie Brown, San Diego Union-Tribune, 22 Jan. 2026
Some executives surely lose sleep over fear of their government contracts being canceled or their merger being rejected on political grounds.
—Marc Novicoff, The Atlantic, 21 Jan. 2026
In the meantime, Virgili Bastida suggests that while policymakers and engineers need to be thinking about space debris and air traffic, the average traveler shouldn't lose sleep over the risks.
—Kiona N. Smith, Space.com, 4 Jan. 2026
For readers to lose sleep over Gone Before Goodbye.
—Lizz Schumer, PEOPLE, 25 Oct. 2025
See All Example Sentences for lose sleep over
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Eddie Brown, San Diego Union-Tribune, 22 Jan. 2026
Some executives surely lose sleep over fear of their government contracts being canceled or their merger being rejected on political grounds.
—Marc Novicoff, The Atlantic, 21 Jan. 2026
In the meantime, Virgili Bastida suggests that while policymakers and engineers need to be thinking about space debris and air traffic, the average traveler shouldn't lose sleep over the risks.
—Kiona N. Smith, Space.com, 4 Jan. 2026
For readers to lose sleep over Gone Before Goodbye.
—Lizz Schumer, PEOPLE, 25 Oct. 2025
See All Example Sentences for lose sleep over
Cite this Entry
“Lose sleep over.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lose%20sleep%20over. Accessed 2 Feb. 2026.
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