lose sleep over

idiom

Definition of lose sleep over

: 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.

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lose sight of

lose sleep over

lose (something) in translation

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Cite this Entry

“Lose sleep over.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lose%20sleep%20over. Accessed 17 Jan. 2022.

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