lose sleep

verb

To worry.

“I won't be losing sleep over the national budget deficit.”

Meanings

verblose sleep (third-person singular simple present loses sleep, present participle losing sleep, simple past and past participle lost sleep)

present singular third person loses sleep · participle present losing sleep · participle past lost sleep · past lost sleep

  1. oftenTo worry.

    I won't be losing sleep over the national budget deficit.

    2 more examples

    What keeps you awake at night? Worry about being self-employed. Nowadays, I don’t lose sleep over my divorce—I did for about a year.

    2019 December 14, Rosanna Greenstreet, “Laurence Fox: ‘I don’t lose sleep over my divorce – I did for about a year’”, in The Guardian, →ISSN

    I don’t lose sleep over it. My energy is with the players and the people here. I’m in here early in the morning until late at night, trying to find solutions and the best way forward.

    2022 August 26, Ben Fisher, quoting Brendan Rodgers, “Brendan Rodgers not losing sleep over threat of sack despite Leicester woes”, in The Guardian, →ISSN
Cite this entry
APA

lose sleep. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lose%20sleep

MLA

“lose sleep.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lose%20sleep. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “lose sleep,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lose%20sleep.

Source: lose sleep on Wiktionary, CC BY-SA 4.0.