sleeping with one eye open

A form of sleep with one eye open — To remain vigilant at all times, especially by remaining partially awake or sleeping only lightly so as to avoid being caught off guard.

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Meanings

verb
  1. gerundparticiplepresentpresent participle and gerund of sleep with one eye open
Cite this entry
APA

sleeping with one eye open. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sleeping%20with%20one%20eye%20open

MLA

“sleeping with one eye open.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sleeping%20with%20one%20eye%20open. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sleeping with one eye open,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sleeping%20with%20one%20eye%20open.

Source: sleeping with one eye open on Wiktionary, CC BY-SA 4.0.