• Listen

  What it means

  Literally “evil does not sleep.” The proverb warns that misfortune, danger, or malicious people are always active and never rest, so one should stay vigilant. It can refer to a specific bad actor who is plotting, or more abstractly to the idea that trouble can arrive at any moment. Poles use it as a cautionary reminder not to let one’s guard down.

  English equivalent

  The devil never sleeps.

  Vocabulary

  • złe — evil / the bad one (neuter nominative, used as a noun here)
  • nie śpi — does not sleep (third person singular, present tense of spać)

  Grammar note

  Złe is the neuter form of the adjective zły (bad/evil) used as a substantive noun — a common device in Polish proverbs. The present tense nie śpi expresses a general, timeless truth rather than an action happening right now, which is the hallmark of proverbial statements.

  Cultural context

  The proverb has deep roots in Polish folk and Christian tradition, where 'evil' (złe) often personifies the Devil or misfortune as an ever-watchful enemy. It is used colloquially to urge caution — for example, after a period of good luck — and appears frequently in Polish literature and journalism as a rhetorical device.

  Beginner

Noticed a typo, a wrong translation, or anything that doesn't look right? We'd love to fix it — just let us know via the contact page. Thank you!