What does "let sleeping dogs lie" mean?

To avoid disturbing a settled situation by bringing up old problems, past conflicts, or resolved issues. To leave things alone when they're already peaceful, even if unresolved. The image is literal - if a sleeping dog wakes up, it might bite. Metaphorically, bringing up old issues can cause trouble. It's wisdom about choosing peace over reopening wounds.

Natives use this phrase when cautioning against dredging up the past. It's pragmatic wisdom - sometimes the best thing is to leave things alone. You'll hear it in relationship advice (don't bring up past betrayals), workplace situations (don't reopen old disputes), and family dynamics. It recognises that not every issue needs to be resolved.

After a painful project failure that's now past, someone suggests reviewing what went wrong. A colleague says, "I understand, but maybe we should let sleeping dogs lie. Everyone's moved on." Choosing peace over reopening wounds.

Your friend wants to confront an old friend about something that happened years ago. You advise, "She's moved on. Let sleeping dogs lie - it'll only create new problems." Counselling against reopening old issues.

In a conflict resolution context: "Both parties have agreed to move forward without revisiting past disputes. Sometimes letting sleeping dogs lie is the most mature approach." Recognition that peace is sometimes more valuable than complete resolution.

• Let it go: Similar meaning, but "let sleeping dogs lie" specifically cautions against bringing up old issues.
• Bury the hatchet: About making peace after conflict, different from avoiding reopening issues.
• Leave it alone: More general. "Sleeping dogs lie" specifically about not disturbing settled situations.

• Using it when resolution is needed: Don't advise "let sleeping dogs lie" when an issue genuinely needs addressing for health/safety.
• Applying it to ongoing issues: The phrase is for settled situations. If something's still active, don't use this.
• Misunderstanding the wisdom: It's not avoidance of all problems, just recognition that some settled issues are better left undisturbed.

Usually in imperative: "Let sleeping dogs lie." Can use as metaphorical reference: "That's a sleeping dog we don't want to wake." Present: "We're letting sleeping dogs lie on that issue." Past: "We let sleeping dogs lie and it worked out fine." Future: "We should let sleeping dogs lie on this."

Casual to slightly formal, wise and measured. Works in personal and professional advice contexts. Proverb-like tone suggesting experience and wisdom.

[let-it-go], [move-on], [forgive-and-forget]