Sleep killed the mighty lion.
Sleep killed the mighty lion.
Meaning in plain English
Sleep killing a mighty lion places vulnerability beside apparent strength. The saying warns against assuming power makes attention unnecessary.
Example
A team reviews a neglected maintenance issue instead of relying on its past success.
Deeper explanation and when to use it
The scene is not a verified animal finding or evidence that ordinary sleep is dangerous. A responsible nonmedical reading concerns complacency in a task. It does not justify sleep deprivation or blame a person harmed while resting.
When to use it
Use it as a qualified complacency image, not sleep advice.
Keep in mind
No health rule, animal outcome or blame for resting is established.
Edsverb editorial interpretation · agent reviewed · 2026-10-05. This explains the saying; it does not establish its historical origin.
- Country attributed by the collection
South Africa · source-attributed; earliest origin unverified
- Source
- Contributor-provided wisdom reference
Supplied reference B; unit 696; PDF page 63; collection label: South Africa
Reuse and collection notes ↗ - Attribution confidence
- traditional · supplied collection
Preserved as printed; independently unverified. - Historical coordinate
- Undated
No reliable date supplied by the collection. - Rights & edition
- Contributor-confirmed reuse permission
Translations and rights may differ elsewhere.
Provenance and licences ↗