sleep

naturally recurring resting state of mind and body
Intangible biological_process Q35831
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Summary

sleep is a biological process[1]. sleep ranks in the top 2% of biological process entities by monthly Wikipedia readership (16,167 views/month).[2]

Key Facts

  • Instance of: state of consciousness[3]
  • Followed by: awakening[4]
  • Subclass of: multicellular organismal process[5], behavior[6]
  • Commons category: Sleeping[7]
  • Opposite of: wakefulness[8]
  • Unicode character: 💤[9], 🛌[10], 😴[11]
  • Topic's main category: Category:Sleep[12]
  • Facet of: health[13]
  • Depicted by: The Sleeper[14], The Sleeping woman[15]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[16], Small Brockhaus and Efron Encyclopedic Dictionary[17], Explanatory Dictionary of the Living Great Russian Language[18], Granat Encyclopedic Dictionary[19], Gujin Tushu Jicheng[20], Lean Logic[21], Metropolitan Museum of Art Tagging Vocabulary[22], The Encyclopedia Americana[23], Encyclopædia Britannica 11th edition[24], The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[25]
  • Partially coincident with: rest[26]
  • Topic has template: Template:Sleep[27]
  • Has effect: sleeping[28], dream[29]
  • NCI Thesaurus ID: C73425[30]
  • Studied by: somnology[31]
  • Exact match: http://purl.obolibrary.org/obo/GO_0030431[32], http://purl.obolibrary.org/obo/HP_0002329[33]
  • Practiced by: sleeper[34]

Body

Influence

Things named for sleep include Sleep[35], a musical group[36], founded in 1990[37]; Gliridae[38], a taxon[39]; Tahajjud[40], a salah[41], founded in 0631[42], written by God in Islam[43]; and Palus Somni[44], a palus[45].

Why It Matters

sleep has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[46] sleep is known by 99 alternative names across languages and contexts.[47]

Entities named for sleep include Sleep[35], a musical group[36], founded in 1990[37]; Gliridae[38], a taxon[39]; Tahajjud[40], a salah[41], founded in 0631[42], written by God in Islam[43]; and Palus Somni[44], a palus[45].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [35] ↑ . wikidata.org. → on this site
  2. [38] ↑ . wikidata.org. → on this site
  3. [40] ↑ . wikidata.org. → on this site
  4. [44] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [36] ↑ . Wikidata. wikidata.org. → on this site
  2. [37] ↑ . Wikidata. wikidata.org. → on this site
  3. [39] ↑ . Wikidata. wikidata.org. → on this site
  4. [41] ↑ . Wikidata. wikidata.org. → on this site
  5. [42] ↑ . Wikidata. wikidata.org. → on this site
  6. [43] ↑ . Wikidata. wikidata.org. → on this site
  7. [45] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [46] ↑ . Wikidata sitelinks. wikidata.org.
  3. [47] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). sleep. Retrieved October 28, 2026, from https://4ort.xyz/entity/sleep
MLA “sleep.” 4ort.xyz Knowledge Graph, 4ort.xyz, 28 Oct. 2026, https://4ort.xyz/entity/sleep.
BibTeX @misc{4ortxyz_sleep_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sleep}}, year = {2026}, url = {https://4ort.xyz/entity/sleep}, note = {Accessed: 2026-10-28}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sleep — https://4ort.xyz/entity/sleep (retrieved 2026-10-28)

Canonical URL: https://4ort.xyz/entity/sleep · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Khhy · 2026-09-19 view diff on Wikidata ↗
    Practiced by → sleeper
    "/* wbsetclaim-create:2||1 */ Practiced by: sleeper"
  2. 7w ago · Rose Abrams · 2026-09-08 view diff on Wikidata ↗
    Dagens nyheter topic id → somn
    "/* wbsetclaim-create:1||1 */ Dagens nyheter topic id: somn, Matched to [[:toollabs:mix-n-match/#/entry/39943450|Sömn (#39943450)]] in [[:toollabs:mix-n-match/#/catalog/488|DN topic]] #mix'n'match"
  3. 10w ago · SLuecke · 2026-08-17 view diff on Wikidata ↗
    Verbaalpina id → C1017
    "/* wbcreateclaim-create:1| */ Verbaalpina id: C1017, #quickstatements; #temporary_batch_1786955435161"
  4. 13w ago · Pierrotrgr · 2026-07-24 view diff on Wikidata ↗
    Biblissima authority id → Kangxi radical 209 (⿐)
    "/* wbsetclaim-create:2||1 */ Biblissima authority id: Q295934, Import ID Biblissima V3 ([[:toollabs:editgroups/b/OR/a6710164cdc|details]])"
  5. 15w ago · Nyuhn · 2026-07-12 view diff on Wikidata ↗
    P14541 → 2egrPm, 3aKNiV, 40OuYl
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/41251|batch #41251]]: ZGBK ID"
  6. 16w ago · Susmuffin · 2026-07-03 view diff on Wikidata ↗
    Harper's tag → sleep
    "/* wbsetclaim-create:1||1 */ Harper's tag: sleep, Matched to [[:toollabs:mix-n-match/#/entry/289959840|sleep (#289959840)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n'match"
  7. 20w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → h0006965-spanek
    "/* wbcreateclaim-create:1| */ Svkkl authority id: h0006965-spanek, [[:toollabs:quickstatements/#/batch/259495|batch #259495]]"
  8. 24w ago · InternetArchiveBot bot · 2026-05-09 view diff on Wikidata ↗
    Depicted by → The Sleeper, The Sleeping woman
    Has effect → sleeping, dream
    Described by source → Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Explanatory Dictionary of the Living Great Russian Language +7
    Great russian encyclopedia online id (2017) → 3636837
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-references:1||1|2 */ Openalex id: C2775894451, Rescuing 1 sources and submitting 0 for archiving. #IABot (v2.0.9.5)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.