Syvä uni

Slow-wave sleep - 3rd and 4th sleep stage. Article “Syvä uni” in Finnish Wikipedia has 21.6 points for quality (as of July 1, 2025). The article contains 2 references and 1 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Finnish) language version.

Since the creation of article “Syvä uni”, its content was written by 3 registered users of Finnish Wikipedia and edited by 205 registered Wikipedia users in all languages.

The article is cited 3 times in Finnish Wikipedia and cited 576 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Finnish): #521 in May 2021
• Global: #77794 in May 2013

The highest popularity rank from 2008:

• Local (Finnish): #12492 in December 2021
• Global: #128428 in January 2008

There are 12 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Slow-wave sleep		77.162
2	Latin (la) Somnus undarum lentarum		37.8875
3	Spanish (es) Sueño de ondas lentas		32.7981
4	Dutch (nl) Diepe slaap		28.1599
5	Malay (ms) Tidur gelombang perlahan		25.1731
6	Indonesian (id) Tidur gelombang lambat		21.8893
7	Finnish (fi) Syvä uni		21.5877
8	Arabic (ar) نوم الموجة البطيئة		21.4896
9	Persian (fa) خواب امواج آهسته		21.3245
10	Chinese (zh) 慢波睡眠		11.8068

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Syvä uni" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Slow-wave sleep		1 865 720
2	Chinese (zh) 慢波睡眠		93 082
3	Italian (it) Sonno a onde lente		78 667
4	Spanish (es) Sueño de ondas lentas		64 836
5	Finnish (fi) Syvä uni		31 004
6	Dutch (nl) Diepe slaap		23 714
7	Korean (ko) 서파수면		8 608
8	Indonesian (id) Tidur gelombang lambat		6 845
9	Persian (fa) خواب امواج آهسته		4 005
10	Malay (ms) Tidur gelombang perlahan		2 412

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Syvä uni" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Slow-wave sleep		6 313
2	Chinese (zh) 慢波睡眠		434
3	Korean (ko) 서파수면		373
4	Dutch (nl) Diepe slaap		185
5	Spanish (es) Sueño de ondas lentas		182
6	Finnish (fi) Syvä uni		167
7	Italian (it) Sonno a onde lente		164
8	Indonesian (id) Tidur gelombang lambat		62
9	Arabic (ar) نوم الموجة البطيئة		36
10	Persian (fa) خواب امواج آهسته		16

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Syvä uni" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Slow-wave sleep		135
2	Italian (it) Sonno a onde lente		30
3	Chinese (zh) 慢波睡眠		13
4	Spanish (es) Sueño de ondas lentas		10
5	Dutch (nl) Diepe slaap		4
6	Finnish (fi) Syvä uni		3
7	Persian (fa) خواب امواج آهسته		2
8	Korean (ko) 서파수면		2
9	Latin (la) Somnus undarum lentarum		2
10	Malay (ms) Tidur gelombang perlahan		2

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Syvä uni" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Slow-wave sleep		1
2	Arabic (ar) نوم الموجة البطيئة		0
3	Spanish (es) Sueño de ondas lentas		0
4	Persian (fa) خواب امواج آهسته		0
5	Finnish (fi) Syvä uni		0
6	Indonesian (id) Tidur gelombang lambat		0
7	Italian (it) Sonno a onde lente		0
8	Korean (ko) 서파수면		0
9	Latin (la) Somnus undarum lentarum		0
10	Malay (ms) Tidur gelombang perlahan		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Syvä uni" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Slow-wave sleep		249
2	Chinese (zh) 慢波睡眠		76
3	Persian (fa) خواب امواج آهسته		66
4	Italian (it) Sonno a onde lente		48
5	Dutch (nl) Diepe slaap		39
6	Korean (ko) 서파수면		37
7	Arabic (ar) نوم الموجة البطيئة		29
8	Spanish (es) Sueño de ondas lentas		17
9	Indonesian (id) Tidur gelombang lambat		8
10	Finnish (fi) Syvä uni		3

More...

#	Language	Value
ar	Arabic نوم الموجة البطيئة
en	English Slow-wave sleep
es	Spanish Sueño de ondas lentas
fa	Persian خواب امواج آهسته
fi	Finnish Syvä uni
id	Indonesian Tidur gelombang lambat
it	Italian Sonno a onde lente
ko	Korean 서파수면
la	Latin Somnus undarum lentarum
ms	Malay Tidur gelombang perlahan
nl	Dutch Diepe slaap
zh	Chinese 慢波睡眠

Best Rank

Finnish: #12492 12.2021

Global: #128428 01.2008

Best Rank

Finnish: #521 05.2021

Global: #77794 05.2013

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In Finnish Wikipedia the most popular articles on that day were: Jeffrey Epstein, Pekka Vennamo, Kaarina Maununtytär, Lauri Vuorinen, Johannes Høsflot Klæbo, Olli Hiidensalo, Marion Rung, Veikko Vennamo, Siim Liivik, Markku Uusipaavalniemi.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information