Circadian rhythm

Quality:

Circadian rhythm - natural internal process that regulates the sleep-wake cycle. Article “Circadian rhythm” in Simple English Wikipedia has 19.5 points for quality (as of July 1, 2025). The article contains 4 references and 2 sections.

This article has the best quality in Swedish Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Circadian rhythm”, its content was written by 10 registered users of Simple English Wikipedia and edited by 1742 registered Wikipedia users in all languages.

The article is cited 27 times in Simple English Wikipedia and cited 4927 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #1088 in September 2017
• Global: #1456 in October 2017

The highest popularity rank from 2008:

• Local (Simple English): #2545 in August 2010
• Global: #2950 in October 2017

There are 44 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	Swedish (sv) Dygnsrytm		100
2	English (en) Circadian rhythm		90.0048
3	German (de) Circadiane Rhythmik		70.2502
4	Norwegian (Nynorsk) (nn) Døgnrytme		68.0107
5	Vietnamese (vi) Nhịp điệu sinh học hằng ngày		67.1671
6	Hungarian (hu) Cirkadián ritmus		60.7669
7	Greek (el) Κιρκάδιος ρυθμός		57.2558
8	Armenian (hy) Ցիրկադային ռիթմ		54.6329
9	Esperanto (eo) Tagnokta ritmo		52.8977
10	Estonian (et) Tsirkadiaanrütm		47.3134

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

#	Language	Popularity award	Relative popularity
1	English (en) Circadian rhythm		13 219 347
2	Spanish (es) Ritmo circadiano		3 230 793
3	Italian (it) Ritmo circadiano		1 474 699
4	French (fr) Rythme circadien		1 429 487
5	Russian (ru) Циркадный ритм		1 353 137
6	German (de) Circadiane Rhythmik		1 243 044
7	Japanese (ja) 概日リズム		1 062 843
8	Portuguese (pt) Ritmo circadiano		807 995
9	Dutch (nl) Circadiaan ritme		295 760
10	Greek (el) Κιρκάδιος ρυθμός		212 851

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

#	Language	Popularity award	Relative popularity
1	English (en) Circadian rhythm		28 540
2	Russian (ru) Циркадный ритм		6 063
3	Spanish (es) Ritmo circadiano		4 240
4	French (fr) Rythme circadien		4 193
5	German (de) Circadiane Rhythmik		3 114
6	Italian (it) Ritmo circadiano		2 714
7	Japanese (ja) 概日リズム		2 578
8	Greek (el) Κιρκάδιος ρυθμός		1 058
9	Portuguese (pt) Ritmo circadiano		909
10	Dutch (nl) Circadiaan ritme		839

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

#	Language	AI award	Relative AI
1	English (en) Circadian rhythm		592
2	German (de) Circadiane Rhythmik		153
3	Spanish (es) Ritmo circadiano		96
4	French (fr) Rythme circadien		86
5	Italian (it) Ritmo circadiano		82
6	Russian (ru) Циркадный ритм		82
7	Swedish (sv) Dygnsrytm		60
8	Dutch (nl) Circadiaan ritme		57
9	Norwegian (no) Døgnrytme		51
10	Japanese (ja) 概日リズム		49

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

#	Language	AI award	Relative AI
1	Armenian (hy) Ցիրկադային ռիթմ		2
2	English (en) Circadian rhythm		1
3	Hebrew (he) שעון צירקדי		1
4	Chinese (zh) 昼夜节律		1
5	Arabic (ar) نظم يوماوي		0
6	Azerbaijani (az) Sirkad ritmi		0
7	Bulgarian (bg) Циркаден ритъм		0
8	Catalan (ca) Ritme circadiari		0
9	Czech (cs) Cirkadiánní rytmus		0
10	Danish (da) Døgnrytme		0

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Pornhub, XXXTentacion, XVideos, List of people who have walked on the Moon, Manon Bannerman, Ajit Pawar, List of U.S. states, List of sex positions.

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