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Topic · Physiology

Obstructive Sleep Apnea Research

Obstructive Sleep Apnea Research is a research topic within Physiology. Science Explorer counts 43k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the association between sleep-disordered breathing, particularly obstructive sleep apnea, and various health outcomes such as hypertension, cardiovascular disease, insulin resistance, and mortality. It also covers topics related to the epidemiology of sleep-disordered breathing, its impact on pediatric populations, and the neurobehavioral implications of this condition.

  • Sleep-Disordered Breathing
  • Obstructive Sleep Apnea
  • Hypertension
  • Cardiovascular Disease
  • Continuous Positive Airway Pressure
  • Epidemiology
  • Insulin Resistance
  • Pediatric Sleep Apnea
  • Mortality
  • Neurobehavioral Implications
Research works
43k
fractional, since 1950
In the world top 10%
4.3k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+16%
the tick is no change
Largest producer
United States
36% of the 10 largest, 2022-now
Obstructive Sleep Apnea Research

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Obstructive Sleep Apnea Research research?

By volume, the United States and China publish the most (2.7k and 1.7k works in 2022-now).

By volume, 2022-now

  1. 1 United States 2.7k works
  2. 2 China 1.7k works
  3. 3 India 583 works
  4. 4 Australia 410 works
  5. 5 Brazil 390 works
  6. 6 United Kingdom 365 works
  7. 7 France 345 works
  8. 8 Italy 338 works
  9. 9 Japan 333 works
  10. 10 Türkiye 332 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 35.8%China: 22.4%India: 7.9%Australia: 5.5%6 others listed: 28.4%36%largest
United States2,655 · 35.8%China1,663 · 22.4%India583 · 7.9%Australia410 · 5.5%6 others listed2,102 · 28.4%

Shares of the rows listed above, not of the whole node.

Which institutions lead Obstructive Sleep Apnea Research research?

By volume in 2022-now, Harvard University publishes the most Obstructive Sleep Apnea Research research, followed by Shanghai Jiao Tong University and Capital Medical University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 146 works
  2. 2 Shanghai Jiao Tong UniversityChina 73 works
  3. 3 Capital Medical UniversityChina 69 works
  4. 4 The University of SydneyAustralia 64 works
  5. 5 InsermFrance 63 works
  6. 6 University of TorontoCanada 62 works
  7. 7 Peking UniversityChina 58 works
  8. 8 Stanford UniversityUnited States 57 works
  9. 9 Sichuan UniversityChina 55 works
  10. 10 Universidade de São PauloBrazil 53 works

Who are the leading researchers in Obstructive Sleep Apnea Research?

The most-cited researchers publishing on Obstructive Sleep Apnea Research include Rob Knight, George Davey Smith and Walter Churchill Willett.

  1. 1 Rob Knight United States 468k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Walter Churchill Willett United States 411k citations
  4. 4 Stacey L. Gabriel United States 402k citations
  5. 5 John J.V. McMurray United Kingdom 349k citations
  6. 6 Emelia J. Benjamin United States 341k citations
  7. 7 Jun Wang China 340k citations
  8. 8 Matthias Egger Switzerland 326k citations
  9. 9 Mika Kivimäki United Kingdom 318k citations
  10. 10 Gregory Y.H. Lip United Kingdom 311k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Obstructive Sleep Apnea Research?

The most cited paper in Obstructive Sleep Apnea Research is "A New Method for Measuring Daytime Sleepiness: The Epworth Sleepiness Scale" (Murray W. Johns, 1991), with 17,509 citations. Next come "The Occurrence of Sleep-Disordered Breathing among Middle-Aged Adults" (10,268) and "Rules for Scoring Respiratory Events in Sleep: Update of the 2007 AASM Manual for the Scoring of Sleep and Associated Events" (5,340).

Most cited papers
#PaperReleasedCitations
1 A New Method for Measuring Daytime Sleepiness: The Epworth Sleepiness Scale Murray W. Johns · SLEEP Nov 1991 17,509
2 The Occurrence of Sleep-Disordered Breathing among Middle-Aged Adults Terry B Young, Mari Palta, Jerome A. Dempsey et al. · New England Journal of Medicine Open access 29 Apr 1993 10,268
3 Rules for Scoring Respiratory Events in Sleep: Update of the 2007 AASM Manual for the Scoring of Sleep and Associated Events Richard Barnett Berry, Rohit Budhiraja, Daniel J. Gottlieb et al. · Journal of Clinical Sleep Medicine Open access 12 Oct 2012 5,340
4 Prospective Study of the Association between Sleep-Disordered Breathing and Hypertension Paul E. Peppard, Terry B Young, Mari Palta et al. · New England Journal of Medicine Open access 11 May 2000 5,015
5 Long-term cardiovascular outcomes in men with obstructive sleep apnoea-hypopnoea with or without treatment with continuous positive airway pressure: an observational study José María Marín, Santiago J. Carrizo, Eugenio E. Vicente et al. · The Lancet Mar 2005 4,704
All 99 most cited papers, with filters and sorting

Where is Obstructive Sleep Apnea Research research done?

The largest centres of Obstructive Sleep Apnea Research research in 2022-now are Beijing (China), Seoul (South Korea), Shanghai (China) and São Paulo (Brazil).

Largest cities, 2022-now

  1. 1 BeijingChina 287 works
  2. 2 SeoulSouth Korea 160 works
  3. 3 ShanghaiChina 152 works
  4. 4 São PauloBrazil 146 works
  5. 5 ParisFrance 125 works
  6. 6 BostonUnited States 119 works
  7. 7 LondonUnited Kingdom 119 works
  8. 8 New YorkUnited States 114 works
  9. 9 GuangzhouChina 110 works
  10. 10 SydneyAustralia 104 works
See Obstructive Sleep Apnea Research on the map

Where is the best place to study Obstructive Sleep Apnea Research?

Among universities, judged by research, Harvard University, The University of Sydney and Université Grenoble Alpes score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 18.05%fractional works in this field (log) →share of work in the world top 10% →Macquarie UniversityUniversité Grenoble …The University of Sy…Harvard University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 78.117.7%4.7×146 +14.0%
2The University of SydneyAustralia 65.317.9%5.4×64 +4.6%
3Université Grenoble AlpesFrance 65.018.6%9.9×46 +13.0%
4Macquarie UniversityAustralia 63.019.8%6.1×22 +65.2%
5National University of SingaporeSingapore 62.917.9%2.3×26 +75.9%
6University of GothenburgSweden 62.518.3%5.6×26 +40.5%
7University of California San DiegoUnited States 62.413.4%5.4×51 +26.8%
8Wroclaw Medical UniversityPoland 62.031.5%9.3×13 +1.9%
9Flinders UniversityAustralia 61.514.4%13.7×36 +55.0%
10University of AntwerpBelgium 60.511.0%9.9×33 +22.7%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Obstructive Sleep Apnea Research, country by country

Is Obstructive Sleep Apnea Research research growing?

Output in 2022-2025 was 16% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Obstructive Sleep Apnea Research.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Obstructive Sleep Apnea Research as a percentage of every work published that year, 0.045% in 2024.

still counting0.020%0.040%0.060%Obstructive Sleep Apnea Research0.048% in 202519801990200020102020

Fractional works of Obstructive Sleep Apnea Research over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Obstructive Sleep Apnea Research10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Questions people ask

How much research is there on sleep apnea, and is it growing?

Output in 2022-2025 was 16% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Obstructive Sleep Apnea Research.

Is Obstructive Sleep Apnea Research research growing?
All 1,273 questions in the Question Catalogue

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