SJR Scimago Journal & Country Rank
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Sleep

Country: United States

Subject Area: Medicine

Subject Category:

CategoryQuartile (Q1 means highest values and Q4 lowest values)
199920002001200220032004200520062007200820092010201120122013
Neurology (clinical) Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1
Physiology (medical) Q1Q1Q1Q1Q2Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1

Publisher: American Academy of Sleep Medicine. Publication type: Journals. ISSN: 01618105, 15509109

Coverage: 1978-2013

H Index: 134

Scope:

SLEEP is the official publication of the Associated Professional Sleep Societies, LLC (APSS) a joint venture of the American Academy [...]

SJR indicator vs. Cites per Doc (2y)

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The SJR indicator measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is. Cites per Doc. (2y) measures the scientific impact of an average article published in the journal, it is computed using the same formula that journal impact factor ™ (Thomson Reuters).

Citation vs. Self-Citation

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Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.

Cites per Document vs. External Cites per Document

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Evolution of the number of total cites per document and external cites per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years.

Cites per Document in 2, 3 and 4 years windows

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Evolution of Citations per Document to a journal's published documents during the two, three and four previous years. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

International Collaboration

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International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country.

Journal's Citable vs. Non Citable Documents

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Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows.

Journal's Cited vs. Uncited Documents

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Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Indicators199920002001200220032004200520062007200820092010201120122013
SJR1,1461,2641,2571,1891,0791,3341,5692,0671,9562,1772,4492,5262,3212,4472,602
Total Documents13014895102159217207208201200202225238229272
Total Docs. (3years)432371369373345356478583632616609603627665692
Total References4.1104.7183.2943.6974.3188.2686.9557.6637.3247.1827.9688.5198.5478.44910.321
Total Cites (3years)1.0061.1541.1681.2671.0141.3352.0092.5482.6262.7163.2683.4013.2463.4153.215
Self Cites (3years)1101389111692235212277270213285289289244323
Citable Docs. (3years)403336334341324317401442475478507507502520520
Cites / Doc. (4years)2,503,383,763,643,914,065,025,605,655,956,606,826,897,076,57
Cites / Doc. (3years)2,503,433,503,723,134,215,015,765,535,686,456,716,476,576,18
Cites / Doc. (2years)2,342,943,492,752,944,214,935,564,985,346,116,065,995,935,52
References / Doc.31,6231,8834,6736,2527,1638,1033,6036,8436,4435,9139,4537,8635,9136,9037,94
Cited Docs.297268267286267291382440481469517508522555547
Uncited Docs.135103102877865961431511479295105110145
% International Collaboration4,622,030,000,9813,8419,3514,9823,0819,9026,0023,7623,1126,8924,0222,06


Scimago Lab, Copyright 2007-2014. Data Source: Scopus®