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)
1999200020012002200320042005200620072008200920102011201220132014
Neurology (clinical) Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1
Physiology (medical) Q1Q1Q1Q1Q2Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1Q1

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

Coverage: 1978-2015

H Index: 146

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.

Indicators1999200020012002200320042005200620072008200920102011201220132014
SJR1,1111,2231,2191,1391,0391,2841,4921,9221,7561,9012,1362,1941,9882,0892,1892,053
Total Documents13014895102159217226208201200202225238229272242
Total Docs. (3years)432371369373345356478602651635609603627665692739
Total References4.1104.7183.2943.6974.3188.2687.7177.6637.3247.1827.9688.5198.5478.44910.32110.461
Total Cites (3years)1.0071.1541.1771.2671.0241.3292.1912.7072.7432.8633.3533.7693.4233.5363.2682.990
Self Cites (3years)1101389111692233237289276223285289289240323254
Citable Docs. (3years)403336334341324317401455488491507507502520520554
Cites / Doc. (4years)2,503,383,793,643,944,035,455,805,746,086,857,577,287,366,675,85
Cites / Doc. (3years)2,503,433,523,723,164,195,465,955,625,836,617,436,826,806,285,40
Cites / Doc. (2years)2,342,943,522,752,954,185,355,705,125,406,276,596,266,095,624,75
References / Doc.31,6231,8834,6736,2527,1638,1034,1536,8436,4435,9139,4537,8635,9136,9037,9443,23
Cited Docs.297268270286267292386458495486519515527560548555
Uncited Docs.13510399877864921441561499088100105144184
% International Collaboration4,622,030,000,9813,8419,3514,6023,0819,9026,0023,7623,1126,8924,0222,0628,51


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