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School start times and academic achievement - A systematic review on grades and test scores

Overview of attention for article published in Sleep Medicine Reviews, December 2021
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About this Attention Score

  • In the top 5% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (97th percentile)
  • High Attention Score compared to outputs of the same age and source (85th percentile)

Mentioned by

news
6 news outlets
twitter
8 X users
reddit
3 Redditors
video
1 YouTube creator
bluesky
1 Bluesky user
podcasts
1 podcast

Readers on

mendeley
78 Mendeley
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Article details
Title
School start times and academic achievement - A systematic review on grades and test scores
Published in
Sleep Medicine Reviews, December 2021
DOI 10.1016/j.smrv.2021.101582
Pubmed ID
Authors

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Timeline Attention over time Attention Score history
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Activity
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X Demographics

X Demographics

The data shown below were collected from the profiles of 8 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley demographics

Mendeley demographics

The data shown below were compiled from readership statistics for 78 Mendeley readers of this research output. Click here to see the associated Mendeley record.
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Geographical breakdown

Geographical breakdown
Country Count As %
Unknown 78 100%

Demographic breakdown

Readers by professional status
Readers by professional status Count As %
Unspecified 4 5%
Student > Master 4 5%
Other 3 4%
Student > Bachelor 3 4%
Student > Ph. D. Student 3 4%
Other 10 13%
Unknown 51 65%
Readers by discipline
Readers by discipline Count As %
Unspecified 4 5%
Psychology 4 5%
Nursing and Health Professions 3 4%
Medicine and Dentistry 3 4%
Physics and Astronomy 2 3%
Other 9 12%
Unknown 53 68%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 69. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 June 2026.
All research outputs
#777,566
of 34,306,620 outputs
Outputs from Sleep Medicine Reviews
#223
of 1,341 outputs
Outputs of similar age
#15,504
of 563,614 outputs
Outputs of similar age from Sleep Medicine Reviews
#3
of 20 outputs
Altmetric has tracked 34,306,620 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 97th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 1,341 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 54.7. This one has done well, scoring higher than 83% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 563,614 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 97% of its contemporaries.
We're also able to compare this research output to 20 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 85% of its contemporaries.