Gregory D. Roach

8.3k total citations · 3 hit papers
157 papers, 5.8k citations indexed

About

Gregory D. Roach is a scholar working on Experimental and Cognitive Psychology, Cognitive Neuroscience and Social Psychology. According to data from OpenAlex, Gregory D. Roach has authored 157 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 129 papers in Experimental and Cognitive Psychology, 48 papers in Cognitive Neuroscience and 46 papers in Social Psychology. Recurrent topics in Gregory D. Roach's work include Sleep and Work-Related Fatigue (110 papers), Sleep and related disorders (74 papers) and Sleep and Wakefulness Research (47 papers). Gregory D. Roach is often cited by papers focused on Sleep and Work-Related Fatigue (110 papers), Sleep and related disorders (74 papers) and Sleep and Wakefulness Research (47 papers). Gregory D. Roach collaborates with scholars based in Australia, United States and Qatar. Gregory D. Roach's co-authors include Charli Sargent, Drew Dawson∥, Shona L. Halson, Michele Lastella, Nicole Lamond, David Darwent, Jillian Dorrian, Sally A. Ferguson, Adam Fletcher and Dean J. Miller and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and The Journal of Physiology.

In The Last Decade

Gregory D. Roach

151 papers receiving 5.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Sleep and the athlete: narrative review and 2021 expert consensus recommendations

2020 310 citations Shona L. Halson, Charli Sargent et al. British Journal of Sports Medicine profile →
A Validation of Six Wearable Devices for Estimating Sleep, Heart Rate and Heart Rate Variability in Healthy Adults

2022 153 citations Dean J. Miller, Charli Sargent et al. Sensors profile →
The effect of caffeine on subsequent sleep: A systematic review and meta-analysis

2023 79 citations Jonathon Weakley, Louise M. Burke et al. Sleep Medicine Reviews profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Gregory D. Roach Australia	45	4.0k	1.8k	1.2k	980	725	157	5.8k
Charli Sargent Australia	41	2.9k 0.7×	1.6k 0.9×	405 0.4×	989 1.0×	523 0.7×	139	4.9k
James A. Horne United Kingdom	39	5.3k 1.3×	3.2k 1.8×	1.4k 1.2×	734 0.7×	985 1.4×	79	7.2k
Sally A. Ferguson Australia	40	3.0k 0.7×	948 0.5×	872 0.8×	673 0.7×	886 1.2×	211	4.5k
Mounir Chennaoui France	36	1.9k 0.5×	1.4k 0.8×	214 0.2×	1.2k 1.3×	720 1.0×	134	4.3k
Ben Edwards United Kingdom	36	1.4k 0.3×	862 0.5×	269 0.2×	1.5k 1.5×	1.2k 1.6×	100	4.6k
Shona L. Halson Australia	53	3.0k 0.7×	2.1k 1.2×	573 0.5×	2.8k 2.8×	328 0.5×	209	11.0k
Göran Kecklund Sweden	58	7.3k 1.8×	1.9k 1.1×	2.9k 2.5×	685 0.7×	1.2k 1.6×	209	10.2k
John Axelsson Sweden	45	3.6k 0.9×	1.8k 1.0×	962 0.8×	807 0.8×	1.1k 1.5×	153	6.6k
Pierre Philip France	54	6.2k 1.5×	3.4k 1.9×	1.4k 1.2×	1.8k 1.9×	2.2k 3.0×	265	9.5k
Hans P. A. Van Dongen United States	55	8.9k 2.2×	5.1k 2.8×	2.2k 1.9×	1.5k 1.5×	2.9k 4.1×	179	12.3k

Countries citing papers authored by Gregory D. Roach

Since Specialization

Citations

This map shows the geographic impact of Gregory D. Roach's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Gregory D. Roach with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Gregory D. Roach more than expected).

Fields of papers citing papers by Gregory D. Roach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gregory D. Roach. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Gregory D. Roach. The network helps show where Gregory D. Roach may publish in the future.

Co-authorship network of co-authors of Gregory D. Roach

This figure shows the co-authorship network connecting the top 25 collaborators of Gregory D. Roach. A scholar is included among the top collaborators of Gregory D. Roach based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Gregory D. Roach. Gregory D. Roach is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Morrison, Matthew, Jonathon Weakley, Gregory D. Roach, et al.. (2025). Quantifying the effect of afternoon moderate-intensity exercise on sleep quality and quantity in healthy adult males using polysomnography. Journal of science and medicine in sport. 28(9). 740–747.

Roach, Gregory D., et al.. (2025). Validation of a Neurophysiological-Based Wearable Device (Somfit) for the Assessment of Sleep in Athletes. Sensors. 25(7). 2123–2123.

Sargent, Charli, et al.. (2024). The Night-Time Sleep and Autonomic Activity of Male and Female Professional Road Cyclists Competing in the Tour de France and Tour de France Femmes. Sports Medicine - Open. 10(1). 39–39. 1 indexed citations

Weakley, Jonathon, Louise M. Burke, Gregory D. Roach, et al.. (2024). The effect of alcohol on subsequent sleep in healthy adults: A systematic review and meta-analysis. Sleep Medicine Reviews. 80. 102030–102030. 11 indexed citations

Saner, Nicholas J., Matthew J-C Lee, Nathan W. Pitchford, et al.. (2023). The effect of sleep restriction, with or without high‐intensity interval exercise, on behavioural alertness and mood state in young healthy males. Journal of Sleep Research. 33(2). e13987–e13987. 1 indexed citations

Miller, Dean J., Gregory D. Roach, Michele Lastella, Emily R. Capodilupo, & Charli Sargent. (2023). Hit the gym or hit the hay: can evening exercise characteristics predict compromised sleep in healthy adults?. Frontiers in Physiology. 14. 1231835–1231835. 1 indexed citations

Sprajcer, Madeline, Drew Dawson∥, Anastasi Kosmadopoulos, et al.. (2023). How Tired is Too Tired to Drive? A Systematic Review Assessing the Use of Prior Sleep Duration to Detect Driving Impairment. Nature and Science of Sleep. Volume 15. 175–206. 10 indexed citations

Sargent, Charli, Anastasi Kosmadopoulos, Xuan Zhou, & Gregory D. Roach. (2022). Timing of Sleep in the Break Between Two Consecutive Night-Shifts: The Effect of Different Strategies on Daytime Sleep and Night-Time Neurobehavioural Function. SHILAP Revista de lepidopterología. 4 indexed citations

Sprajcer, Madeline, Charlotte Gupta, Gregory D. Roach, & Charli Sargent. (2022). Can we put the first night effect to bed? An analysis based on a large sample of healthy adults. Chronobiology International. 39(12). 1567–1573. 8 indexed citations

10.

Miller, Dean J., et al.. (2020). Analyzing changes in respiratory rate to predict the risk of COVID-19 infection. PLoS ONE. 15(12). e0243693–e0243693. 102 indexed citations

11.

Lastella, Michele, Gregory D. Roach, Shona L. Halson, et al.. (2015). The impact of a simulated grand tour on sleep, mood, and well-being of competitive cyclists.. PubMed. 55(12). 1555–64. 29 indexed citations

12.

Wachsmuth, Nadine, Hilde Spielvogel, Robert J. Aughey, et al.. (2013). Changes in blood gas transport of altitude native soccer players near sea-level and sea-level native soccer players at altitude (ISA3600). British Journal of Sports Medicine. 47(Suppl 1). i93–i99. 35 indexed citations

13.

Matthews, Raymond W., Sally A. Ferguson, Xuan Zhou, et al.. (2012). Time-of-Day Mediates the Influences of Extended Wake and Sleep Restriction on Simulated Driving. Chronobiology International. 29(5). 572–579. 27 indexed citations

14.

Paech, Gemma M., Sally A. Ferguson, Charli Sargent, et al.. (2011). New Investigator Presentations. Journal of Sleep Research. 20(s1). 14–16. 1 indexed citations

15.

Darwent, David, Xuan Zhou, Cameron J. van den Heuvel, Charli Sargent, & Gregory D. Roach. (2011). The Validity of Temperature-Sensitive Ingestible Capsules for Measuring Core Body Temperature in Laboratory Protocols. Chronobiology International. 28(8). 719–726. 23 indexed citations

16.

Lastella, Michele, et al.. (2011). The effect of training load on sleep quality and sleep perception in elite male cyclists. Acquire (CQUniversity). 4 indexed citations

17.

Darwent, David, Drew Dawson∥, & Gregory D. Roach. (2011). A model of shiftworker sleep/wake behaviour. Accident Analysis & Prevention. 45. 6–10. 13 indexed citations

18.

Matthews, Raymond W., Sally A. Ferguson, Xuan Zhou, et al.. (2010). The interactive influence of the internal body clock and prior wake on task vigilance. Acquire (CQUniversity). 2 indexed citations

19.

Baker, A. A., Gregory D. Roach, Sally A. Ferguson, & Drew Dawson∥. (2003). Shiftwork experience and the value of time. Ergonomics. 47(3). 307–317. 14 indexed citations

20.

Roach, Gregory D., et al.. (1999). A comparison of South Australia's driver licensing methods: competency-based training vs. practical examination. Transportation Research Part F Traffic Psychology and Behaviour. 2(2). 69–80. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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