World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
92
Citations
34498
World Ranking
11222
National Ranking
1069

Colin A. Espie publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Colin A. Espie sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 484 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Colin A. Espie D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Colin A. Espie sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 92 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Colin A. Espie is affiliated with the University of Oxford in the United Kingdom. Their research primarily focuses on sleep and related disorders, with extensive contributions to the understanding of insomnia, sleep-wakefulness patterns, and the psychological and neurological aspects of sleep.

Their main fields of study include:

  • Psychology
  • Neuroscience

Within these fields, key subfields of study include:

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Endocrine and Autonomic Systems
  • Clinical Psychology
  • Psychiatry and Mental Health

Research topics that Colin A. Espie has covered span a variety of areas such as:

  • Sleep and related disorders
  • Sleep and Wakefulness Research
  • Circadian rhythm and melatonin
  • COVID-19 and Mental Health
  • Long-Term Effects of COVID-19
  • Mental Health Research Topics
  • Digital Mental Health Interventions

They have published multiple papers, including the following recent works:

  • Dealing with sleep problems during home confinement due to the COVID-19 outbreak: Practical recommendations from a task force of the European CBT-I Academy (2020), Journal of Sleep Research
  • The European Insomnia Guideline: An update on the diagnosis and treatment of insomnia 2023 (2023), Journal of Sleep Research
  • Insomnia, anxiety, and depression during the COVID-19 pandemic: an international collaborative study (2021), Sleep Medicine
  • Insomnia disorder: State of the science and challenges for the future (2022), Journal of Sleep Research
  • Cognitive behavioral therapy for insomnia in patients with chronic pain - A systematic review and meta-analysis of randomized controlled trials (2021), Sleep Medicine Reviews

Colin A. Espie collaborates frequently with several researchers, including:

  • Simon D. Kyle
  • Yun Kwok Wing
  • Brigitte Holzinger
  • Bjørn Bjorvatn
  • Charles M. Morin

Their work has been published predominantly in the following venues:

  • Journal of Sleep Research
  • SLEEP
  • Sleep Medicine
  • BMJ Open
  • bioRxiv (Cold Spring Harbor Laboratory)

Colin A. Espie has also contributed to book publications, including:

  • The Clinician's Guide to Cognitive and Behavioural Therapeutics (CBTx) for Insomnia (2024), published by Cambridge University Press

Best Publications

  • European guideline for the diagnosis and treatment of insomnia

    Dieter Riemann;Chiara Baglioni;Claudio Bassetti;Bjørn Bjorvatn

  • Psychological and behavioral treatment of insomnia:update of the recent evidence (1998-2004).

    Charles M. Morin;Richard R. Bootzin;Daniel J. Buysse;Jack D. Edinger

  • Nonpharmacologic Treatment of Chronic Insomnia

    Charles M. Morin;Peter J. Hauri;Colin A. Espie;Arthur J. Spielman

  • Derivation of Research Diagnostic Criteria for Insomnia: Report of an American Academy of Sleep Medicine Work Group

    Jack D. Edinger;Michael H. Bonnet;Richard R. Bootzin;Karl Doghramji

  • Insomnia: A Clinical Guide to Assessment and Treatment

    Charles M. Morin;Colin A. Espie

  • British Association for Psychopharmacology consensus statement on evidence-based treatment of insomnia, parasomnias and circadian rhythm disorders.

    S. J. Wilson;D. J. Nutt;C. Alford;S. V. Argyropoulos

  • The effects of improving sleep on mental health (OASIS): a randomised controlled trial with mediation analysis

    Daniel Freeman;Daniel Freeman;Bryony Sheaves;Bryony Sheaves;Guy M Goodwin;Guy M Goodwin;Ly-Mee Yu

  • A randomized, placebo-controlled trial of online cognitive behavioral therapy for chronic insomnia disorder delivered via an automated media-rich web application.

    Colin A. Espie;Simon D. Kyle;Chris Williams;Jason C. Ong

  • The Natural History of Insomnia : A Population-Based 3-Year Longitudinal Study

    Charles M. Morin;Lynda Bélanger;Mélanie LeBlanc;Hans Ivers

  • Insomnia and health-related quality of life.

    Simon D. Kyle;Kevin Morgan;Colin A. Espie

  • The attention-intention-effort pathway in the development of psychophysiologic insomnia: a theoretical review.

    Colin A. Espie;Niall M. Broomfield;Kenneth M.A. MacMahon;Lauren M. Macphee

  • The Sleep Condition Indicator: a clinical screening tool to evaluate insomnia disorder

    Colin A Espie;Simon D Kyle;Peter Hames;Maria Gardani

  • "Stepped care": a health technology solution for delivering cognitive behavioral therapy as a first line insomnia treatment.

    Colin A. Espie

  • Effect of digital cognitive behavioral therapy for insomnia on health, psychological well-being, and sleep-related quality of life: a randomized clinical trial

    Colin A. Espie;Richard Emsley;Simon D. Kyle;Christopher Gordon

  • Randomized Controlled Clinical Effectiveness Trial of Cognitive Behavior Therapy Compared With Treatment As Usual for Persistent Insomnia in Patients With Cancer

    Colin A. Espie;Leanne Fleming;James Cassidy;Leslie Samuel

  • The clinical effectiveness of cognitive behaviour therapy for chronic insomnia: implementation and evaluation of a sleep clinic in general medical practice

    Colin A Espie;Stephanie J Inglis;Susan Tessier;Linda Harvey

  • Randomized clinical effectiveness trial of nurse-administered small-group cognitive behavior therapy for persistent insomnia in general practice.

    Colin A Espie;Kenneth M A MacMahon;Heidi-Louise Kelly;Niall M Broomfield

  • Development and psychometric properties of the Glasgow Depression Scale for people with a Learning Disability. Individual and carer supplement versions.

    Fiona M Cuthill;Colin A Espie;Sally-Anne Cooper

  • Glasgow Anxiety Scale for people with an Intellectual Disability (GAS-ID): development and psychometric properties of a new measure for use with people with mild intellectual disability.

    J Mindham;C A Espie

  • Insomnia, anxiety, and depression during the COVID-19 pandemic: an international collaborative study.

    Charles M. Morin;Bjørn Bjorvatn;Frances Chung;Brigitte Holzinger

Frequent Co-Authors

Simon D. Kyle
Simon D. Kyle University of Oxford
Charles M. Morin
Charles M. Morin Université Laval
Stephany M. Biello
Stephany M. Biello University of Glasgow
Ronald R. Grunstein
Ronald R. Grunstein Woolcock Institute of Medical Research
Dieter Riemann
Dieter Riemann University of Freiburg
Delwyn J. Bartlett
Delwyn J. Bartlett University of Sydney
Daniel Freeman
Daniel Freeman University of Oxford
Richard Emsley
Richard Emsley King's College London
Russell G. Foster
Russell G. Foster University of Oxford
Bjørn Bjorvatn
Bjørn Bjorvatn University of Bergen

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