World's Best Scientists 2026 revealed!
Michael Gradisar

Michael Gradisar

D-Index & Metrics

Psychology

D-Index
60
Citations
15585
World Ranking
3512
National Ranking
181

Michael Gradisar publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Michael Gradisar sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 196 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Michael Gradisar D-index placement in Psychology in 2026

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

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 60 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

Michael Gradisar is affiliated with Flinders University in Australia and focuses primarily on research within the fields of psychology and neuroscience. Their work extensively addresses experimental and cognitive psychology as well as cognitive neuroscience, with several contributions to clinical psychology and education.

The scientist's research predominantly investigates sleep and related disorders, with substantial emphasis on sleep and wakefulness research. Other key topics include circadian rhythm and melatonin, neuroscience of respiration and sleep, the impact of technology on adolescents, infant health and development, and aspects related to obesity, physical activity, and diet.

Michael Gradisar's frequent publication venues demonstrate a consistent presence in sleep science and child psychology literature. Their work appears regularly in journals such as Sleep Medicine, Journal of Sleep Research, SLEEP, SLEEP Advances, and the Journal of Child Psychology and Psychiatry.

Among notable recent papers authored or coauthored by Michael Gradisar are:

  • Sleep's role in the development and resolution of adolescent depression, 2022, Nature Reviews Psychology
  • Self-reported sleep patterns and quality amongst adolescents: cross-sectional and prospective associations with anxiety and depression, 2020, Journal of Child Psychology and Psychiatry
  • A bidirectional model of sleep and technology use: A theoretical review of How much, for whom, and which mechanisms, 2024, Sleep Medicine Reviews
  • Sleep, screen time and behaviour problems in preschool children: an actigraphy study, 2020, European Child & Adolescent Psychiatry
  • Sleep Characteristics and Mood of Professional Esports Athletes: A Multi-National Study, 2021, International Journal of Environmental Research and Public Health

Collaborations have been an important aspect of their research career. Frequent coauthors include Michal Kahn, Serena Bauducco, Cele Richardson, Ståle Pallesen, and Natalie Barnett.

Best Publications

  • Electronic media use and sleep in school-aged children and adolescents: A review

    Neralie Louisa Cain;Michael Shane Gradisar

  • Recent worldwide sleep patterns and problems during adolescence: a review and meta-analysis of age, region, and sleep.

    Michael Gradisar;Gregory Gardner;Hayley Dohnt

  • Protective and risk factors for adolescent sleep: A meta-analytic review

    Kate A. Bartel;Michael Gradisar;Paul Williamson

  • A meta-analysis and model of the relationship between sleep and depression in adolescents: recommendations for future research and clinical practice.

    Nicole Lovato;Michael Gradisar

  • The Sleep and Technology Use of Americans: Findings from the National Sleep Foundation's 2011 Sleep in America Poll

    Michael Gradisar;Amy R Wolfson;Allison G Harvey;Lauren Hale

  • Toward a consensus definition of pathological video-gaming: a systematic review of psychometric assessment tools.

    Daniel L. King;Maria C. Haagsma;Paul H. Delfabbro;Michael Gradisar

  • Assessing clinical trials of Internet addiction treatment: A systematic review and CONSORT evaluation

    Daniel L. King;Paul H. Delfabbro;Mark D. Griffiths;Michael Gradisar

  • The impact of sleep on adolescent depressed mood, alertness and academic performance

    Michelle A. Short;Michael Gradisar;Leon C. Lack;Helen R. Wright

  • The relationship between insomnia and body temperatures.

    Leon C. Lack;Michael Gradisar;Eus J.W. Van Someren;Eus J.W. Van Someren;Helen R. Wright

  • Time for bed: parent-set bedtimes associated with improved sleep and daytime functioning in adolescents.

    Michelle A. Short;Michael Gradisar;Helen Wright;Leon C. Lack

  • A Randomized Controlled Trial of Cognitive-Behavior Therapy Plus Bright Light Therapy for Adolescent Delayed Sleep Phase Disorder

    Michael Gradisar;Hayley Dohnt;Gregory Gardner;Sarah Paine

  • The discrepancy between actigraphic and sleep diary measures of sleep in adolescents.

    Michelle A. Short;Michelle A. Short;Michael Gradisar;Leon C. Lack;Helen Wright

  • Youth Screen Media Habits and Sleep: Sleep-Friendly Screen Behavior Recommendations for Clinicians, Educators, and Parents

    Lauren Hale;Gregory W. Kirschen;Monique K. LeBourgeois;Michael Gradisar

  • Evaluation of a School-Based Intervention for Adolescent Sleep Problems

    Lynette Moseley;Michael Gradisar

  • The impact of prolonged violent video-gaming on adolescent sleep: an experimental study.

    Daniel L. King;Daniel L. King;Michael Gradisar;Aaron Drummond;Nicole Lovato

  • A motivational school-based intervention for adolescent sleep problems.

    Neralie Cain;Michael Gradisar;Lynette Moseley

  • Withdrawal symptoms in internet gaming disorder: A systematic review.

    Dean Kaptsis;Daniel L. King;Paul H. Delfabbro;Michael Gradisar

  • The Effect of Presleep Video-Game Playing on Adolescent Sleep

    Edward Weaver;Michael Gradisar;Hayley Dohnt;Nicole Lovato

  • Cognitive-behavioral approaches to outpatient treatment of internet addiction in children and adolescents.

    Daniel L. King;Paul H. Delfabbro;Mark D. Griffiths;Michael Gradisar

  • Estimating adolescent sleep patterns: parent reports versus adolescent self-report surveys, sleep diaries, and actigraphy

    Michelle A Short;Michael Shane Gradisar;Leon Colburn Lack;Helen Ruth Wright

Frequent Co-Authors

Leon Lack
Leon Lack Flinders University
Michelle A. Short
Michelle A. Short Flinders University
Nicole Lovato
Nicole Lovato Flinders University
Daniel King
Daniel King Flinders University
Sally A. Ferguson
Sally A. Ferguson Central Queensland University
Helen J. Burgess
Helen J. Burgess University of Michigan–Ann Arbor
Paul Delfabbro
Paul Delfabbro University of Adelaide
Anu-Katriina Pesonen
Anu-Katriina Pesonen University of Helsinki
Frans J. Oort
Frans J. Oort University of Amsterdam
Mary A. Carskadon
Mary A. Carskadon Brown University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing psychology as an online degree continues to grow in popularity, offering students flexibility and access to diverse career opportunities. Many universities now provide accelerated options for those looking to enter the workforce faster. If you want to complete your studies more quickly, you may want to explore the fastest online psychology degree programs in Washington or the fastest online psychology degrees in Wisconsin, both of which offer fast-tracked learning experiences tailored for motivated students.

Cost is also a crucial factor when choosing where to study. For those on a budget, looking into the affordable online psychology bachelor's degrees in Colorado, or the cheapest online psychology bachelor's in Florida can be a smart first step. These programs help minimize student debt and broaden access to education.

With an online psychology degree, career pathways are varied and can include roles in counseling, human services, research, education, and business. No matter which route you choose, exploring different programs ensures your degree fits your ambitions and resources.

Best Scientists Citing Michael Gradisar

Trending Scientists

Recently Published Articles