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Psychology

D-Index
62
Citations
11534
World Ranking
3272
National Ranking
168

Leon Lack 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 Leon Lack 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: 214 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Leon Lack 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 Leon Lack 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: 62 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Overview

Leon Lack is affiliated with Flinders University in Australia and has a substantial body of work primarily focused on sleep-related research within the fields of psychology and neuroscience. Their research spans experimental and cognitive psychology as well as cognitive neuroscience, with additional work relating to endocrine and autonomic systems, physiology, and speech and hearing.

The main topics covered by their research include:

  • Sleep and related disorders
  • Sleep and Wakefulness Research
  • Circadian rhythm and melatonin
  • Sleep and Work-Related Fatigue
  • Obstructive Sleep Apnea Research
  • Noise Effects and Management
  • Youth Substance Use and School Attendance

Leon Lack has published extensively in a range of sleep research journals and venues, including:

  • SLEEP Advances (35 publications)
  • SLEEP (16 publications)
  • Journal of Sleep Research (10 publications)
  • Sleep Medicine (10 publications)
  • Journal of Clinical Sleep Medicine (6 publications)

Recent papers by Leon Lack include:

  • Bi-directional relationships between co-morbid insomnia and sleep apnea (COMISA), 2021, Sleep Medicine Reviews
  • Comorbid insomnia and sleep apnoea is associated with all-cause mortality, 2021, European Respiratory Journal
  • Economic evaluation of cognitive behavioural therapy for insomnia (CBT-I) for improving health outcomes in adult populations: A systematic review, 2020, Sleep Medicine Reviews
  • The effect of cognitive behavioural therapy for insomnia on sedative-hypnotic use: A narrative review, 2020, Sleep Medicine Reviews
  • Cognitive behavioural therapy for insomnia reduces sleep apnoea severity: a randomised controlled trial, 2020, ERJ Open Research

Collaborations are a notable aspect of their research career. Frequent co-authors include:

  • Nicole Lovato
  • Hannah Scott
  • Alexander Sweetman
  • Peter Catcheside
  • Andrew Vakulin

Best Publications

  • A brief afternoon nap following nocturnal sleep restriction: which nap duration is most recuperative?

    Amber Brooks;Leon Colburn Lack

  • 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

  • Effect of light wavelength on suppression and phase delay of the melatonin rhythm.

    Helen R. Wright;Leon C. Lack

  • 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

  • The effects of napping on cognitive functioning

    Nicole Lovato;Leon Colburn Lack

  • Differential effects of light wavelength in phase advancing the melatonin rhythm

    Helen Ruth Wright;Leon Colburn Lack;David J Kennaway

  • The short-term benefits of brief and long naps following nocturnal sleep restriction.

    Amber J. Tietzel;Leon C. Lack

  • Public health implications of sleep loss: the community burden.

    David R Hillman;Leon C Lack

  • The effect of evening bright light in delaying the circadian rhythms and lengthening the sleep of early morning awakening insomniacs.

    Leon Lack;Helen Wright

  • Delayed Sleep and Sleep Loss in University Students.

    Leon C. Lack

  • Co-Morbid Insomnia and Sleep Apnea (COMISA): Prevalence, Consequences, Methodological Considerations, and Recent Randomized Controlled Trials.

    Alexander Sweetman;Leon Lack;Célyne Bastien

  • Chronotype differences in circadian rhythms of temperature, melatonin, and sleepiness as measured in a modified constant routine protocol.

    Leon Colburn Lack;Michelle E Bailey;Nicole Lovato;Helen Ruth Wright

  • 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

  • Examining maladaptive beliefs about sleep across insomnia patient groups.

    Colleen E. Carney;Jack D. Edinger;Charles M. Morin;Rachel Manber

  • The Flinders Fatigue Scale: Preliminary psychometric properties and clinical sensitivity of a new scale for measuring daytime fatigue associated with insomnia.

    Michael Gradisar;Leon Lack;Leon Lack;Hayley Richards;Hayley Richards;Jodie Harris;Jodie Harris

  • Developing a successful treatment for co-morbid insomnia and sleep apnoea.

    Alexander M. Sweetman;Leon C. Lack;Peter G. Catcheside;Peter G. Catcheside;Nick A. Antic;Nick A. Antic

  • The recuperative value of brief and ultra-brief naps on alertness and cognitive performance.

    Amber J. Tietzel;Leon C. Lack

  • Low levels of alcohol impair driving simulator performance and reduce perception of crash risk in partially sleep deprived subjects

    Siobhan Banks;Peter Catcheside;Leon Lack;Leon Lack;Ron R. Grunstein

  • The treatment of early-morning awakening insomnia with 2 evenings of bright light.

    Leon Colburn Lack;Helen Ruth Wright;Kristyn Leah Kemp;Samantha Gibbon

  • Selective attention and the control of binocular rivalry

    Leon Colburn Lack

  • Sleep-onset insomniacs have delayed temperature rhythms.

    Mary Morris;Leon Lack;Drew Dawson

  • Insomniacs' perception of wake instead of sleep.

    Jeremy D Mercer;Jeremy D Mercer;Richard R Bootzin;Leon C Lack;Leon C Lack

Frequent Co-Authors

Nicole Lovato
Nicole Lovato Flinders University
Michael Gradisar
Michael Gradisar Flinders University
Sally A. Ferguson
Sally A. Ferguson Central Queensland University
Ronald R. Grunstein
Ronald R. Grunstein Woolcock Institute of Medical Research
Robert J. Adams
Robert J. Adams Flinders University
Helen J. Burgess
Helen J. Burgess University of Michigan–Ann Arbor
Delwyn J. Bartlett
Delwyn J. Bartlett University of Sydney
Michelle A. Short
Michelle A. Short Flinders University
Steven W. Lockley
Steven W. Lockley University of Surrey
Drew Dawson
Drew Dawson Central Queensland University

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