Class information for:
Level 2: INSOMNIA//SLEEP//SHIFT WORK

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
5 4 NEUROSCIENCES//CLINICAL NEUROLOGY//PSYCHOLOGY, EXPERIMENTAL 1830502
134 3       MELATONIN//SLEEP//JOURNAL OF PINEAL RESEARCH 67403
237 2             INSOMNIA//SLEEP//SHIFT WORK 19964
772 1                   INSOMNIA//PRIMARY INSOMNIA//CHRONIC INSOMNIA 3115
1192 1                   SLEEP PROBLEMS//SLEEP//NIGHT WAKING 2818
3724 1                   SLEEP DURATION//SLEEP//SHORT SLEEP 1955
4793 1                   SHIFT WORK//NIGHT WORK//WORK SCHEDULE 1751
6100 1                   SLEEP DEPRIVATION//SLEEP INERTIA//SLEEPINESS 1558
6889 1                   BRIGHT LIGHT//JET LAG//DELAYED SLEEP PHASE SYNDROME 1458
8109 1                   ACTIGRAPHY//SUNDOWNING//SLEEP 1315
8568 1                   DRIVER FATIGUE//DROWSY DRIVING//DRIVER SLEEPINESS 1271
8593 1                   SEASONAL AFFECTIVE DISORDER//LIGHT THERAPY//WINTER DEPRESSION 1269
9398 1                   MELANOPSIN//IPRGC//INTRINSICALLY PHOTOSENSITIVE RETINAL GANGLION CELLS 1191
12350 1                   CHRONOTYPE//MORNINGNESS EVENINGNESS//MORNINGNESS 943
16508 1                   HIGH SPORT PHYS EDUC//SPORTS PERFORMANCE OPTIMIZAT//UNIT EM2S 677
26633 1                   UPPER RESPIRATORY TRACT ILLNESS//CIRCADIAN DYSCHRONISM//LETTER CANCELLATION 269
30210 1                   FORCED NOSTRIL BREATHING//NOSTRIL DOMINANCE//BASIC REST ACTIVITY CYCLE 188
34685 1                   DAYLIGHT SAVING TIME//DAYLIGHT SAVINGS TIME//KGBCC 122
38321 1                   HABITUAL SLEEP DURATION//JEPI//COGNITIVE BOUNDARIES 64

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INSOMNIA authKW 1396370 9% 50% 1776
2 SLEEP authKW 1183157 15% 25% 3062
3 SHIFT WORK authKW 950255 4% 71% 851
4 SLEEP DURATION authKW 768353 3% 79% 619
5 CHRONOTYPE authKW 482922 2% 82% 375
6 SLEEPINESS authKW 418372 3% 49% 546
7 CHRONOBIOLOGY INTERNATIONAL journal 410132 4% 33% 781
8 ACTIGRAPHY authKW 395532 3% 43% 582
9 SEASONAL AFFECTIVE DISORDER authKW 394243 2% 74% 337
10 SLEEP DEPRIVATION authKW 369460 3% 34% 698

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Clinical Neurology 56136 24% 1% 4776
2 Psychiatry 32956 15% 1% 3084
3 Ergonomics 26047 3% 3% 694
4 Neurosciences 25544 22% 0% 4486
5 Physiology 12665 9% 1% 1890
6 Biology 10248 7% 1% 1403
7 Public, Environmental & Occupational Health 8460 10% 0% 1940
8 Psychology 7224 5% 1% 924
9 Psychology, Applied 6627 3% 1% 617
10 Psychology, Developmental 6246 3% 1% 679

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SLEEP 146214 2% 20% 478
2 SLEEP MED 146068 2% 21% 448
3 SLEEP CHRONOBIOL 115600 1% 54% 136
4 CHRONOBIOL 94311 1% 26% 228
5 SLEEP DISORDERS 86101 2% 17% 326
6 NORWEGIAN COMPETENCE SLEEP DISORDERS 85264 0% 59% 91
7 BIOL RHYTHMS 82774 0% 82% 64
8 BODY RHYTHMS SHIFTWORK 58377 0% 97% 38
9 SLEEP PERFORMANCE 52006 0% 49% 68
10 SLEEP MOOD DISORDERS 45724 0% 100% 29

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SLEEP 556912 6% 28% 1267
2 CHRONOBIOLOGY INTERNATIONAL 410132 4% 33% 781
3 JOURNAL OF SLEEP RESEARCH 304354 3% 36% 536
4 SLEEP MEDICINE 282033 3% 27% 657
5 BEHAVIORAL SLEEP MEDICINE 197547 1% 68% 185
6 SLEEP AND BIOLOGICAL RHYTHMS 123406 1% 42% 187
7 SLEEP MEDICINE REVIEWS 110097 1% 32% 219
8 JOURNAL OF CLINICAL SLEEP MEDICINE 92791 1% 22% 265
9 BIOLOGICAL RHYTHM RESEARCH 67383 1% 19% 230
10 JOURNAL OF BIOLOGICAL RHYTHMS 59436 1% 18% 215

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 INSOMNIA 1396370 9% 50% 1776 Search INSOMNIA Search INSOMNIA
2 SLEEP 1183157 15% 25% 3062 Search SLEEP Search SLEEP
3 SHIFT WORK 950255 4% 71% 851 Search SHIFT+WORK Search SHIFT+WORK
4 SLEEP DURATION 768353 3% 79% 619 Search SLEEP+DURATION Search SLEEP+DURATION
5 CHRONOTYPE 482922 2% 82% 375 Search CHRONOTYPE Search CHRONOTYPE
6 SLEEPINESS 418372 3% 49% 546 Search SLEEPINESS Search SLEEPINESS
7 ACTIGRAPHY 395532 3% 43% 582 Search ACTIGRAPHY Search ACTIGRAPHY
8 SEASONAL AFFECTIVE DISORDER 394243 2% 74% 337 Search SEASONAL+AFFECTIVE+DISORDER Search SEASONAL+AFFECTIVE+DISORDER
9 SLEEP DEPRIVATION 369460 3% 34% 698 Search SLEEP+DEPRIVATION Search SLEEP+DEPRIVATION
10 MORNINGNESS EVENINGNESS 309315 1% 90% 217 Search MORNINGNESS+EVENINGNESS Search MORNINGNESS+EVENINGNESS

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 2



rank cluster_id2 link
1 715 REM SLEEP//SLEEP//DREAMING
2 1008 SUPRACHIASMATIC NUCLEUS//CLOCK GENES//CIRCADIAN RHYTHM
3 231 OBSTRUCTIVE SLEEP APNEA//SLEEP APNEA//RESTLESS LEGS SYNDROME
4 534 MELATONIN//JOURNAL OF PINEAL RESEARCH//PINEAL GLAND
5 2026 NARCOLEPSY//OREXIN//HYPOCRETIN
6 645 BENZODIAZEPINES//GABAA RECEPTOR//ZOLPIDEM
7 3711 INFANTILE COLIC//INFANT CRYING//CRYING
8 899 BURNOUT//SICKNESS ABSENCE//SICK LEAVE
9 3310 PUPILLOMETRY//PUPIL//HORNERS SYNDROME
10 2934 CHRONIC FATIGUE SYNDROME//MYALGIC ENCEPHALOMYELITIS//CHRONIC FATIGUE

Go to start page