Class information for:
Level 2: INSOMNIA//SLEEP//SLEEP DURATION

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
315 17600 38.9 65%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
80 79448 MELATONIN//SLEEP//CIRCADIAN RHYTHMS

Classes in level below (level 1)


ID, lev. below Publications Label for level below
977 2835 INSOMNIA//PRIMARY INSOMNIA//CHRONIC INSOMNIA
1653 2471 BRIGHT LIGHT//DELAYED SLEEP PHASE SYNDROME//BIOL RHYTHMS
2153 2270 SLEEP PROBLEMS//NIGHT WAKING//ADOLESCENT SLEEP
2410 2184 SLEEPINESS//SLEEP INERTIA//SLEEP DEPRIVATION
5126 1600 SHIFT WORK//SHIFTWORK//NIGHT WORK
5857 1497 SLEEP DURATION//SHORT SLEEP//LONG SLEEP
12055 870 MORNINGNESS EVENINGNESS//CHRONOTYPE//MORNINGNESS
12261 855 HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL//EVIDENCE BASED DESIGN//HOSPITAL DESIGN
16083 607 SUNDOWNING//CIRCADIAN RHYTHM DISTURBANCE//HOME PLIANCES RD
16886 566 BALLISTOCARDIOGRAPHY BCG//ACTIGRAPHY//SEISMOCARDIOGRAPHY
17324 541 HIGH SPORT PHYS EDUC//SPORTS PERFORMANCE OPTIMIZAT//UNIT EM2S
20866 382 WOMENS MED ABORAT LIFESPAN//SLEEP MED PULM//DAVID READ
21264 366 TETRABAMATE//SLEEP CHRONOPHYSIOL//AOD ALCOHOL OR OTHER DRUG USE PATTERN
23880 277 BURN MODEL SYSTEMS//CHRONIC OSTEOARTHRITIS PAIN//CLIN MONITORING SLEEP DISORDERS
30116 142 ANIM SUBJECT PROGRAM//HUMAN ETHOL CHRONOBIOL//GMDRB
30466 137 MATTRESS//LOCAL ADSORPTION//NIR PHOTOPLETHYSMOGRAPHY

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 INSOMNIA Author keyword 1199 53% 9% 1585
2 SLEEP Author keyword 853 26% 16% 2826
3 SLEEP DURATION Author keyword 690 80% 2% 423
4 SHIFT WORK Author keyword 538 64% 3% 523
5 SHIFTWORK Author keyword 358 82% 1% 212
6 SLEEPINESS Author keyword 344 49% 3% 504
7 CHRONOTYPE Author keyword 340 76% 1% 237
8 MORNINGNESS EVENINGNESS Author keyword 327 84% 1% 180
9 ACTIGRAPHY Author keyword 321 50% 3% 457
10 SLEEP DEPRIVATION Author keyword 253 33% 4% 628

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class		 LCSH search Wikipedia search
1 INSOMNIA 1199 53% 9% 1585 Search INSOMNIA Search INSOMNIA
2 SLEEP 853 26% 16% 2826 Search SLEEP Search SLEEP
3 SLEEP DURATION 690 80% 2% 423 Search SLEEP+DURATION Search SLEEP+DURATION
4 SHIFT WORK 538 64% 3% 523 Search SHIFT+WORK Search SHIFT+WORK
5 SHIFTWORK 358 82% 1% 212 Search SHIFTWORK Search SHIFTWORK
6 SLEEPINESS 344 49% 3% 504 Search SLEEPINESS Search SLEEPINESS
7 CHRONOTYPE 340 76% 1% 237 Search CHRONOTYPE Search CHRONOTYPE
8 MORNINGNESS EVENINGNESS 327 84% 1% 180 Search MORNINGNESS+EVENINGNESS Search MORNINGNESS+EVENINGNESS
9 ACTIGRAPHY 321 50% 3% 457 Search ACTIGRAPHY Search ACTIGRAPHY
10 SLEEP DEPRIVATION 253 33% 4% 628 Search SLEEP+DEPRIVATION Search SLEEP+DEPRIVATION

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 INSOMNIA 603 40% 7% 1194
2 MORNINGNESS EVENINGNESS 432 79% 2% 280
3 ALERTNESS 407 55% 3% 513
4 BRIGHT LIGHT 324 50% 3% 473
5 NIGHT WAKING 256 86% 1% 130
6 SHIFT WORK 244 42% 3% 451
7 DAYTIME SLEEPINESS 244 27% 4% 771
8 WAKE PATTERNS 222 83% 1% 126
9 COMPOSITE SCALE 216 95% 0% 73
10 PLASMA MELATONIN 208 46% 2% 338

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 SLEEP 390 29% 7% 1163
2 CHRONOBIOLOGY INTERNATIONAL 230 30% 4% 633
3 JOURNAL OF SLEEP RESEARCH 214 36% 3% 473
4 BEHAVIORAL SLEEP MEDICINE 181 73% 1% 140
5 SLEEP MEDICINE 170 27% 3% 529
6 SLEEP MEDICINE REVIEWS 77 34% 1% 188
7 SLEEP AND BIOLOGICAL RHYTHMS 76 41% 1% 142
8 BIOLOGICAL RHYTHM RESEARCH 45 19% 1% 210
9 JOURNAL OF CLINICAL SLEEP MEDICINE 45 25% 1% 158
10 HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL 41 38% 0% 85

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
The metabolic burden of sleep loss 2015 8 96 76%
Shift work and diabetes mellitus: a meta-analysis of observational studies 2015 10 42 48%
Self-help cognitive-behavioral therapy for insomnia: A meta-analysis of randomized controlled trials 2015 5 46 83%
Sleep duration predicts cardiovascular outcomes: a systematic review and meta-analysis of prospective studies 2011 224 31 81%
A meta-analysis of group cognitive behavioral therapy for insomnia 2015 4 35 89%
Epidemiology of insomnia: what we know and what we still need to learn 2002 893 61 84%
Insomnia as a predictor of depression: A meta-analytic evaluation of longitudinal epidemiological studies 2011 200 64 72%
Functional consequences of inadequate sleep in adolescents: A systematic review 2014 17 88 95%
Measures of circadian preference in childhood and adolescence: A review 2015 3 72 94%
Insomnia with objective short sleep duration: The most biologically severe phenotype of the disorder 2013 46 117 92%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SLEEP 114 22% 2.6% 458
2 BODY RHYTHMS SHIFTWORK 110 95% 0.2% 37
3 SLEEP CHRONOBIOL 98 57% 0.7% 116
4 SLEEP MED 79 21% 1.9% 338
5 BIOL RHYTHMS 75 76% 0.3% 52
6 SLEEP DISORDERS 69 20% 1.8% 319
7 NORWEGIAN COMPETENCE SLEEP DISORDERS 59 58% 0.4% 67
8 HIGH SPORT PHYS EDUC 53 70% 0.3% 44
9 CHRONOBIOL 44 22% 1.0% 174
10 SPORTS PERFORMANCE OPTIMIZAT 37 75% 0.2% 27

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000024299 REM SLEEP//DREAMING//SLEEP
2 0.0000015779 OBSTRUCTIVE SLEEP APNEA//RESTLESS LEGS SYNDROME//SLEEP APNEA
3 0.0000014570 MELATONIN//JOURNAL OF PINEAL RESEARCH//MELATONIN RECEPTORS
4 0.0000014516 NARCOLEPSY//OREXIN//HYPOCRETIN
5 0.0000013805 SUPRACHIASMATIC NUCLEUS//CIRCADIAN RHYTHMS//CIRCADIAN CLOCK
6 0.0000009743 BENZODIAZEPINES//ZOLPIDEM//ZOPICLONE
7 0.0000009504 SEASONAL AFFECTIVE DISORDER//WINTER DEPRESSION//HEAT WAVES
8 0.0000009332 TIME & SOCIETY//NONSTANDARD WORK SCHEDULES//TIMESCAPE
9 0.0000007491 CORTISOL AWAKENING RESPONSE//SALIVARY CORTISOL//HAIR CORTISOL
10 0.0000006915 CHRONOME//HALBERG CHRONOBIOL//CHRONOBIOLOGIA