Epidemiology of insomnia: what we know and what we still need to learnMaurice M Ohayon
Sleep Disorders Center, Stanford University School of Medicine, Stanford, CA 94305, USA
Sleep Med Rev 6:97-111. 2002
..Future epidemiological studies should focus on the natural evolution of insomnia. Epidemiological genetic links of insomnia are yet to be studied...
Correlates of global sleep dissatisfaction in the German populationM M Ohayon
Stanford Sleep Epidemiology Reseach Center, School of Medicine, Stanford University, California 94305, USA
Sleep 24:780-7. 2001
..This study aims to examine the links between GSD and insomnia and to find the factors contributing to GSD...
What are the contributing factors for insomnia in the general population?M M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, Suite 3301, 401 Quarry Road, Stanford, CA 94305, USA
J Psychosom Res 51:745-55. 2001
..Classifications should be amended to improve the correct identification of insomnia. Sleep-deprived subjects should also not be neglected...
Comparability of sleep disorders diagnoses using DSM-IV and ICSD classifications with adolescentsM M Ohayon
Stanford University School of Medicine, Stanford Sleep Epidemiology Research Center, California 94305, USA
Sleep 24:920-5. 2001
..The use of diagnostic classifications to define sleep disorders is still unusual in epidemiological studies assessing the prevalence of sleep disorders in an adolescent population...
Daytime sleepiness and cognitive impairment in the elderly populationMaurice M Ohayon
Sleep Disorders Center, Stanford University School of Medicine, 401 Quarry Rd, Suite 3301, Stanford, CA 94305, USA
Arch Intern Med 162:201-8. 2002
..Recent findings suggest that there may be a relationship between excessive daytime sleepiness (EDS) and cognitive deficits. This study aims to determine to what extent EDS is predictive of cognitive impairment in an elderly population...
Prevalence of narcolepsy symptomatology and diagnosis in the European general populationM M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, CA 94305, USA
Neurology 58:1826-33. 2002
..To determine the prevalence of narcolepsy in the general population of five European countries (target population 205,890,882 inhabitants)...
Prevalence of restless legs syndrome and periodic limb movement disorder in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 401 Quarry Road Suite 3301, Stanford, CA 94305, USA
J Psychosom Res 53:547-54. 2002
..However, the prevalence of these disorders is not well known in the general population. This study aims to document the prevalence of RLS and PLMD in the general population and to identify factors associated with these conditions...
Prevalence of insomnia and associated factors in South KoreaMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Suite 3301, 401 Quarry Road, Stanford, CA 4305, USA
J Psychosom Res 53:593-600. 2002
..However, little information exists on insomnia in Asian countries. This study investigates the prevalence and correlates of insomnia in the general population of South Korea...
Use of psychotropic medication in the general population of France, Germany, Italy, and the United KingdomMaurice M Ohayon
Stanford University School of Medicine, Calif 94305, USA
J Clin Psychiatry 63:817-25. 2002
..The use of psychotropic medications and its association with sleep and psychiatric and physical illnesses were studied in the general population...
[A connection between insomnia and psychiatric disorders in the French general population]M M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, California, USA
Encephale 28:420-8. 2002
..This designates physicians as the first-line resource in the treatment and the prevention of sleep disorders...
Prevalence of hallucinations and their pathological associations in the general populationM M Ohayon
Sleep Disorders Center, Stanford University, School of Medicine, 401Quarry Road, Suite 3301, Stanford CA 94305, USA
Psychiatry Res 97:153-64. 2000
..Daytime visual and auditory hallucinations are associated with a greater risk of psychiatric disorders. The other daytime sensory hallucinations are more related to an organic or a toxic disorder...
Risk factors for sleep bruxism in the general populationM M Ohayon
Stanford University School of Medicine, Sleep Disorders Center, Stanford, CA 94305, USA
Chest 119:53-61. 2001
..It may also be associated with a number of disorders. However, little is known about the epidemiology of sleep bruxism and its risk factors in the general population...
Prevalence and pathologic associations of sleep paralysis in the general populationM M Ohayon
Philippe Pinel Research Centre of Montreal, Canada
Neurology 52:1194-200. 1999
..Previous epidemiologic data on sleep paralysis (SP) came from small specific samples. The true prevalence and associated factors of SP in the general population remain unknown...
Night terrors, sleepwalking, and confusional arousals in the general population: their frequency and relationship to other sleep and mental disordersM M Ohayon
Centre de Recherche Philippe Pinel de Montreal, Quebec, Canada
J Clin Psychiatry 60:268-76; quiz 277. 1999
..Clinical studies of parasomnias, however, show that these disorders may be indicators of underlying mental disorders and may have serious consequences...
Validation of the sleep-EVAL system against clinical assessments of sleep disorders and polysomnographic dataM M Ohayon
Philippe Pinel Research Center of Montreal, Quebec, Canada
Sleep 22:925-30. 1999
..To validate the Sleep-EVAL expert system, a computerized tool designed for the assessment of sleep disorders, against polysomnographic data and clinical assessments by sleep specialists...
Prevalence of DSM-IV diagnostic criteria of insomnia: distinguishing insomnia related to mental disorders from sleep disordersM M Ohayon
Centre de Recherche Philippe Pinel de Montreal, Quebec, Canada
J Psychiatr Res 31:333-46. 1997
..Conversely, diagnoses were obtained by lay interviews, which may have caused a lack of recognition and/or discrimination for light or borderline symptomatology...
Improving decisionmaking processes with the fuzzy logic approach in the epidemiology of sleep disordersM M Ohayon
Sleep Disorders Center, Stanford University School of Medicine, CA 94305, USA
J Psychosom Res 47:297-311. 1999
....
Are prescribed medications effective in the treatment of insomnia complaints?M M Ohayon
Research Center Phillipe Pinel of Montreal, Quebec, Canada
J Psychosom Res 47:359-68. 1999
....
Differentiating DSM-IV anxiety and depressive disorders in the general population: comorbidity and treatment consequencesM M Ohayon
Philippe Pinel Research Center of Montreal, Ontario
Can J Psychiatry 45:166-72. 2000
..To attempt, for the first time, to apply a positive and differential diagnosis process in the general population during interviews using DSM-IV classification to ascertain the profile and occurrence of concomitant mental disorders...
Is sleep-disordered breathing an independent risk factor for hypertension in the general population (13,057 subjects)?M M Ohayon
Sleep Disorders Center, Stanford University School of Medicine, 401 Quarry Road Suite 3301, Stanford, CA 94305, USA
J Psychosom Res 48:593-601. 2000
..This is an important health issue that requires further clarification because of the potential impact on the prevention and control of hypertension...
Prevalence and patterns of problematic sleep among older adolescentsM M Ohayon
Sleep Disorders Center, Stanford University School of Medicine, CA 94305, USA
J Am Acad Child Adolesc Psychiatry 39:1549-56. 2000
..This study provides additional data on sleep habits and DSM-IV sleep disorders in late adolescence...
Prevalence and comorbidity of nocturnal wandering in the U.S. adult general populationM M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, CA, USA
Neurology 78:1583-9. 2012
..To assess the prevalence and comorbid conditions of nocturnal wandering with abnormal state of consciousness (NW) in the American general population...
Prevalence of nightmares and their relationship to psychopathology and daytime functioning in insomnia subjectsM M Ohayon
Centre de Recherche Philippe Pinel de Montreal, Quebec, Canada
Sleep 20:340-8. 1997
....
[Sleep and insomnia markers in the general population]M M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, California 94303, USA
Encephale 30:135-40. 2004
..Insufficient sleep was found more often in the active population, which is subject to schedule constraints. Shift workers as well as evening or night workers were the most likely to have a sleep debt...
Specific characteristics of the pain/depression association in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Palo Alto, CA 94303, USA
J Clin Psychiatry 65:5-9. 2004
..To evaluate how the presence of a chronic painful physical condition (CPPC) lasting 6 months or more influences the frequency and severity of depressive symptoms in subjects with major depressive disorder (MDD)...
How age and daytime activities are related to insomnia in the general population: consequences for older peopleM M Ohayon
Stanford University School of Medicine, Sleep Disorder Center, California 94305, USA
J Am Geriatr Soc 49:360-6. 2001
..e., without organic or mental pathologies) have a prevalence of insomnia symptoms similar to that observed in younger people. Moreover, being active and satisfied with social life are protective factors against insomnia at any age...
Prevalence and correlates of nonrestorative sleep complaintsMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, Stanford, Calif, USA
Arch Intern Med 165:35-41. 2005
....
Nocturnal awakenings and comorbid disorders in the American general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, 3430 West Bayshore Road, Stanford, Palo Alto, CA 94303, USA
J Psychiatr Res 43:48-54. 2008
..Nocturnal awakenings are one of the most prevalent sleep disturbances in the general population. However, little is know about how its severity affects co-morbidity with mental disorders and organic diseases...
[Methodology of a study on insomnia in the general population]M M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 401, Quarry Road Suite 3301 Stanford, California, 94305 USA
Encephale 28:217-26. 2002
..Furthermore, it ensured a standardized administration of the interviews and the exploration of a broad range of disorders that could hardly be realized with traditional paper-pencil questionnaires...
[Daytime consequences of insomnia complaints in the French general population]M M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, California 94303, USA
Encephale 30:222-7. 2004
..Complementary studies should be undertaken to describe the daytime repercussions of insomnia for this specific age group of the general population and to measure these repercussions...
Frequency of narcolepsy symptoms and other sleep disorders in narcoleptic patients and their first-degree relativesM M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, CA, USA
J Sleep Res 14:437-45. 2005
..5), REM behavior disorder (OR: 4.4), and sleep talking (OR: 2.0). The vulnerability to sleep disorders is very high in first-degree relatives and the link with different expressivity and severity of hypersomnia can be confirmed...
Using chronic pain to predict depressive morbidity in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 3430 W Bayshore Rd, Suite 102, Palo Alto, CA 94303, USA
Arch Gen Psychiatry 60:39-47. 2003
....
Difficulty in resuming or inability to resume sleep and the links to daytime impairment: definition, prevalence and comorbidityMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, 3430 W Bayshore Road, Palo Alto, CA 94303, USA
J Psychiatr Res 43:934-40. 2009
..To assess the chronicity and severity of nocturnal awakenings with difficulty resuming sleep (DRS), its value as an indicator of an ongoing sleep and/or mental disorder and, finally, how it affects on daytime functioning...
Prevalence of major depressive disorder in the general population of South KoreaMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 3430 W Bayshore Road, Suite 102, Palo Alto, Stanford, CA 94303, USA
J Psychiatr Res 40:30-6. 2006
..However, little information exists on MDD in Asian countries. This study investigates the prevalence of MDD and its characteristics in the general population of South Korea...
Epidemiological and clinical relevance of insomnia diagnosis algorithms according to the DSM-IV and the International Classification of Sleep Disorders (ICSD)Maurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, CA 94303, USA
Sleep Med 10:952-60. 2009
....
Using difficulty resuming sleep to define nocturnal awakeningsMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, Stanford, CA 94303, USA
Sleep Med 11:236-41. 2010
..Little is known, however, about the frequency of these episodes and how difficulty resuming sleep once awakened affects subjective sleep quality and quantity...
Chronic pain and major depressive disorder in the general populationMaurice M Ohayon
Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, CA 94303, USA
J Psychiatr Res 44:454-61. 2010
..It deteriorates physical, occupational and socio-professional activities. Pain and sleep disturbances are a prime motive of consultation rather than depressed mood, underlining the risk of missing a depression diagnosis...
Global sleep dissatisfaction for the assessment of insomnia severity in the general population of PortugalMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, Stanford, CA, USA
Sleep Med 6:435-41. 2005
..This study examines the prevalence and associated factors of insomnia symptoms and sleep dissatisfaction in the general population of Portugal...
Normative sleep data, cognitive function and daily living activities in older adults in the communityMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, 3430 W Bayshore Road, Palo Alto, CA 94303, USA
Sleep 28:981-9. 2005
..To present normative data of sleep-wake characteristics and to examine risk factors associated with extreme values (i.e., in the 5 lower and upper percentiles of the distribution) in older adults...
[Prevalence and comorbidity of sleep disorders in general population]Maurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, CA, USA
Rev Prat 57:1521-8. 2007
..2% to 5%. Despite their high frequency, sleep disorders remain poorly identified; less than 20% of individuals with sleep disorders are correctly diagnosed and treated...
Upper airway resistance syndrome: a long-term outcome studyChristian Guilleminault
Stanford Sleep Disorders Clinic, Stanford, CA 94305, USA
J Psychiatr Res 40:273-9. 2006
..CONCLUSIONS: Many UARS patients remained untreated following initial evaluation. Worsening of symptoms of insomnia, fatigue and depressive mood were seen with absence of treatment of UARS...
Epidemiology of depression and its treatment in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Center, School of Medicine, Stanford University, 3430 W Bayshore Road, Palo Alto, CA 94303, USA
J Psychiatr Res 41:207-13. 2007
..Although its identification and treatment have improved over the years, some segments of the population, namely elderly and non-white individuals are less likely to receive appropriate care...
Severe hot flashes are associated with chronic insomniaMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, 3430 W Bayshore Road, Palo Alto, CA 94303, USA
Arch Intern Med 166:1262-8. 2006
....
Place of chronic insomnia in the course of depressive and anxiety disordersMaurice M Ohayon
Stanford Epidemiology Sleep Research Center, Stanford University, 401 Quarry Road Suite 3301, School of Medicine, Stanford, CA 94305, USA
J Psychiatr Res 37:9-15. 2003
..However, little is known about how the chronicity of insomnia affects this relation and how often subjects with chronic insomnia have antecedents of psychiatric disorders...
Relationship between chronic painful physical condition and insomniaMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 3430 W Bayshore Road, Suite 102, Palo Alto, Stanford, CA 94303, USA
J Psychiatr Res 39:151-9. 2005
..A chronic painful physical condition (CPPC) can be a major cause of sleep disturbances. Few community-based surveys examined the specific relationship between these two conditions...
Insomnia and global sleep dissatisfaction in FinlandMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, CA, USA
J Sleep Res 11:339-46. 2002
..Compared with other European countries studied with the same methodology (France, the UK, Germany, and Italy), the prevalence of DSM-IV insomnia diagnosis was 1.5 to two times higher in Finland...
Prevalence and consequences of sleep disorders in a shift worker populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 401 Quarry Road, Suite 3301, Stanford, CA 94305, USA
J Psychosom Res 53:577-83. 2002
..Irregular work schedules often results in a disruption of the normal circadian rhythm that can causes sleepiness when wakefulness is required and insomnia during the main sleep episode...
Prevalence and risk factors of morning headaches in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, Calif 94303, USA
Arch Intern Med 164:97-102. 2004
..To determine the prevalence of chronic morning headaches (CMH) in the general population and their relationship to sociodemographic characteristics, psychoactive substance use, and organic, sleep, and mental disorders...
The effects of breathing-related sleep disorders on mood disturbances in the general populationMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, 3430 West Bayshore Road, Suite 102, Palo Alto, CA 94303, USA
J Clin Psychiatry 64:1195-200; quiz, 1274-6. 2003
..This study aims to assess the impact of breathing-related sleep disorder on major depressive disorder in the general population...
C-reactive protein and sleep-disordered breathingChristian Guilleminault
Sleep Disorders Clinic, Stanford University, Stanford, CA 94305, USA
Sleep 27:1507-11. 2004
....
Social phobia and depression: prevalence and comorbidityMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, CA 94303, USA
J Psychosom Res 68:235-43. 2010
..Social phobia may seriously impair the functioning of affected individuals. It is frequently associated with other mental disorders...
How age influences the expression of narcolepsyMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Suite 102, 3430 W Bayshore Road, Palo Alto, CA 94303, USA
J Psychosom Res 59:399-405. 2005
..The aim of this study was to investigate the influence of age on the manifestation of narcolepsy symptoms and cognitive difficulties in patients with narcolepsy...
Consequences of shiftworking on sleep duration, sleepiness, and sleep attacksMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Stanford, California, USA
Chronobiol Int 27:575-89. 2010
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Interactions between sleep normative data and sociocultural characteristics in the elderlyMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, Stanford University School of Medicine, 3430 West Bayshore Road, Suite 102, Stanford, Palo Alto, CA 94303, USA
J Psychosom Res 56:479-86. 2004
..To present sleep patterns in elderly individuals and factors associated with short sleep and long daytime and nighttime sleep...
Occurrence of sleep disorders in the families of narcoleptic patientsMaurice M Ohayon
Stanford Sleep Epidemiology, School of Medicine, Stanford University, Palo Alto, CA 94303, USA
Neurology 67:703-5. 2006
..They are also at greater risk for insufficient sleep syndrome (odds ratio [OR] 6.1), nocturnal eating (OR 5.7), and adjustment sleep disorder (OR 3.1)...
Prevalence of depressive episodes with psychotic features in the general populationMaurice M Ohayon
Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford Sleep Epidemiology Research Center, 401 Quarry Rd, Suite 3301, Stanford, CA 94305, USA
Am J Psychiatry 159:1855-61. 2002
..The study evaluated the prevalence of major depressive episodes with psychotic features in the general population and sought to determine which depressive symptoms are most frequently associated with psychotic features...
Meta-analysis of quantitative sleep parameters from childhood to old age in healthy individuals: developing normative sleep values across the human lifespanMaurice M Ohayon
Stanford Sleep Epidemiology Research Center, School of Medicine, Stanford University, Palo Alto, CA 94303, USA
Sleep 27:1255-73. 2004
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Tenses of insomnia epidemiologyMaurice M Ohayon
J Psychosom Res 53:525-7. 2002
Interlacing sleep, pain, mental disorders and organic diseasesMaurice M Ohayon
J Psychiatr Res 40:677-9. 2006
Anxiety disorders: prevalence, comorbidity and outcomesMaurice M Ohayon
J Psychiatr Res 40:475-6. 2006
Insomnia: a ticking clock for depression?Maurice M Ohayon
J Psychiatr Res 41:893-4. 2007
Validation: a dangerous and difficult claim to makeMaurice M Ohayon
Sleep Med 4:99. 2003
Chronic benzodiazepine usage and withdrawal in insomnia patientsDalva Poyares
Disciplina de Medicina e Biologia do Sono, Departamento de Psicobiologia da Universidade Federal de São Paulo, Brazil
J Psychiatr Res 38:327-34. 2004
..But at the end of the protocol, SWS, delta count, and sleep quality were improved compared to those recorded during the chronic BZD intake, despite the lack of change in sleep efficiency...
Can valerian improve the sleep of insomniacs after benzodiazepine withdrawal?Dalva R Poyares
Sleep Laboratory of the Department of Psychobiology, Universidade Federal de Sao Paulo, Sao Paulo, Brazil
Prog Neuropsychopharmacol Biol Psychiatry 26:539-45. 2002
..Sleep of control subjects was monitored in parallel...
Sleep and the elderlyMaurice M Ohayon
J Psychosom Res 56:463-4. 2004
Insomnia: a dangerous condition but not a killer?Maurice M Ohayon
Sleep 28:1043-4. 2005
Methodology and assessments: the tools of the tradeMaurice M Ohayon
J Psychiatr Res 40:187-8. 2006