422 results match your criteria Sleeplessness and Circadian Rhythm Disorder


[Chinese expert consensus on the assessment and management of stroke-related sleep disorders].

Authors:

Zhonghua Nei Ke Za Zhi 2019 Jan;58(1):17-26

Stroke-related sleep disorders (SSD) are common symptoms after stroke, which are common but easily ignored. Studies have shown that sleep disorders in stroke patients would have negative impact on prognosis. However, there is still a lack of consensus and guidance on SSD evaluation and management worldwide. Read More

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http://doi.med.wanfangdata.com.cn/10.3760/cma.j.issn.0578-14
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http://dx.doi.org/10.3760/cma.j.issn.0578-1426.2019.01.004DOI Listing
January 2019
3 Reads

Cognitive "insomnia" processes in delayed sleep-wake phase disorder: Do they exist and are they responsive to chronobiological treatment?

J Consult Clin Psychol 2019 Jan 15;87(1):16-32. Epub 2018 Nov 15.

College of Education, Psychology, and Social Work.

Objective: To systematically investigate whether cognitive "insomnia" processes are implicated in adolescent Delayed Sleep-Wake Phase Disorder (DSWPD) and to examine whether these processes are responsive to chronobiological treatment.

Method: Sixty-three adolescents (M = 15.8 ± 2. Read More

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http://dx.doi.org/10.1037/ccp0000357DOI Listing
January 2019
2 Reads

Glycogen synthase kinase-3β genetic polymorphisms and insomnia in depressed patients: A prospective study.

J Affect Disord 2018 11 24;240:230-236. Epub 2018 Jul 24.

CESP/UMR-S1178, Equipe "Dépression et Antidépresseurs", Univ Paris-Sud, Faculté de Médecine, INSERM, Le Kremlin Bicêtre, France; Service Hospitalo-Universitaire de Psychiatrie de Bicêtre, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris, Le Kremlin Bicêtre, France; Dispositif Territorial de Recherche et Formation (DTRF) Paris Sud. Electronic address:

Background: 80-90% of patients with Major Depressive Episode (MDE) experience insomnia and up-to 50% severe insomnia. Glycogen Synthase Kinase-3β (GSK3B) is involved both in mood regulation and circadian rhythm. Since GSK3B polymorphisms could affect protein levels or functionality, we investigated the association of GSK3B polymorphisms with insomnia in a sample of depressed patients treated with antidepressants. Read More

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http://dx.doi.org/10.1016/j.jad.2018.07.062DOI Listing
November 2018
9 Reads

Sleep Management Among Patients with Substance Use Disorders.

Med Clin North Am 2018 Jul;102(4):733-743

Department of Health Law, Policy and Management, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA.

Sleep and substance use disorders commonly co-occur. Insomnia is commonly associated with use and withdrawal from substances. Circadian rhythm abnormalities are being increasingly linked with psychoactive substance use. Read More

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http://dx.doi.org/10.1016/j.mcna.2018.02.012DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6289280PMC
July 2018
5 Reads

Sleep disorders in the elderly: a growing challenge.

Psychogeriatrics 2018 May;18(3):155-165

Division of Sleep Research, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, India.

In contrast to newborns, who spend 16-20 h in sleep each day, adults need only about sleep daily. However, many elderly may struggle to obtain those 8 h in one block. In addition to changes in sleep duration, sleep patterns change as age progresses. Read More

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http://doi.wiley.com/10.1111/psyg.12319
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http://dx.doi.org/10.1111/psyg.12319DOI Listing
May 2018
22 Reads

Jetlag related sleep problems and their management: A review.

Travel Med Infect Dis 2018 Jul - Aug;24:59-64. Epub 2018 May 19.

Kirikkale University, Faculty of Medicine, Department of Otorhinolaryngology, Kirikkale, Turkey. Electronic address:

Objectives: We reviewed Jetlag, particularly in view of its effects on sleep and how it can be managed.

Methods: The Proquest Central database of Kırıkkale University, PubMed and Google scholar were used while searching for the following key words: "Jetlag", "symptoms", "sleep", "melatonin" and "treatment".

Results: Flight dysrhythmia, otherwise known as jetlag, is caused by flying globally over various time zones. Read More

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http://dx.doi.org/10.1016/j.tmaid.2018.05.008DOI Listing
November 2018
6 Reads

Individual vulnerability to insomnia, excessive sleepiness and shift work disorder amongst healthcare shift workers. A systematic review.

Sleep Med Rev 2018 10 27;41:220-233. Epub 2018 Mar 27.

Institute for Breathing and Sleep, Austin Health, Austin Hospital, Heidelberg, Victoria, Australia; School of Psychological Sciences and Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Victoria, Australia; Cooperative Research Centre for Alertness, Safety and Productivity, Melbourne, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia.

Shift workers often experience reduced sleep quality, duration and/or excessive sleepiness due to the imposed conflict between work and their circadian system. About 20-30% of shift workers experience prominent insomnia symptoms and excessive daytime sleepiness consistent with the circadian rhythm sleep disorder known as shift work disorder. Individual factors may influence this vulnerability to shift work disorder or sleep-related impairment associated with shift work. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S10870792173016
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http://dx.doi.org/10.1016/j.smrv.2018.03.005DOI Listing
October 2018
10 Reads

Altered ultradian cortisol rhythmicity as a potential neurobiologic substrate for chronic insomnia.

Sleep Med Rev 2018 10 27;41:234-243. Epub 2018 Mar 27.

Center for Sleep and Circadian Neurobiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Behavioral Sleep Medicine Program, Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; School of Nursing, University of Pennsylvania, Philadelphia, PA, USA.

Chronic insomnia is highly prevalent and associated with significant morbidity (i.e., confers risk for multiple psychiatric and medical disorders, such as depression and hypertension). Read More

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http://dx.doi.org/10.1016/j.smrv.2018.03.003DOI Listing
October 2018
2 Reads

Heterogeneity of sleep quality in relation to circadian preferences and depressive symptomatology among major depressive patients.

J Affect Disord 2018 08 17;235:242-249. Epub 2018 Feb 17.

Acipayam State Hospital, Department of Psychiatry, Denizli, Turkey.

Background: The current study aimed at investigating the latent dimensional structure of sleep quality as indexed by the seven components of the Pittsburgh Sleep Quality Index (PSQI), as well as latent covariance structure between sleep quality, circadian preferences and depressive symptoms.

Methods: Two hundred twenty-five patients with major depressive disorder (MDD), with an average age of 29.92 ± 10. Read More

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http://dx.doi.org/10.1016/j.jad.2018.02.018DOI Listing
August 2018
24 Reads
3.383 Impact Factor

Nurses' Sleepiness and Sleeplessness: The Epidemic of Insufficient Sleep.

Holist Nurs Pract 2018 May/Jun;32(3):172-174

College of Nursing and Health Professions, Drexel University, Philadelphia, Pennsylvania.

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http://dx.doi.org/10.1097/HNP.0000000000000269DOI Listing
November 2018
2 Reads

Adapted CBT to Stabilize Sleep on Psychiatric Wards: a Transdiagnostic Treatment Approach.

Behav Cogn Psychother 2018 Nov 4;46(6):661-675. Epub 2018 Apr 4.

Sleep and Circadian Neuroscience Institute,Department of Psychiatry,University of Oxford,Oxford,UK.

Background: Almost all patients admitted at acute crisis to a psychiatric ward experience clinically significant symptoms of insomnia. Ward environments pose challenges to both sleep and the delivery of therapy. Despite this, there is no description of how to adapt cognitive behavioural therapy (CBT) for insomnia to overcome these challenges. Read More

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https://www.cambridge.org/core/product/identifier/S135246581
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http://dx.doi.org/10.1017/S1352465817000789DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6141994PMC
November 2018
6 Reads

A case-control study of sleep disturbances in pediatric obsessive-compulsive disorder.

J Anxiety Disord 2018 04 23;55:1-7. Epub 2018 Feb 23.

Department of Psychiatry, Faculty of Medicine, University of British Columbia, Vancouver, Canada; Provincial Health Services Authority, BC Children's Hospital, Vancouver, Canada. Electronic address:

Background: Sleep disturbances, including delayed sleep phase disorder (DSPD) and disorders of sleep initiation and maintenance (DIMS), have repeatedly been identified in adult obsessive-compulsive disorder (OCD). These disturbances have not been well-characterized objectively in pediatric OCD.

Methods: Thirty OCD-affected youth (8-18 yrs, 40% male) and 30 age and gender-matched healthy controls (HCs) completed the Sleep Disturbances Scale for Children (SDSC), and one week of continuous actigraphy with concurrent sleep diary documentation. Read More

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http://dx.doi.org/10.1016/j.janxdis.2018.02.001DOI Listing
April 2018
5 Reads

Zaleplon loaded bi-layered chronopatch: A novel buccal chronodelivery approach to overcome circadian rhythm related sleep disorder.

Int J Pharm 2018 May 8;542(1-2):117-124. Epub 2018 Mar 8.

Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Egypt.

The aim of this study was to develop a novel buccal bi-layered chronopatch capable of eliciting pulsatile release pattern of drugs treating diseases with circadian rhythm related manifestation. Zaleplon (ZLP) was used as a model drug intended to induce sleep and to treat middle of night insomnia. The chronopatch was prepared adopting double casting technique. Read More

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http://dx.doi.org/10.1016/j.ijpharm.2018.03.014DOI Listing

Altered diurnal states in insomnia reflect peripheral hyperarousal and metabolic desynchrony: a preliminary study.

Sleep 2018 05;41(5)

Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA.

Study Objectives: Insomnia is a common sleep disorder that is associated with a range of adverse outcomes. Patients with insomnia exhibit hyperarousal in multiple domains, including an elevated metabolic rate, but specific metabolic molecular perturbations are unknown. Furthermore, objective clinical markers of insomnia are not available and current assessment of pathological extent relies on self-report. Read More

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http://dx.doi.org/10.1093/sleep/zsy043DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5946940PMC
May 2018
1 Read

[Sleep disorders and impaired sleep as adverse drug reactions of psychotropic drugs: an evaluation of data of summaries of product characteristics].

Fortschr Neurol Psychiatr 2018 07 2;86(7):410-421. Epub 2018 Mar 2.

Universitätsklinikum Ulm, Klinik für Psychiatrie und Psychotherapie III.

Objective: Psychopharmacotherapy is essential in the treatment of many mental disorders. Adverse drug reactions (ADR) have impact on compliance and tolerability. Sleep disorders or impaired sleep may occur as ADRs of psychopharmacotherapy. Read More

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http://dx.doi.org/10.1055/s-0043-119800DOI Listing
July 2018
11 Reads

Are sleep disturbances causally linked to the presence and severity of psychotic-like, dissociative and hypomanic experiences in non-clinical populations? A systematic review.

Neurosci Biobehav Rev 2018 06 13;89:119-131. Epub 2018 Feb 13.

Division of Psychology and Mental Health, School of Health Sciences, Zochonis Building, Brunswick Street, Manchester, M13 9PL, United Kingdom.

The present review aimed to 1) identify what sleep disturbances co-occur alongside psychotic-like, dissociative and hypomanic experiences; 2) assess the strength of potential associations between the severity of sleep disturbances and of the experiences studied; and 3) appraise evidence for a causal link. MedLine and PsycInfo were searched and 44 studies were deemed eligible. Results showed that insomnia was associated with all individual psychotic-like, dissociative and hypomanic experiences reviewed (effect size range: small-to-large). Read More

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http://dx.doi.org/10.1016/j.neubiorev.2018.02.008DOI Listing
June 2018
12 Reads

Morningness-Eveningness questionnaire in bipolar disorder.

Psychiatry Res 2018 04 3;262:102-107. Epub 2018 Feb 3.

Douglas Mental Health University Institute, McGill University, Montreal, Canada; Department of Psychiatry, McGill University, Montreal, Canada. Electronic address:

The Morningness-Eveningness Questionnaire (MEQ) is among the most commonly used scales to measure chronotype. We aimed to evaluate psychometric properties and clinical correlates of MEQ in bipolar disorder. Patients with a clinical diagnosis of bipolar disorder (n = 53) answered questionnaires for chronotype (MEQ), mood (Quick Inventory of Depressive Symptoms-16, Altman Self-Rating Mania Scale), insomnia (Athens Insomnia Scale, AIS), and sleepiness (Epworth Sleepiness Scale). Read More

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http://dx.doi.org/10.1016/j.psychres.2018.02.004DOI Listing
April 2018
4 Reads

Neurodegenerative Disorders and Sleep.

Authors:
Raman K Malhotra

Sleep Med Clin 2018 Mar 10;13(1):63-70. Epub 2017 Nov 10.

Department of Neurology, Saint Louis University School of Medicine, Monteleone Hall, 1438 South Grand Boulevard, St Louis, MO 63104, USA. Electronic address:

Sleep disorders are commonly found in cerebral degenerative disorders. The sleep disorders may be caused by the primary symptoms of the neurologic disease or may result from damage to sleep-controlling centers in the brain. Common sleep disorders found in this population include insomnia, hypersomnia, sleep apnea, restless legs syndrome, circadian rhythm disorders, and rapid eye movement sleep behavior disorder. Read More

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http://dx.doi.org/10.1016/j.jsmc.2017.09.006DOI Listing
March 2018
8 Reads

Sleep and Nocturia in Older Adults.

Sleep Med Clin 2018 Mar 8;13(1):107-116. Epub 2017 Dec 8.

Program in Sleep, Aging and Chronobiology, Department of Neurology, Emory University, 12 Executive Park Drive, Atlanta, GA 30329, USA.

Older adults frequently experience nocturia and sleep disturbance concurrently, and problems with sleep resulting from nocturia are a major factor accompanying the bother associated with nocturia. A multicomponent treatment strategy is usually warranted. Initial treatment includes lifestyle modification and behavioral treatment with consideration of pelvic floor muscle exercise-based therapy. Read More

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http://dx.doi.org/10.1016/j.jsmc.2017.09.010DOI Listing
March 2018
2 Reads

Changes in subcortical resting-state functional connectivity in patients with psychophysiological insomnia after cognitive-behavioral therapy: Changes in resting-state FC after CBT for insomnia patients.

Neuroimage Clin 2018 12;17:115-123. Epub 2017 Oct 12.

Department of Psychiatry, Center for Sleep and Chronobiology, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea.

Study Objectives: To examine the resting-state functional connectivity (FC) between subcortical regions in relation to whole-brain activity in patients with psychophysiological insomnia (PI) and changes following cognitive-behavioral therapy for insomnia (CBTi).

Methods: The FC between subcortical seed regions (caudate, putamen, pallidum, amygdala, thalamus, and hippocampus) and whole-brain voxels were compared between the PI group (n = 13, mean age: 51.0 ± 10. Read More

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http://dx.doi.org/10.1016/j.nicl.2017.10.013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5647526PMC
June 2018
10 Reads

What about sleep homeostasis in insomnia? Comment on the European guideline for the diagnosis and treatment of insomnia.

J Sleep Res 2017 12 19;26(6):701. Epub 2017 Oct 19.

Department of Psychiatry, Centre Hospitalier de Tivoli, U.L.B., La Louvière, Belgium.

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http://dx.doi.org/10.1111/jsr.12625DOI Listing
December 2017
1 Read

Sleep and circadian disruption and incident breast cancer risk: An evidence-based and theoretical review.

Neurosci Biobehav Rev 2018 Jan 13;84:35-48. Epub 2017 Oct 13.

Department of Psychology, University of Pittsburgh, Pittsburgh, PA, United States; Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, United States. Electronic address:

Opportunities for restorative sleep and optimal sleep-wake schedules are becoming luxuries in industrialized cultures, yet accumulating research has revealed multiple adverse health effects of disruptions in sleep and circadian rhythms, including increased risk of breast cancer. The literature on breast cancer risk has focused largely on adverse effects of night shift work and exposure to light at night (LAN), without considering potential effects of associated sleep disruptions. As it stands, studies on breast cancer risk have not considered the impact of both sleep and circadian disruption, and the possible interaction of the two through bidirectional pathways, on breast cancer risk in the population at large. Read More

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http://dx.doi.org/10.1016/j.neubiorev.2017.10.011DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6025900PMC
January 2018
4 Reads

Circadian Phase and Phase Angle Disorders in Primary Insomnia.

Sleep 2017 12;40(12)

Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston.

Objectives: We aimed to identify the prevalence of circadian phase and phase angle abnormalities in patients with insomnia.

Methods: We conducted a cross-sectional, multicenter study at three sleep laboratories in the United States and Australia. Patients with insomnia and healthy control participants completed a sleep log for 7 days. Read More

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http://dx.doi.org/10.1093/sleep/zsx163DOI Listing
December 2017
15 Reads

Subjective-Objective Sleep Discrepancy Is Associated With Alterations in Regional Glucose Metabolism in Patients With Insomnia and Good Sleeper Controls.

Sleep 2017 11;40(11)

Department of Psychiatry, Sleep and Chronobiology Center, University of Pittsburgh School of Medicine, Pittsburgh, PA.

Objectives: Sleep discrepancies are common in primary insomnia (PI) and include reports of longer sleep onset latency (SOL) than measured by polysomnography (PSG) or "negative SOL discrepancy." We hypothesized that negative SOL discrepancy in PI would be associated with higher relative glucose metabolism during nonrapid eye movement (NREM) sleep in brain networks involved in conscious awareness, including the salience, left executive control, and default mode networks.

Methods: PI (n = 32) and good sleeper controls (GS; n = 30) completed [18F]fluorodeoxyglucose positron emission tomography (FDG-PET) scans during NREM sleep, and relative regional cerebral metabolic rate for glucose (rCMRglc) was measured. Read More

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http://dx.doi.org/10.1093/sleep/zsx155DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5819841PMC
November 2017
38 Reads

An Objective Short Sleep Insomnia Disorder Subtype Is Associated With Reduced Brain Metabolite Concentrations In Vivo: A Preliminary Magnetic Resonance Spectroscopy Assessment.

Sleep 2017 11;40(11)

Woolcock Institute of Medical Research, CIRUS, Centre for Sleep and Chronobiology, Sydney, New South Wales, Australia.

Objectives: To evaluate brain metabolites in objective insomnia subtypes defined from polysomnography (PSG): insomnia with short sleep duration (I-SSD) and insomnia with normal sleep duration (I-NSD), relative to good sleeping controls (GSCs).

Methods: PSG empirically grouped insomnia patients into I-SSD (n = 12: mean [SD] total sleep time [TST] = 294.7 minutes [30. Read More

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http://academic.oup.com/sleep/article/doi/10.1093/sleep/zsx1
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http://dx.doi.org/10.1093/sleep/zsx148DOI Listing
November 2017
32 Reads

Sleep Stage Transition Dynamics Reveal Specific Stage 2 Vulnerability in Insomnia.

Sleep 2017 09;40(9)

Department of Sleep and Cognition, Netherlands Institute for Neuroscience (NIN), Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands.

Study Objectives: Objective sleep impairments in insomnia disorder (ID) are insufficiently understood. The present study evaluated whether whole-night sleep stage dynamics derived from polysomnography (PSG) differ between people with ID and matched controls and whether sleep stage dynamic features discriminate them better than conventional sleep parameters.

Methods: Eighty-eight participants aged 21-70 years, including 46 with ID and 42 age- and sex-matched controls without sleep complaints, were recruited through www. Read More

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http://dx.doi.org/10.1093/sleep/zsx117DOI Listing
September 2017
28 Reads

[Melatonin - known problems and perspectives of clinical usage].

Zh Nevrol Psikhiatr Im S S Korsakova 2017;117(4. Vyp. 2):74-78

Povolzhsky state university of telecommunications and informatics, Samara, Russia.

The article discusses well-known and ongoing studies of mechanisms of action of melatonin. The main clinical effects of melatonin are discussed. The emphasis on the chronobiological effect of melatonin, its adaptogenic and anti-carcinogenic properties has been done in the article. Read More

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http://www.mediasphera.ru/issues/zhurnal-nevrologii-i-psikhi
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http://dx.doi.org/10.17116/jnevro20171174274-78DOI Listing
April 2019
4 Reads

Chronic Insomnia Disorder.

Continuum (Minneap Minn) 2017 08;23(4, Sleep Neurology):1064-1092

Purpose Of Review: Neurologists, along with all health care providers, commonly encounter patients with insomnia, which is a condition that impacts patients' underlying neurologic conditions in a bidirectional manner. While chronic insomnia is one of the most common sleep disturbances, only a small proportion of individuals with this condition discuss their sleep problems with their providers. When insomnia is described, it is more often in relationship to another medical problem, as opposed to an independent condition. Read More

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http://dx.doi.org/10.1212/01.CON.0000522244.13784.bfDOI Listing
August 2017
4 Reads

Gender differences in obstructive sleep apnoea, insomnia and restless legs syndrome in adults - What do we know? A clinical update.

Sleep Med Rev 2018 04 27;38:28-38. Epub 2017 Mar 27.

CIRUS, Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, Australia.

Research in sleep medicine over the last decades has involved a broad variety of sleep disorders in both men and women. Gender differences have been identified in sleep physiology as well as in the three most common sleep disorders: obstructive sleep apnoea (OSA), insomnia and restless legs syndrome (RLS). However, research on gender differences in sleep medicine appears limited. Read More

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http://dx.doi.org/10.1016/j.smrv.2017.03.003DOI Listing
April 2018
7 Reads

Effect of blue-blocking glasses in major depressive disorder with sleep onset insomnia: A randomized, double-blind, placebo-controlled study.

Chronobiol Int 2017 10;34(6):753-761. Epub 2017 May 10.

b Department of Psychiatry , Fujita Health University School of Medicine , Toyoake , Aichi , Japan.

Blue wavelengths form the portion of the visible electromagnetic spectrum that most potently regulates circadian rhythm. We hypothesized that wearing blue-blocking (BB) glasses in the evening may influence circadian rhythm disturbances in patients with major depressive disorder (MDD), resulting in improved sleep and mood. We used a randomized placebo-controlled double-blinded design. Read More

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http://dx.doi.org/10.1080/07420528.2017.1318893DOI Listing
April 2018
9 Reads

Sleep quality, chronotype, temperament and bipolar features as predictors of depressive symptoms among medical students.

Chronobiol Int 2017 10;34(6):708-720. Epub 2017 May 10.

a Department of Clinical Pharmacology , Medical University of Lodz , Lodz , Poland.

The assessment of risk factors is a crucial step in the prevention and treatment of affective disorders and should encompass personal dispositions. The aim of this study was to assess the value of chronotype and temperament as independent predictors of depressive symptoms among medical students. The study surveyed 140 students of the Faculty of Medicine with a battery of questionnaires: the Beck Depression Index (BDI), Hypomania Checklist 32 (HCL-32), Pittsburgh Sleep Quality Index (PSQI), Chronotype Questionnaire and Eysenck Personality Questionnaire Revised. Read More

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http://dx.doi.org/10.1080/07420528.2017.1316730DOI Listing
April 2018
21 Reads

Shift Work and Cognitive Flexibility: Decomposing Task Performance.

J Biol Rhythms 2017 04 23;32(2):143-153. Epub 2017 Mar 23.

Henry Ford Health System, Detroit, Michigan.

Deficits in cognitive functioning associated with shift work are particularly relevant to occupational performance; however, few studies have examined how cognitive functioning is associated with specific components of shift work. This observational study examined how circadian phase, nocturnal sleepiness, and daytime insomnia in a sample of shift workers ( N = 30) were associated with cognitive flexibility during the night shift. Cognitive flexibility was measured using a computerized task-switching paradigm, which produces 2 indexes of flexibility: switch cost and set inhibition. Read More

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http://dx.doi.org/10.1177/0748730417699309DOI Listing
April 2017
8 Reads

Changing Adolescent Sleep Patterns: Factors Affecting them and the Related Problems.

J Assoc Physicians India 2017 Mar;65(3):73-77

Post Graduate Resident, Department of Pediatrics, Dayanand Medical College and Hospital, Ludhiana, Punjab.

Sleep affects physical growth, behavior and emotional development besides determining cognitive functioning, learning and attention especially of a growing child. Adolescence represents one of the critical transitions in the life span and is characterized by a tremendous pace in growth and change that is second only to that of infancy. Adolescent sleep patterns deserve particular attention because of the potential impact on school performance. Read More

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March 2017
4 Reads

From the midnight sun to the longest night: Sleep in Antarctica.

Sleep Med Rev 2018 02 14;37:159-172. Epub 2017 Mar 14.

Vital Signs and Performance Research Unit, Royal Military Academy, Brussels, Belgium; Human Physiology Dept, School for Exercise Science, Vrije Universiteit Brussel, Belgium; Sleep Laboratory and Unit for Chronobiology, Brugmann University Hospital, Free University of Brussels, Belgium.

Sleep disturbances are the main health complaints from personnel deployed in Antarctica. The current paper presents a systematic review of research findings on sleep disturbances in Antarctica. The available sources were divided in three categories: results based on questionnaire surveys or sleep logs, studies using actigraphy, and data from polysomnography results. Read More

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http://dx.doi.org/10.1016/j.smrv.2017.03.001DOI Listing
February 2018
8 Reads

Time Trends in the Family Physician Management of Insomnia: The Australian Experience (2000-2015).

J Clin Sleep Med 2017 Jun 15;13(6):785-790. Epub 2017 Jun 15.

CIRUS, Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, The University of Sydney, New South Wales, Australia.

Study Objectives: To evaluate changes in rates of family physician (FP) management of insomnia in Australia from 2000-2015.

Methods: The Bettering the Evaluation And Care of Health (BEACH) program is a nationally representative cross-sectional survey of 1,000 newly randomly sampled family physicians' activity in Australia per year, who each record details of 100 consecutive patient encounters. This provided records of approximately 100,000 encounters each year. Read More

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http://dx.doi.org/10.5664/jcsm.6616DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5443739PMC
June 2017
4 Reads

Young children with Down syndrome show normal development of circadian rhythms, but poor sleep efficiency: a cross-sectional study across the first 60 months of life.

Sleep Med 2017 05 10;33:134-144. Epub 2017 Feb 10.

Department of Psychology, University of Arizona, Tucson, USA; Sonoran University Center for Excellence in Developmental Disabilities, University of Arizona, Tucson, USA.

Objectives: To evaluate sleep consolidation and circadian activity rhythms in infants and toddlers with Down syndrome (DS) under light and socially entrained conditions within a familiar setting. Given previous human and animal data suggesting intact circadian regulation of melatonin across the day and night, it was hypothesized that behavioral indices of circadian rhythmicity would likewise be intact in the sample with DS.

Methods: A cross-sectional study of 66 infants and young children with DS, aged 5-67 months, and 43 typically developing age-matched controls. Read More

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http://dx.doi.org/10.1016/j.sleep.2016.12.026DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5423393PMC
May 2017
3 Reads

Effects of Melatonin and Bright Light Treatment in Childhood Chronic Sleep Onset Insomnia With Late Melatonin Onset: A Randomized Controlled Study.

Sleep 2017 Feb;40(2)

Research Institute of Child Development and Education, University of Amsterdam,Amsterdam,The Netherlands.

Study Objectives: Chronic sleep onset insomnia with late melatonin onset is prevalent in childhood, and has negative daytime consequences. Melatonin treatment is known to be effective in treating these sleep problems. Bright light therapy might be an alternative treatment, with potential advantages over melatonin treatment. Read More

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https://academic.oup.com/sleep/article/2666484/Effects
Publisher Site
http://dx.doi.org/10.1093/sleep/zsw038DOI Listing
February 2017
9 Reads

A Study of Biological Rhythm Disturbances in Polish Remitted Bipolar Patients using the BRIAN, CSM, and SWPAQ Scales.

Neuropsychobiology 2016 25;74(2):125-130. Epub 2017 Mar 25.

Department of Adult Psychiatry, Poznan University of Medical Sciences, Poznan, Poland.

Background/aims: The Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN) is a novel tool allowing for a complex assessment of biological rhythms. We compared patients with bipolar disorder (BD) and healthy control subjects (HC) using the Polish version of the BRIAN scale.

Method: Fifty-four remitted BD patients (17 males and 37 females aged 52 ± 13 years) and 54 healthy control subjects (25 males and 29 females aged 42 ± 14 years) were studied. Read More

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http://dx.doi.org/10.1159/000458527DOI Listing
April 2017
10 Reads

Correcting delayed circadian phase with bright light therapy predicts improvement in ADHD symptoms: A pilot study.

J Psychiatr Res 2017 08 6;91:105-110. Epub 2017 Mar 6.

Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA. Electronic address:

Attention-deficit/hyperactivity disorder (ADHD) is a common condition with comorbid insomnia reported in >70% of children and adults. These patients demonstrate delays in sleep-wake rhythms, nocturnal rise in melatonin, and early morning rise in cortisol. Given that standard psychopharmacologic treatments for ADHD often do not completely control symptoms in participants with circadian rhythm delay, we sought to test whether bright light therapy (BLT) advances circadian rhythms and further reduces ADHD symptoms over standard treatments. Read More

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http://dx.doi.org/10.1016/j.jpsychires.2017.03.004DOI Listing
August 2017
14 Reads

Heart rate variability in insomnia patients: A critical review of the literature.

Sleep Med Rev 2017 06 28;33:88-100. Epub 2016 Jun 28.

Sydney Nursing School, University of Sydney, Australia; CIRUS, Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, NSW, Australia. Electronic address:

Heart rate variability (HRV) is an objective marker that provides insight into autonomic nervous system dynamics. There is conflicting evidence regarding the presence of HRV impairment in insomnia patients. Web-based databases were used to systematically search the literature for all studies that compared the HRV of insomnia patients to controls or reported the HRV of insomnia patients before and after an intervention. Read More

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http://dx.doi.org/10.1016/j.smrv.2016.06.004DOI Listing
June 2017
37 Reads

Insomnia and Risk of Cardiovascular Disease.

Chest 2017 08 30;152(2):435-444. Epub 2017 Jan 30.

Department of Medicine, Division of Sleep, Circadian Rhythm, and Neurobiology, Brigham and Women's Hospital, Boston, MA; Department of Medicine, Division of Sleep, Beth Israel Deaconess Medical Center, Boston, MA.

Insomnia is the most prevalent sleep disorder in the United States and has high comorbidity with a number of cardiovascular diseases (CVDs). In the past decade, a number of observational studies have demonstrated an association between insomnia and incident cardiovascular disease (CVD) morbidity and mortality, including hypertension (HTN), coronary heart disease (CHD), and heart failure (HF). Despite some inconsistencies in the literature, likely due to variations in how insomnia is defined and measured, the existing data suggest that insomnia, especially when accompanied by short sleep duration, is associated with increased risk for HTN, CHD and recurrent acute coronary syndrome, and HF. Read More

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http://dx.doi.org/10.1016/j.chest.2017.01.026DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5577359PMC
August 2017
16 Reads

Management of sleep disorders in Parkinson's disease and multiple system atrophy.

Mov Disord 2017 05 24;32(5):659-668. Epub 2017 Jan 24.

Movement Disorders Unit and Division of Sleep Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Parkinson's disease (PD) and multiple system atrophy (MSA) are disorders associated with α synuclein-related neurodegeneration. Nonmotor symptoms are common hallmarks of these disorders, and disturbances of the sleep-wake cycle are among the most common nonmotor symptoms. It is only recently that sleep disturbances have received the attention of the medical and research community. Read More

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http://dx.doi.org/10.1002/mds.26918DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5435534PMC
May 2017
14 Reads

Sleep during an Antarctic summer expedition: new light on "polar insomnia".

J Appl Physiol (1985) 2017 Apr 12;122(4):788-794. Epub 2017 Jan 12.

Human Physiology and Sports Medicine, Vrije Universiteit Brussels, Brussels, Belgium.

Sleep complaints are consistently cited as the most prominent health and well-being problem in Arctic and Antarctic expeditions, without clear evidence to identify the causal mechanisms. The present investigation aimed at studying sleep and determining circadian regulation and mood during a 4-mo Antarctic summer expedition. All data collection was performed during the continuous illumination of the Antarctic summer. Read More

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http://dx.doi.org/10.1152/japplphysiol.00606.2016DOI Listing
April 2017
15 Reads

Mapping the illness trajectories of insomnia: a biographical disruption?

Sociol Health Illn 2017 06 7;39(5):659-679. Epub 2016 Dec 7.

Centre for Values, Ethics and the Law in Medicine, University of Sydney, Sydney, NSW, Australia.

The insomnia illness experience can be conceptualised as a form of biographical disruption. Using a critical interpretive phenomenological lens 51 in-depth semi-structured interviews were conducted with patients from specialist sleep and psychology clinics (n = 22) and the general community (n = 29). Patients' narratives revealed key phases of their illness trajectories as they recognise, rethink and respond to insomnia. Read More

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http://dx.doi.org/10.1111/1467-9566.12525DOI Listing
June 2017
3 Reads

Individual and socio-demographic factors related to presenting problem and diagnostic impressions at a pediatric sleep clinic.

Sleep Med 2016 09 11;25:67-72. Epub 2016 Aug 11.

The Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104; Saint Joseph's University, 5600 City Avenue, Philadelphia, PA 19131.

Objective: Individual and socio-demographic factors have been found to be associated with sleep disturbances in children. Few studies have examined these factors among children presenting for care at pediatric sleep clinics. This study examined individual and socio-demographic factors in association with presenting problems and diagnostic impressions for new patients at an interdisciplinary pediatric sleep clinic. Read More

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http://dx.doi.org/10.1016/j.sleep.2016.06.017DOI Listing
September 2016
6 Reads

Altered nocturnal blood pressure profiles in women with insomnia disorder in the menopausal transition.

Menopause 2017 03;24(3):278-287

1Center for Health Sciences, SRI International, Menlo Park, CA 2Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, Victoria, Australia 3Division of Education, SRI International, Menlo Park, CA 4Brain Function Research Group, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa.

Objective: Insomnia disorder is a risk factor for cardiovascular (CV) pathology. It is unknown whether insomnia that develops in the context of the menopausal transition (MT) impacts the CV system. We assessed nocturnal blood pressure (BP) and heart rate (HR) profiles in women with insomnia disorder in the MT. Read More

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http://dx.doi.org/10.1097/GME.0000000000000754DOI Listing
March 2017
8 Reads

Increased Mortality in Relation to Insomnia and Obstructive Sleep Apnea in Korean Patients Studied with Nocturnal Polysomnography.

J Clin Sleep Med 2017 01 15;13(1):49-56. Epub 2017 Jan 15.

Department of Psychiatry and Center for Sleep and Chronobiology, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea.

Study Objectives: To elucidate the links between the two most prevalent sleep disorders, insomnia and obstructive sleep apnea (OSA), and mortality.

Methods: We studied 4,225 subjects who were referred to the Center for Sleep and Chronobiology, Seoul National University Hospital, from January 1994 to December 2008. We divided the subjects into five groups: mild OSA (5 ≤ AHI < 15), moderate OSA (15 ≤ AHI < 30), severe OSA (AHI ≥ 30), insomnia, and a no-sleep-disorder group consisting of subjects without sleep disorders. Read More

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http://jcsm.aasm.org/ViewAbstract.aspx?pid=30917
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http://dx.doi.org/10.5664/jcsm.6386DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5181613PMC
January 2017
10 Reads

I Keep a Close Watch on This Heart of Mine: Increased Interoception in Insomnia.

Sleep 2016 Dec 1;39(12):2113-2124. Epub 2016 Dec 1.

Department of Sleep and Cognition, Netherlands Institute for Neuroscience (NIN), an institute of the Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands.

Study Objectives: Whereas both insomnia and altered interoception are core symptoms in affective disorders, their neural mechanisms remain insufficiently understood and have not previously been linked. Insomnia Disorder (ID) is characterized by sensory hypersensitivity during wakefulness and sleep. Previous studies on sensory processing in ID addressed external stimuli only, but not interoception. Read More

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http://dx.doi.org/10.5665/sleep.6308DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5103799PMC
December 2016
16 Reads
6 Citations
4.591 Impact Factor