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Degasperi G, Meneo D, Curati S, Cardi V, Baglioni C, Cellini N. Sleep quality in eating disorders: A systematic review and meta-analysis. Sleep Med Rev 2024; 77:101969. [PMID: 38959584 DOI: 10.1016/j.smrv.2024.101969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 06/04/2024] [Accepted: 06/12/2024] [Indexed: 07/05/2024]
Abstract
Eating disorders (ED) are psychological disorders characterized by dangerous eating behaviours, including protracted fasting and binge eating. Mental disorders comorbidities (e.g., anxiety and depression), as well as sleep difficulties, are common and might interfere with treatment response. This work investigated sleep quality, circadian preferences, and sleep disorders in ED patients compared to healthy controls (HC) and the impact of ED treatment on patients' sleep. A literature search on Pubmed, Web of Science, Medline, and PsychInfo included 27 studies. Random effect analyses were performed (sample eating disorders = 711; sample healthy controls = 653) and subgroup analyses were calculated based on the ED subgroups: Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder. Whole sample analyses showed poorer physiological and subjective sleep quality in patients. Subgroup analyses showed that poorer physiological sleep was present only in anorexia nervosa. Two studies reporting circadian preferences and sleep disorders showed higher evening preference in patients and no differences in apnea prevalence between patients and healthy controls, respectively. Some studies suggested that specialized eating disorder treatments (e.g., Cognitive Behavioural Therapy for ED) can improve sleep quality in patients. Although these findings highlight poorer sleep in patients with ED compared to healthy controls, the mechanisms underlying sleep alterations in eating disorders remain to be identified.
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Affiliation(s)
- Giorgia Degasperi
- Department of General Psychology, University of Padova, Padova, Italy.
| | - Debora Meneo
- Department of Human Sciences, Guglielmo Marconi University, Rome, Italy
| | - Sara Curati
- Department of Human Sciences, Guglielmo Marconi University, Rome, Italy
| | - Valentina Cardi
- Department of General Psychology, University of Padova, Padova, Italy
| | - Chiara Baglioni
- Department of Human Sciences, Guglielmo Marconi University, Rome, Italy; Department of Psychiatry & Psychotherapy, University of Freiburg Medical Center, Freiburg, Germany
| | - Nicola Cellini
- Department of General Psychology, University of Padova, Padova, Italy
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2
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Smith LL. Similarities and differences regarding acute anorexia nervosa and semi-starvation: does behavioral thermoregulation play a central role? Front Behav Neurosci 2023; 17:1243572. [PMID: 37953827 PMCID: PMC10634530 DOI: 10.3389/fnbeh.2023.1243572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/22/2023] [Indexed: 11/14/2023] Open
Abstract
Objective To clarify the association between acute anorexia nervosa (AN) and semi-starvation (SS) by focusing on similarities and differences in physiology, mood, and behavior. Method A comparison of published literature between these two groups. Results Both groups show similar hormonal and metabolic changes in response to caloric restriction and extreme weight loss (~25%). Associated changes result in a reduced body temperature (Tcore-low). Maintenance of body temperature within a specific range is crucial to survival. However, both groups cannot activate autonomic strategies to maintain their Tcore-low, such as increasing metabolic rate, constricting skin blood vessels, or shivering. Furthermore, Tcore-low increases the individuals' "coldness sensations" throughout the body, hence the frequent reports from ANs and SSs of "feeling cold." To eliminate these uncomfortable "coldness sensations" and, importantly, to maintain Tcore-low, ANs, and SSs "select" different thermoregulatory behavioral strategies. It is proposed that the primary differences between AN and SS, based on genetics, now manifest due to the "selection" of different thermo-regulatory behaviors. AN patients (ANs) "select" hyperactive behavior (HyAc), which increases internal metabolic heat and thus assists with maintaining Tcore-low; in harmony with hyperactive behavior is a lively mood. Also related to this elevated arousal pattern, ANs experience disrupted sleep. In contrast, SS individuals "select" a passive thermo-behavioral strategy, "shallow torpor," which includes reduced activity, resulting in energy conservation. In addition, this inactivity aids in the retention of generated metabolic heat. Corresponding to this lethargic behavior, SS individuals display a listless mood and increased sleep. Conclusion Initial similarities between the two are attributable to physiological changes related to extreme weight loss. Differences are most likely attributable to genetically programmed "selection" of alternate thermoregulatory strategies, primarily to maintain Tcore-low. However, if acute AN is prolonged and evolves into a chronic condition, AN will more closely align with starvation and more precisely reflect SS symptomology.
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Affiliation(s)
- Lucille Lakier Smith
- Human Performance Laboratory, Department of Kinesiology, School of Health Sciences, East Carolina University, Greenville, NC, United States
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3
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Lim M, Kou R, Esposito G, Jawed A, Dimitriou D, Mangar SA. Exploring the Relationship between Disordered Sleep and Mood in Male Anorexia Nervosa: An Actigraphy Study. Nutrients 2023; 15:2176. [PMID: 37432391 DOI: 10.3390/nu15092176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/25/2023] [Accepted: 04/28/2023] [Indexed: 07/12/2023] Open
Abstract
Eating disorders (EDs), including anorexia nervosa (AN), are severe psychological disorders that affect individuals' eating behaviours and body perception. Previous research has shown that people with EDs often report poorer sleep. Some literature has suggested that it is mood dysregulation that mediates the link between EDs and sleep. However, the majority of previous studies only focused on females, while male ED patients have been overlooked. Therefore, the present study aimed to investigate the relationships between EDs, mood, and sleep among male ED patients. Using a mixture of actigraphy recordings and self-reported questionnaires, the current study analysed a total 33 adult male participants diagnosed with AN. The participants first wore an actigraphy device for seven continuous days, following which their ED severity and mood were assessed by the Eating Disorder Examination Questionnaire (EDE-Q) and Depression Anxiety Stress Scale (DASS), respectively. The descriptive actigraphy results suggested that, similar to females, males with AN also showed disturbed sleep, including insomnia, sleep fragmentation, low sleep efficiency, and increased napping sessions. However, when ED severity was correlated against actigraphy data and mood, no significant relationships were found between them. Thus, it was suggested that future studies may investigate discrete ED symptoms instead of global ED severity interacting with sleep and mood. Overall, this study represents an initial step in the investigation of EDs and sleep and mood dysregulation among an under-represented sample.
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Affiliation(s)
- Mengyu Lim
- Psychology Program, School of Social Sciences, Nanyang Technological University, 48 Nanyang Avenue, Singapore 639818, Singapore
| | - Ruoxin Kou
- Sleep Education and Research Laboratory, UCL Institute of Education, London WC1H 0AA, UK
| | - Gianluca Esposito
- Affiliative Behaviour and Physiology Lab, Department of Psychology and Cognitive Science, University of Trento, 84 Corso Bettini, 38068 Rovereto, Italy
| | - Aisha Jawed
- Sleep Education and Research Laboratory, UCL Institute of Education, London WC1H 0AA, UK
| | - Dagmara Dimitriou
- Sleep Education and Research Laboratory, UCL Institute of Education, London WC1H 0AA, UK
| | - Stephen A Mangar
- Department of Clinical Oncology, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London W6 8RF, UK
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Hebebrand J, Denecke S, Antel J. The Role of Leptin in Rodent and Human Sleep: A Transdiagnostic Approach with a Particular Focus on Anorexia Nervosa. Neurosci Biobehav Rev 2023; 149:105164. [PMID: 37031924 DOI: 10.1016/j.neubiorev.2023.105164] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/16/2023] [Accepted: 04/06/2023] [Indexed: 04/11/2023]
Abstract
This narrative review addressed to both clinicians and researchers aims to assess the role of hypoleptinemia in disordered sleep with a particular focus on patients with anorexia nervosa (AN). After introducing circadian rhythms and the regulation of circulating leptin, we summarize the literature on disordered sleep in patients with AN and in fasting subjects in general. We highlight novel single-case reports of substantially improved sleep within days after initiation of off-label metreleptin treatment. These beneficial effects are set in relationship to current knowledge of disordered sleep in animal models of an impaired leptin signaling. Specifically, both absolute and relative hypoleptinemia play a major role in animal models for insomnia, obstructive sleep apnea and obesity hypoventilation syndrome. We pinpoint future research required to complement our understanding of the role of leptin in sleep in patients with acute AN. Moreover, within the section clinical applications we speculate that human recombinant leptin may be useful for the treatment of treatment-resistant sleep-wake disorders, which are associated with (relative) hypoleptinemia. Overall, we stress the role of the hormone leptin in sleep.
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Affiliation(s)
- Johannes Hebebrand
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Centre for Translational Neuro- and Behavioral Sciences, University Hospital Essen, University of Duisburg-Essen, Germany
| | - Saskia Denecke
- Department of Clinical Psychology and Psychotherapy, University of Hamburg, Germany
| | - Jochen Antel
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Centre for Translational Neuro- and Behavioral Sciences, University Hospital Essen, University of Duisburg-Essen, Germany
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Langlet B, Vestermark F, Stolt J, Zandian M, Södersten P, Bergh C. Physical activity and sleep during the first week of anorexia nervosa inpatient care. PLoS One 2021; 16:e0260077. [PMID: 34784383 PMCID: PMC8594819 DOI: 10.1371/journal.pone.0260077] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 11/02/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Individuals with Anorexia Nervosa are often described as restless, hyperactive and having disturbed sleep. The result reproducibility and generalisability of these results are low due to the use of unreliable methods, different measurement methods and outcome measures. A reliable method to measure both physical activity and sleep is through accelerometry. The main purpose of the study was to quantify the physical activity and sleeping behaviour of anorexia nervosa patients. Another purpose was to increase result reproducibility and generalisability of the study. MATERIAL AND METHODS Accelerometer data were collected from the first week of treatment of anorexia nervosa at an inpatient ward. Raw data from the Axivity AX3© accelerometer was used with the open-source package GGIR for analysis, in the free statistical software R. Accelerometer measurements were transformed into euclidean norm minus one with negative values rounded to zero (ENMO). Physical activity measurements of interest were 24h average ENMO, daytime average ENMO, inactivity, light activity, moderate activity, and vigorous activity. Sleep parameters of interest were sleep duration, sleep efficiency, awakenings, and wake after sleep onset. The sleep duration of different age groups was compared to recommendations by the National Sleep Foundation using a Fisher's exact test. RESULTS Of 67 patients, due to data quality 58 (93% female) were included in the analysis. Average age of participants was 17.8 (±6.9) years and body mass index was 15.5 (±1.9) kg/m2. Daytime average ENMO was 17.4 (±5.1) mg. Participants spent 862.6 (±66.2) min per day inactive, 88.4 (±22.6) min with light activities, 25.8 (±16.7) min with moderate activities and 0.5 (±1.8) min with vigorous activities. Participants slept for 461.0 (±68.4) min, waking up 1.45 (±1.25) times per night for 54.6 (±35.8) min, having an average sleep quality of 0.88 (±0.10). 31% of participants met sleep recommendations, with a significantly higher number of 6-13 year old patients failing to reach recommendations compared to 14-25 year old patients. CONCLUSION The patient group spent most of their time inactive at the beginning of treatment. Most patients failed to reach sleep recommendations. The use of raw data and opensource software should ensure result reproducibility, enable comparison across points in treatment and comparison with healthy individuals.
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Affiliation(s)
- Billy Langlet
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Fannie Vestermark
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | | | - Modjtaba Zandian
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Per Södersten
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
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Sleep problems and complexity of mental health needs in adolescent psychiatric inpatients. J Psychiatr Res 2021; 139:8-13. [PMID: 34004554 DOI: 10.1016/j.jpsychires.2021.05.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 04/15/2021] [Accepted: 05/01/2021] [Indexed: 11/21/2022]
Abstract
Sleep problems are highly co-morbid with psychiatric disorders and are part of the complex and multiple factors contributing to symptoms and functional disability. The current study aimed to determine how sleep problems in the period preceding psychiatric admission relate to profiles of mental health needs in adolescent inpatients. This retrospective study included 424 adolescents (13-17 years) admitted over a five-year period to an acute crisis stabilization unit in a tertiary care pediatric hospital. Adolescents were divided into two age- and sex-matched groups based on the presence of moderate to severe sleep problems. Profiles of mental health needs were assessed at admission using the Child and Adolescent Needs and Strengths - Mental Health Acute (CANS-MH) and a complexity score was calculated as the total number of actionable CANS-MH items. Results showed a positive association between sleep problems and needs pertaining to eating disturbances, adjustment to trauma, and school attendance. Odds ratios for sleep problems increased progressively as the complexity scores increased, reaching a plateau at six needs beyond which odds ratios remained at their highest level. Adolescents with sleep problems were more likely to undergo medication changes during psychiatric hospitalization and were more likely to be discharged with antipsychotic medication. These findings suggest that sleep difficulties in adolescent inpatients may be associated with distinct and more complex profiles of mental health needs. The evaluation of sleep problems early in the course of psychiatric hospitalization may be an important part of the psychiatric assessment process to inform the global treatment plan.
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Duan D, Gu C, Polotsky VY, Jun JC, Pham LV. Effects of Dinner Timing on Sleep Stage Distribution and EEG Power Spectrum in Healthy Volunteers. Nat Sci Sleep 2021; 13:601-612. [PMID: 34017207 PMCID: PMC8131073 DOI: 10.2147/nss.s301113] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/13/2021] [Indexed: 02/05/2023] Open
Abstract
PURPOSE Eating time and sleep habits are important modifiable behaviors that affect metabolic health, but the relationship between food intake and sleep remains incompletely understood. Observational data suggest that late food intake is associated with impaired sleep quality. We examined the effect of routine dinner (RD, 5 hours before bedtime) vs late dinner (LD, 1 hour before bedtime) on sleep architecture in healthy volunteers. PARTICIPANTS AND METHODS This was a post hoc analysis of a randomized crossover study of RD vs LD with a fixed sleep opportunity in a laboratory setting. On each of the two visits, 20 healthy adult volunteers (10 women) received an isocaloric meal followed by overnight polysomnography. Sleep architecture over the course of the night was assessed using visual sleep staging and EEG spectral power analysis and was compared between RD and LD. We modeled the proportions of spectral power in alpha, beta, delta, and theta bands as functions of dinner timing, time of night, and their interaction with mixed-effect spline regression. RESULTS Conventional sleep stages were similar between the 2 visits. LD caused a 2.5% initial increase in delta power and a reciprocal 2.7% decrease in combined alpha and beta power (p<0.0001). These effects diminished as sleep continued with a reversal of these patterns in the latter part of the night. CONCLUSION Contrary to the existing literature, shifting dinner timing from 5 hours before sleep to 1 hour before sleep in healthy volunteers did not result in significant adverse changes in overnight sleep architecture. In fact, LD was associated with deeper sleep in the beginning of the night and lighter sleep in the latter part of the night in healthy volunteers. This novel manifestation of postprandial hypersomnia may have therapeutic potential in patients with sleep disorders.
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Affiliation(s)
- Daisy Duan
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Chenjuan Gu
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Vsevolod Y Polotsky
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jonathan C Jun
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Luu V Pham
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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8
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Roura I, Fraga Á, Gutiérrez E. Differential effects of heat in the phases of the light-dark cycle in the activity-based anorexia model. Int J Eat Disord 2020; 53:1826-1835. [PMID: 32827352 DOI: 10.1002/eat.23363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/09/2020] [Accepted: 07/27/2020] [Indexed: 12/29/2022]
Abstract
BACKGROUND This research builds on the studies on ambient temperature as a key influence in the recovery of rodents exposed to the activity-based anorexia (ABA) model. The ABA model is an experimental paradigm in which rodents under a restricted feeding schedule and with free access to an activity wheel show signs that parallel those of anorexia nervosa in humans. OBJECTIVE The present study focuses on the effects of applying heat during the different phases of the dark-light cycle in the activity levels, body weight, food intake, body temperature, and recovery rates of 30 male rats submitted to ABA. METHOD After reaching a 20% weight loss criterion, animals were randomly assigned to three experimental conditions: (a) continuous warming, (b) warming exclusively during the light phase, or (c) warming exclusively during the dark phase. RESULTS Differential effects were found depending on the modalities of warming: in comparison with either light or dark warming, continuous warming significatively decreased activity, facilitated weight gain, and maintained body temperature. Transient effects of warming were found both in the groups warmed either during light or dark periods exclusively. DISCUSSION The results suggest that both light and dark warming did not promote recovery in animals exposed to ABA. Evidence about the beneficial effects of continuous warming are in line with previous research and reinforces adding external heat as a useful tool in the treatment of anorexia nervosa.
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Affiliation(s)
- Ignacio Roura
- Departamento de Psicoloxía Clínica e Psicobioloxía, Facultade de Psicoloxía, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Ángela Fraga
- Departamento de Psicoloxía Clínica e Psicobioloxía, Facultade de Psicoloxía, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Emilio Gutiérrez
- Departamento de Psicoloxía Clínica e Psicobioloxía, Facultade de Psicoloxía, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.,Unidad Venres Clínicos, Facultade de Psicoloxía, Universidade de Santiago, Santiago de Compostela, Spain
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9
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Cooper AR, Loeb KL, McGlinchey EL. Sleep and eating disorders: current research and future directions. Curr Opin Psychol 2020; 34:89-94. [DOI: 10.1016/j.copsyc.2019.11.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/03/2019] [Accepted: 11/20/2019] [Indexed: 11/28/2022]
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Mason TB, Engwall A, Mead MP, Irish LA. Sleep and eating disorders among adults enrolled in a commercial weight loss program: associations with self-report and objective sleep measures. Eat Weight Disord 2019; 24:307-312. [PMID: 30852800 DOI: 10.1007/s40519-019-00664-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 02/27/2019] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Some research suggests that eating disorders are related to poor sleep health. To increase knowledge on the relation between sleep and eating disorders, we used a multi-method approach to examine associations between sleep, chronotype, and eating disorder psychopathology. METHODS We investigated associations between ED psychopathology, both diagnostic categories (ascertained through self-report data) and dimensional measures, and self-report and ambulatory measures of sleep. Adults currently enrolled in a commercial weight loss program completed self-report measures as well as 1 week of ambulatory sleep monitoring and sleep diaries. RESULTS Participants with full- or sub-threshold bulimia nervosa and binge eating disorder reported significantly lower subjective sleep health and greater eveningness. Additionally, greater severity of eating disorder psychopathology was associated with lower subjective sleep health and greater eveningness. Eating disorder psychopathology was generally not related to objective sleep measures. Regarding diary measures, global eating disorder psychopathology was negatively correlated with subjective reports of feeling rested. CONCLUSION Eating disorder psychopathology is associated with participants' subjective sense of sleep quality, but appears to have little relation to objective sleep characteristics. Level of evidence Level V, descriptive study.
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Affiliation(s)
- Tyler B Mason
- Department of Preventive Medicine, University of Southern California, 2001 N. Soto Street, Los Angeles, CA, 90032, USA.
| | - Allison Engwall
- Department of Psychology, North Dakota State University, Fargo, ND, USA
| | - Michael P Mead
- Department of Psychology, North Dakota State University, Fargo, ND, USA
| | - Leah A Irish
- Department of Psychology, North Dakota State University, Fargo, ND, USA.,Sanford Research, Fargo, ND, USA
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Shiri-Shahsavar M, Rasouli A, Javadi M, Mohiti S, Shahsavari S, Kamali K. Eating disorder risk, sleep status, and anthropometric indices among teenage female students. SOCIAL HEALTH AND BEHAVIOR 2019. [DOI: 10.4103/shb.shb_37_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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12
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The Role of Objectively Measured, Altered Physical Activity Patterns for Body Mass Index Change during Inpatient Treatment in Female Patients with Anorexia Nervosa. J Clin Med 2018; 7:jcm7090289. [PMID: 30231527 PMCID: PMC6162412 DOI: 10.3390/jcm7090289] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/10/2018] [Accepted: 09/12/2018] [Indexed: 01/31/2023] Open
Abstract
Increased physical activity (PA) affects outcomes in patients with anorexia nervosa (AN). To objectively assess PA patterns of hospitalized AN patients in comparison with healthy, outpatient controls (HC), and to analyze the effect of PA on Body Mass Index (BMI) change in patients with AN, we measured PA in 50 female patients with AN (median age = 25 years, range = 18–52 years; mean BMI = 14.4 ± 2.0 kg/m2) at the initiation of inpatient treatment and in 30 female healthy controls (median age = 26 years, range = 19–53 years; mean BMI = 21.3 ± 1.7 kg/m2) using the SenseWear™ armband. Duration of inpatient stay and weight at discharge were abstracted from medical records. Compared with controls, AN patients spent more time in very light-intensity physical activity (VLPA) (median VLPA = 647 vs. 566 min/day, p = 0.004) and light-intensity physical activity (LPA) (median LPA = 126 vs. 84 min/day, p < 0.001) and less time in moderate-intensity physical activity (MPA) (median MPA = 82 vs. 114 min/day, p = 0.022) and vigorous physical activity (VPA) (median VPA = 0 vs. 16 min/day, p < 0.001). PA and BMI increase were not associated in a linear model, and BMI increase was mostly explained by lower admission BMI and longer inpatient stay. In a non-linear model, an influence of PA on BMI increase seemed probable (jack knife validation, r2 = 0.203; p < 0.001). No direct association was observed between physical inactivity and BMI increase in AN. An altered PA pattern exists in AN patients compared to controls, yet the origin and consequences thereof deserve further investigation.
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[Adolescent sleep disorders associated with school absenteeism: The child and adolescent psychiatrist is often crucial for effective management in sleep consultation]. Encephale 2018; 45:82-89. [PMID: 30122297 DOI: 10.1016/j.encep.2018.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 06/09/2018] [Accepted: 06/13/2018] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Adolescent sleep is characterized by a physiological delayed sleep phase disorder frequently exacerbated by the intensive use of information and communication technologies. The sleep restriction thus induced during schooling has consequences on the physical and psychological health of the adolescent. On the other hand, the sleep complaint may correspond to psychiatric disorders in the adolescent. Thus, when this complaint is associated with school absenteeism, the management of sleep alone is often insufficient. In order to understand the reason for this inefficiency, we wanted to better characterize the profile of these adolescents. METHOD We have developed a somnological and psychiatric "screening kit" resulting in a management decision tree. This kit was tested in 2017 as part of joint consultations at the Lyon Sleep Center in adolescents who presented a complaint of sleepiness or insomnia associated with school absenteeism. RESULTS These preliminary results on 11 patients show the predominance of a delayed sleep phase syndrome or an absence of sleep diagnosis associated in more than 90 % of cases with anxiety-depressive difficulties ranging from the mood depressive disorder to the school refusal behavior and underlying anxiety disorders. Somatization is also common. CONCLUSION These first data seem to confirm the need for a child and adolescent psychiatric assessment to deal with the psychological difficulties of these adolescents in parallel with their sleep complaint so as to offer them the best chances of improvement, re-schooling and social insertion.
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Abstract
Insomnia is related to an increased risk of eating disorders, while eating disorders are related to more disrupted sleep. Insomnia is also linked to poorer treatment outcomes for eating disorders. However, over the last decade, studies examining sleep and eating disorders have relied on surveys, with no objective measures of sleep for anorexia nervosa or bulimia nervosa, and only actigraphy data for binge eating disorder. Sleep disturbance is better defined for night eating syndrome, where sleep efficiency is reduced and melatonin release is delayed. Studies that include objectively measured sleep and metabolic parameters combined with psychiatric comorbidity data would help identify under what circumstances eating disorders and sleep disturbance produce an additive effect for symptom severity and for whom poor sleep would increase risk for an eating disorder. Cognitive behavior therapy for insomnia may be a helpful addition to treatment of those with both eating disorder and insomnia.
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Affiliation(s)
- Kelly C Allison
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA. .,Center for Weight and Eating Disorders, Department of Psychiatry, Perelman School of Medicine, 3535 Market St., 3rd Floor, Philadelphia, PA, 19104, USA.
| | - Andrea Spaeth
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA.,Center for Sleep and Circadian Neurobiology, Perelman School of Medicine, 504 Richards Medical Research Laboratories, 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Christina M Hopkins
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA.,Center for Weight and Eating Disorders, Department of Psychiatry, Perelman School of Medicine, 3535 Market St., 3rd Floor, Philadelphia, PA, 19104, USA
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15
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Baglioni C, Nanovska S, Regen W, Spiegelhalder K, Feige B, Nissen C, Reynolds CF, Riemann D. Sleep and mental disorders: A meta-analysis of polysomnographic research. Psychol Bull 2016; 142:969-990. [PMID: 27416139 PMCID: PMC5110386 DOI: 10.1037/bul0000053] [Citation(s) in RCA: 537] [Impact Index Per Article: 67.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Investigating sleep in mental disorders has the potential to reveal both disorder-specific and transdiagnostic psychophysiological mechanisms. This meta-analysis aimed at determining the polysomnographic (PSG) characteristics of several mental disorders. Relevant studies were searched through standard strategies. Controlled PSG studies evaluating sleep in affective, anxiety, eating, pervasive developmental, borderline and antisocial personality disorders, attention-deficit-hyperactivity disorder (ADHD), and schizophrenia were included. PSG variables of sleep continuity, depth, and architecture, as well as rapid-eye movement (REM) sleep were considered. Calculations were performed with the "Comprehensive Meta-Analysis" and "R" software. Using random effects modeling, for each disorder and each variable, a separate meta-analysis was conducted if at least 3 studies were available for calculation of effect sizes as standardized means (Hedges' g). Sources of variability, that is, sex, age, and mental disorders comorbidity, were evaluated in subgroup analyses. Sleep alterations were evidenced in all disorders, with the exception of ADHD and seasonal affective disorders. Sleep continuity problems were observed in most mental disorders. Sleep depth and REM pressure alterations were associated with affective, anxiety, autism and schizophrenia disorders. Comorbidity was associated with enhanced REM sleep pressure and more inhibition of sleep depth. No sleep parameter was exclusively altered in 1 condition; however, no 2 conditions shared the same PSG profile. Sleep continuity disturbances imply a transdiagnostic imbalance in the arousal system likely representing a basic dimension of mental health. Sleep depth and REM variables might play a key role in psychiatric comorbidity processes. Constellations of sleep alterations may define distinct disorders better than alterations in 1 single variable. (PsycINFO Database Record
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Affiliation(s)
- Chiara Baglioni
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | - Svetoslava Nanovska
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | - Wolfram Regen
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | - Kai Spiegelhalder
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | - Bernd Feige
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | - Christoph Nissen
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
| | | | - Dieter Riemann
- Department of Clinical Psychology and Psychophysiology, Center for Mental Disorders, University of Freiburg Medical Center, Germany
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El Ghoch M, Calugi S, Bernabè J, Pellegrini M, Milanese C, Chignola E, Dalle Grave R. Sleep Patterns Before and After Weight Restoration in Females with Anorexia Nervosa: A Longitudinal Controlled Study. EUROPEAN EATING DISORDERS REVIEW 2016; 24:425-9. [PMID: 27349363 DOI: 10.1002/erv.2461] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/06/2016] [Accepted: 05/31/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Marwan El Ghoch
- Department of Eating and Weight Disorders; Villa Garda Hospital; Via Monte Baldo Verona Italy
| | - Simona Calugi
- Department of Eating and Weight Disorders; Villa Garda Hospital; Via Monte Baldo Verona Italy
| | - Jasmine Bernabè
- Department of Eating and Weight Disorders; Villa Garda Hospital; Via Monte Baldo Verona Italy
| | - Massimo Pellegrini
- Department of Diagnostic, Clinical and Public Health; University of Modena and Reggio Emilia; Italy
| | - Chiara Milanese
- Department of Neurological and Movement Sciences; University of Verona; Italy
| | - Elisa Chignola
- Department of Eating and Weight Disorders; Villa Garda Hospital; Via Monte Baldo Verona Italy
| | - Riccardo Dalle Grave
- Department of Eating and Weight Disorders; Villa Garda Hospital; Via Monte Baldo Verona Italy
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Urrila AS, Paunio T, Palomäki E, Marttunen M. Sleep in adolescent depression: physiological perspectives. Acta Physiol (Oxf) 2015; 213:758-77. [PMID: 25561272 DOI: 10.1111/apha.12449] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 06/02/2014] [Accepted: 12/24/2014] [Indexed: 12/14/2022]
Abstract
Depression and disturbed sleep are intimately and bidirectionally related. During adolescence, the incidence of both insomnia and major depression increases simultaneously, in a gender-specific manner. The majority of depressed adolescents suffer from different types of subjective sleep complaints. Despite these complaints, the results from polysomnographic studies in depressed adolescents remain inconsistent. In general, similar features to those seen among adults with depressive disorder (e.g. abnormalities in rapid eye movement sleep and difficulties in sleep onset) have been reported, but expressed to a lesser degree. The inconsistency in findings may be linked with maturational factors, factors related to the stage of illness and greater heterogeneity in the clinical spectrum of depression among adolescents. The exact neurobiological mechanisms by which sleep alterations and depression are linked during adolescence are not fully understood. Aberrations in brain maturation, expressed at different levels of organization, for example gene expression, neurotransmitter and hormone metabolism, and activity of neuronal networks have been suggested. The circadian systems may change in adolescent depression beyond that observed during healthy adolescent development (i.e. beyond the typical circadian shift towards eveningness). A number of therapeutic approaches to alleviate sleep disruption associated with depression have been proposed, but research on the efficacy of these interventions in adolescents is lacking. Knowledge of the neurobiological links between sleep and depression during adolescence could lead to new insights into effective prevention and treatment of depression.
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Affiliation(s)
- A. S. Urrila
- Department of Health, Mental Health Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Adolescent Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
| | - T. Paunio
- Department of Health, Genomics and Biomarkers Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
| | - E. Palomäki
- Department of Physiology; Institute of Biomedicine; University of Helsinki; Helsinki Finland
| | - M. Marttunen
- Department of Health, Mental Health Unit; National Institute for Health and Welfare; Helsinki Finland
- Department of Adolescent Psychiatry; University of Helsinki and Helsinki University Central Hospital; Helsinki Finland
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Polysomnographic features of early-onset depression: a meta-analysis. J Affect Disord 2014; 158:11-8. [PMID: 24655760 DOI: 10.1016/j.jad.2013.12.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Revised: 10/22/2013] [Accepted: 12/01/2013] [Indexed: 11/20/2022]
Abstract
BACKGROUND Undiagnosed major depressive disorder (MDD) is associated with increased morbidity in children and adolescents. This study evaluated features of sleep macro- and microarchitecture assessed by polysomnography (PSG) as diagnostic markers for MDD in children and adolescents. METHODS MEDLINE, PSYCINFO, EMBASE and PUBMED were searched from their availability dates to March 1st, 2013. The literature search identified 932 abstracts of which 51 studies were retrieved and 28 were included in the analysis. Study design, features of sleep macro- and microarchitecture, demographic and clinical characteristics of study groups were extracted for each study. RESULTS There were modest differences on sleep macroarchitecture between children and adolescents with MDD and healthy controls. The most robust difference was found in sleep latency, 31% of adolescents with MDD had increased sleep latency. Age, suicidal ideation, suicidal behavior, and psychiatric comorbidities were significant predictors of sleep macroarchitecture. Modest differences were found for sleep microarchitecture, intrahemispheric and interhemispheric temporal coherence was decreased in a third of patients with MDD. Age was a significant predictor of sleep microarchitecture. LIMITATIONS This meta-analysis is limited by the small number of studies on sleep macroarchitecture in children with MDD and studies on sleep microarchitecture overall and by the heterogeneity in methodology between studies. CONCLUSIONS This synthetic review of the existing literature is among the largest to quantitatively assess impaired sleep as a diagnostic marker for MDD in children and adolescents. Knowledge of sleep macro- and microarchitecture in early-onset MDD may aid the clinician in developing a treatment strategy for MDD-related sleep symptoms in a subset of patients.
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20
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Disordered eating behaviors and sleep disturbances. Eat Behav 2013; 14:192-8. [PMID: 23557819 DOI: 10.1016/j.eatbeh.2013.01.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 01/08/2013] [Accepted: 01/30/2013] [Indexed: 01/10/2023]
Abstract
The aim of the present study was to investigate if disordered eating behaviors predicted the development of sleep disturbances. A total of 870 students participated at baseline, 592 one year later (T1) and 305 two years later (T2). The Eating Attitudes Test-40 was used to assess global disordered eating behaviors, dietary concerns (DC), bulimic behaviors (BB) and social pressure to eat (SPE). Sleep disturbances were assessed by two items related to difficulties initiating sleep (DIS) and maintaining sleep (DMS). A sleep disturbance index (SDI) was calculated by summing DIS and DMS scores. Results revealed that global disordered eating behaviors at baseline predicted DIS, DMS and SDI at T1 and T2. Students with increased BB and SPE scores at baseline were more likely to experience sleep onset and sleep maintenance difficulties in the long term. These results suggest that assessment and correction of eating behaviors might prevent sleep disturbances.
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21
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Abstract
Clinical applications of electroencephalography (EEG) are used with different objectives, EEG being a noninvasive and painless procedure. In respect of eating disorders, in the 1950s a new line of study about the neurological bases of anorexia nervosa was started and has since been developed. The purpose of this review is to update the existing literature data on the main findings in respect of EEG in eating disorders by means of a search conducted in PubMed. Despite the fact that weight gain tends to normalize some brain dysfunctions assessed by means of EEG, the specific effect of gaining weight remains controversial. Different studies have reported that cortical dysfunctions can be found in patients with anorexia nervosa even after weight gain, whereas others have reported a normalization of EEG in respect of the initial reduced alpha/ increased beta power in those patients with refeeding. Findings of studies that have analyzed the possible relationship between eating disorders and depression, based on sleep EEG disturbances, do not support the idea of eating disorders as a variant of depression or affective disorders. Some EEG findings are very consistent with previous neuroimaging results on patients with anorexia nervosa, reporting neural disturbances in response to stimuli that are relevant to the pathology (eg, stimuli like food exposure, different emotional situations, or body images).
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22
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Reigstad B, Jørgensen K, Sund AM, Wichstrøm L. Prevalences and correlates of sleep problems among adolescents in specialty mental health services and in the community: what differs? Nord J Psychiatry 2010; 64:172-80. [PMID: 19883190 DOI: 10.3109/08039480903282392] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AIMS Knowledge of sleep problems and their relationships among adolescent psychiatric patients is limited. This study investigated whether adolescents in specialty mental health care differ in rate and correlates of sleep problems from adolescents in a community sample; 2465 adolescents from a community sample were compared with a representative clinical sample of 129 adolescent patients. METHODS Comparisons were made on frequent sleep problems according to scores on the Youth Self-Report, the Mood and Feelings Questionnaire, and instruments assessing coping styles, stresses and family functioning. RESULTS Sleep problems were more frequent in the clinical sample than the community sample (31.3% vs. 5%). Sleeping little and being overtired were the most common sleep problems. Sleep problems were multivariately associated with internalizing problems in both samples. Poor family functioning and distractive coping were multivariately associated with sleep problems among adolescent patients, whereas depressive symptoms were multivariately associated in community adolescents. CONCLUSIONS Prevalences of sleep problems were high among adolescent patients. However, sleep problems may be in danger of being unnoticed in clinical practice. Clinicians should ask about such problems and be aware of possible connections with family functioning, depression and suicidality. Therapeutic interventions directed towards sleep problems should be considered.
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Affiliation(s)
- Bjørn Reigstad
- Department of Child and Adolescent Psychiatry, Nordlandssykehuset, Bodø, Norway.
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23
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Abstract
There is considerable research evidence suggesting that sleep is biologically linked to mood disorders in adults. However, polysomographic and neuroendocrine studies in children and adolescents have not found consistent changes in sleep architecture paralleling adult major depression. This review provides a detailed description of sleep research that has been conducted in early-onset affective disorders, uncovers the potential limitations of the available data, and formulates future research directions in this important subject.
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Affiliation(s)
- Anna Ivanenko
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Chicago, Chicago, IL, USA.
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24
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Abstract
Sleep research on eating disorders has addressed two major questions: (1) the effects of chronic starvation in anorexia nervosa and of rapidly fluctuating eating patterns in bulimia nervosa on the sleep regulating processes and (2) the search for a significant neurobiological relationship between eating disorders and major depression. At present, the latter question appears to be resolved, since most of the available evidences clearly underline the notion that eating disorders (such as anorexia and bulimia nervosa) and affective disorders are two distinct entities. Regarding the effects of starvation on sleep regulation, recent research in healthy humans and in animals demonstrates that such a condition results in a fragmentation of sleep and a reduction of slow wave sleep. Although several peptides are supposed to be involved in these regulatory processes (i.e. CCK, orexin, leptin), their mode of action is still poorly understood. In opposite to these experimentally induced sleep disturbances are the findings that the sleep patterns in eating disorder patients per se do not markedly differ from those in healthy subjects. However, when focusing on the so-called restricting anorexics, who maintain their chronic underweight by strictly dieting, the expected effects of malnutrition on sleep can be ascertained. Furthermore, at least partial weight restoration results in a 'deepening' of nocturnal sleep in the anorexic patients. However, our knowledge about the neurobiological systems (as well as their circadian pattern of activity) that transmit the effects of starvation and of weight restoration on sleep is still limited and should be extended to metabolic signals mediating sleep.
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Affiliation(s)
- Christoph J Lauer
- Sleep Disorders Center, Clinic Angermuehle, Angermuehle 8a/b, 94469 Deggendorf, Germany.
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25
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Pieters G, Theys P, Vandereycken W, Leroy B, Peuskens J. Sleep variables in anorexia nervosa: evolution with weight restoration. Int J Eat Disord 2004; 35:342-7. [PMID: 15048949 DOI: 10.1002/eat.10256] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Studies on sleep patterns in anorexia nervosa (AN) have yielded inconsistent results. Therefore, we have studied the evolution of subjective and objective sleep characteristics in AN patients before and after weight restoration. METHOD Thirty-four severely underweight AN inpatients of the restrictive subtype had a polysomnographic sleep registration at the time of admission and after weight restoration. Subjective sleep quality was also measured with self-report instruments. RESULTS Objective sleep variables did not change with weight restoration, whereas subjective quality of sleep did improve. Percentage of underweight at admission and amount of slow wave sleep were predictors of the length of time required for weight restoration. DISCUSSION The finding that weight restoration does not affect polysomnographic sleep variables in AN patients seems to contradict previous studies.
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Affiliation(s)
- Guido Pieters
- Department of Behavior Therapy, University Centre St. Jozef, Kortenberg, Belgium.
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26
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Hagenah U. Schlafstörungen bei kinder- und jugendpsychiatrischen Erkrankungen. ZEITSCHRIFT FUR KINDER-UND JUGENDPSYCHIATRIE UND PSYCHOTHERAPIE 2002. [DOI: 10.1024//1422-4917.30.3.185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Zusammenfassung: Schlafstörungen als Symptom zahlreicher kinder- und jugendpsychiatrischer Störungsbilder komplizieren häufig den Verlauf und die Behandlung der Grunderkrankung. Organische Störungen wie die Narkolepsie oder das Kleine-Levin-Syndrom können zu differentialdiagnostischen Schwierigkeiten und Fehleinschätzungen führen. Unklar ist, ob spezifische Veränderungen der Schlafarchitektur bereits im Kindes- und Jugendalter bestehen und damit als biologischer Trait-Marker für psychiatrische Erkrankungen zu verstehen sind. Während für das Erwachsenenalter die Bedeutung von Schlafstörungen vor allem für die Entwicklung späterer depressiver Störungen belegt werden konnte, ist derzeit offen, ob es sich bei persistierenden Schlafstörungen im Kindesalter um Vulnerabilitätsmarker für psychiatrische Erkrankungen handelt. In der vorliegenden Literaturübersicht sollen Wechselwirkungen zwischen Schlafstörung und psychischer Störung aufgezeigt und die Bedeutung der Berücksichtigung von Schlafstörungen für Diagnostik und Therapie kinder- und jugendpsychiatrischer Störungsbilder unterstrichen werden.
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Affiliation(s)
- U. Hagenah
- Klinik für Kinder- und Jugendpsychiatrie und -psychotherapie, Universitätsklinikum RWTH Aachen (Direktorin: Universitätsprofessorin Dr. med. B. Herpertz-Dahlmann)
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27
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Abstract
There is evidence that some Anorexia Nervosa (AN) patients have sleep abnormalities. No studies of their sleep-wake cycles in a natural environment have yet been reported. The purpose of this study was to evaluate an objective and subjective sleep-wake cycle of AN patients compared to a healthy age-equated control group (CON). Twenty-one AN female and sixteen CON female subjects were recruited. Sleep-wake patterns were monitored using ambulatory monitoring mini-actigraphs for one week. Each subject completed self-report questionnaires. The self-report questionnaires revealed significantly more sleep disturbances in AN than CON, whereas the ambulatory sleep data revealed no significant differences between the two groups in sleep-wake cycle.
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Affiliation(s)
- Y Latzer
- Rambam Medical Center, Haifa and Haifa University, Haifa, Israel.
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28
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Nobili L, Baglietto MG, De Carli F, Savoini M, Schiavi G, Zanotto E, Ferrillo F, De Negri M. A quantified analysis of sleep electroencephalography in anorectic adolescents. Biol Psychiatry 1999; 45:771-5. [PMID: 10188008 DOI: 10.1016/s0006-3223(98)00107-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Previous studies on sleep characteristics in anorexia nervosa have led to controversial results. This may be due to either the heterogeneity of the samples studied or to an intrinsic inadequacy of the scoring criteria. To obtain a more detailed analysis we have investigated sleep characteristics in a group of adolescents affected by anorexia nervosa using spectral analysis techniques. METHODS After a baseline night, the sleep-electroencephalograms of 10 adolescent anorectic girls (age +/- SD = 14 +/- 2 years) and 10 age-matched control subjects were recorded and processed by a fast Fourier transformation routine. RESULTS Anorectics showed an increased number of awakenings and wakefulness after sleep onset and a reduction of sleep efficiency and slow-wave sleep. Spectral analysis results revealed a significant reduction in the power spectral values of slow-wave activity (SWA; 0.5-4.5 Hz) band in all NREM-REM cycles of sleep and in the undisturbed and stable stage 4. Moreover the anorectic group was characterized by a concentration of SWA in the first NREM-REM cycle with an abrupt decay in the second part of the night. A positive correlation (r2 = .58, p < .01) between body mass index and the amount of SWA was found. CONCLUSIONS Sleep of anorectic patients seems to be characterized by a weakness of SWA producing mechanisms. The positive correlation between body mass index and the amount of SWA appears to be consistent with the neurobiological consequences of the malnutrition state.
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Affiliation(s)
- L Nobili
- Child Neuropsychiatry Department, University of Genoa, Gaslini Institute, Italy
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29
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Abstract
Several sleep complaints and disturbances have been documented in psychiatric disorders. These modifications of sleep in anxiety disorders, alcoholism, schizophrenia, dementia and eating disorders are reviewed and discussed. At the present time, there is no evidence for any specific sleep pattern in non-affective psychiatric disorders. The co-morbidity of sleep disorders like sleep apnoea, periodic leg movements and parasomnia in psychiatric illness is not very well known at the present time.
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Affiliation(s)
- M Kerkhofs
- Sleep Laboratory, Erasme Hospital, Université Libre de Bruxelles, Route de Lennik 808, 1070 Brussels, Belgium
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30
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Touyz S, Jackson C, O'Kearney R, Thornton C, Russell J, Beumont P. The Theme of Death in Dreams of Patients with Anorexia Nervosa: Four Selected Contemporaneous Case Histories. EUROPEAN EATING DISORDERS REVIEW 1996. [DOI: 10.1002/(sici)1099-0968(199612)4:4<206::aid-erv137>3.0.co;2-l] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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31
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Abstract
Psychiatric disorders are some of the most common causes of sleep-related complaints, particularly insomnia. Sleep abnormalities may be caused by CNS abnormalities associated with psychiatric illnesses as well as by accompanying behavioral disturbances. Although sleep patterns are not necessarily diagnostic of particular psychiatric disorders, there are relationships between certain sleep abnormalities and categories of psychiatric disorders. Sleep disturbances associated with psychiatric disorders and general approaches to treatment are reviewed.
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Affiliation(s)
- R M Benca
- Department of Psychiatry, University of Wisconsin-Madison, USA
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32
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Abstract
The chronic effects of antidepressant drugs (ADs) on circadian rhythms of behavior, physiology and endocrinology are reviewed. The timekeeping properties of several classes of ADs, including tricyclic antidepressants, selective serotonin reuptake inhibitors, monoamine oxidase inhibitors, serotonin agonists and antagonists, benzodiazepines, and melatonin are reviewed. Pharmacological effects on the circadian amplitude and phase, as well as effects on day-night measurements of motor activity, sleep-wake, body temperature (Tb), 3-methoxy-4-hydroxyphenylglycol, cortisol, thyroid hormone, prolactin, growth hormone and melatonin are examined. ADs often lower nocturnal Tb and affect the homeostatic regulation of sleep. ADs often advance the timing and decrease the amount of slow wave sleep, reduce rapid eye movement sleep and increase or decrease arousal. Together, AD effects on nocturnal Tb and sleep may be related to their therapeutic properties. ADs sometimes delay nocturnal cortisol timing and increase nocturnal melatonin, thyroid hormone and prolactin levels; these effects often vary with diagnosis, and clinical state. The effects of ADs on the coupling of the central circadian pacemaker to photic and nonphotic zeitgebers are discussed.
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Affiliation(s)
- W C Duncan
- Clinical Psychobiology Branch, National Institute of Mental Health, NIH, Bethesda, MD 20892, USA
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33
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Goldenberg F. [Sleep and biological rhythms in depression. Changes caused by antidepressants]. Neurophysiol Clin 1993; 23:487-515. [PMID: 8127320 DOI: 10.1016/s0987-7053(05)80141-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Sleep in depression is characterized by an increase in the number and duration of awakenings, sleep instability, and SWS decrease. REM sleep occurs earlier. REMs density during the 1st REM period is higher than in normal controls matched in age. Accordingly, sleep in depression is similar to sleep in normal aging. Endogenous depression cannot be distinguished from other types of depression by means of polygraphic criteria. Sleep recordings at the beginning of tricyclic compound treatment could be predictive of clinical response to treatment. Sleep modifications induced by antidepressive drugs are reviewed. Sleep recordings enabled us to formulate several physiopathological hypotheses of depression mechanisms: cholinergic-aminergic hypothesis, phase advance, deficiency of process S. Other hypotheses are reviewed: flattening of a hypothetical circadian rhythm of arousal, depressogenic property of sleep in itself (or only of SWS) or timing delay for the start of sleep. A significant phase advance of biological rhythms (temperature, cortisol) is rarely found. A reduction in the amplitude of rhythms (temperature, TSH, melatonine) is more frequent.
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Affiliation(s)
- F Goldenberg
- Laboratoire de sommeil, explorations fonctionnelles, hôpital, Henri-Mondor, Créteil, France
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