Night eating syndrome among nonobese persons (original) (raw)
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Night eating syndrome: Evaluation of two screening instruments
Eating Behaviors, 2005
The purpose of the present study was to determine whether night eating syndrome was associated with 12 treatment outcomes during a brief weight loss intervention for self-identified night snackers, and to evaluate the 13 diagnostic utility of a screening question and the Night Eating Syndrome Questionnaire (NESQ) for the detection 14 of night eating syndrome. 15 Participants enrolled in a 4-week randomized clinical trial for obese and overweight persons who self-identified 16 as night snackers were administered a structured clinical interview, a night eating screening question, and the 17 NESQ. Treatment outcomes included adherence and weight loss. Results showed that night eating syndrome 18 diagnoses were not associated with treatment outcomes. The screening question had adequate sensitivity but poor 19 specificity. The night eating questionnaire was positively correlated with increasingly stringent definitions of night 20 eating syndrome. Night eating syndrome is not the equivalent of night snacking. The definition of night eating 21 syndrome must be expanded to include a sleep disturbance component accompanied by night eating.
Night eating syndrome in class II–III obesity: metabolic and psychopathological features
International Journal of Obesity, 2009
Objective: To investigate the relationship of metabolic disorders and psychological features with the night eating syndrome (NES) in individuals with moderate-to-severe obesity. Design: Cross-sectional observation. Subjects: A total of 266 consecutive participants with class II-III obesity, entering an inpatient weight loss program. Measurements: Participants who reported consuming either a large amount of their caloric intake after the evening meal (roughly self-assessed as X25% of daily calories) or the presence of nocturnal feeding at the Night Eating Questionnaire (NEQ) (N ¼ 49) were interviewed by the Night Eating Syndrome History and Inventory (NESHI). Assessment also included the clinical/ biochemical parameters of the metabolic syndrome and several questionnaires of psychopathology. NES was diagnosed by NESHI criteria (evening hyperphagia (X25% of daily food intake after the evening meal) and/or waking at night to eat at least three times a week) in the last 3 months. Results: Twenty-seven participants (10.1%) met NESHI criteria. Differences were not observed between participants with and without NES as to age, body mass index (BMI), prevalence of metabolic syndrome, Binge Eating Scale and Body Shape Questionnaire. NES participants had significantly higher scores of Beck Depression Inventory (BDI) and Impact of Weight on Quality of Life (IWQOL). Among NES cases, the BDI score was indicative of moderate depression in 18.5% of cases and of severe depression in 44.4%. Logistic regression analysis, adjusted for confounders, identified the BDI score as the only variable significantly associated with the diagnosis of NES. Conclusion: Diagnosing NES does not help identify obese individuals with specific medical complications, but indicates more severe psychological distress and depression.
Night eating syndrome and weight loss outcome in obese patients
International Journal of Eating Disorders, 2010
Objective:The clinical significance of diagnosing the night eating syndrome (NES) in obese individuals has not been clearly demonstrated. We aimed to test the effect of NES on weight loss outcome in obesity.The clinical significance of diagnosing the night eating syndrome (NES) in obese individuals has not been clearly demonstrated. We aimed to test the effect of NES on weight loss outcome in obesity.Method:In an observational case-control study, we measured weight loss outcome in obese individuals with NES (32 cases) and 68 non-NES matched participants entering a weight-loss program. The diagnosis of NES was generated by a two-stage assessment, including the Night Eating Questionnaire (screening test) and the Night Eating Syndrome History and Inventory. The program included a 21-day inpatient treatment based on a low-calorie diet, exercise, and psycho-educational groups, followed by a 6-month outpatient follow-up. Body weight, metabolic parameters, and questionnaires of psychopathology were assessed at baseline, at the end of the inpatient period and at the end of follow-up.In an observational case-control study, we measured weight loss outcome in obese individuals with NES (32 cases) and 68 non-NES matched participants entering a weight-loss program. The diagnosis of NES was generated by a two-stage assessment, including the Night Eating Questionnaire (screening test) and the Night Eating Syndrome History and Inventory. The program included a 21-day inpatient treatment based on a low-calorie diet, exercise, and psycho-educational groups, followed by a 6-month outpatient follow-up. Body weight, metabolic parameters, and questionnaires of psychopathology were assessed at baseline, at the end of the inpatient period and at the end of follow-up.Results:NES participants were only characterized by significantly higher scores of the Beck Depression Inventory and the Night Eating Questionnaire. The time course of weight loss did not differ between groups throughout the study period. Only eight NES participants were still classified as NES at study end.NES participants were only characterized by significantly higher scores of the Beck Depression Inventory and the Night Eating Questionnaire. The time course of weight loss did not differ between groups throughout the study period. Only eight NES participants were still classified as NES at study end.Discussion:The presence of NES does not affect weight loss outcome of an obesity treatment based on lifestyle modification. © 2010 by Wiley Periodicals, Inc.The presence of NES does not affect weight loss outcome of an obesity treatment based on lifestyle modification. © 2010 by Wiley Periodicals, Inc.
Nutrients
Night eating syndrome (NES) is characterised by recurrent episodes of night eating, evident through excessive food consumption after the evening meal or eating after awakening from sleep, often associated with significant distress and/or impairment in functioning. This scoping review was conducted according to PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Scoping Reviews) guidelines. The search was conducted through the use of PubMed, Medline (OVID) and SCOPUS, to identify relevant articles published within the last 10 years. Search terms including “Night eating*” OR “NES” and Boolean phrases were used to refine the search. Additionally, the age of participants was restricted to 18 years and above, to ensure only adult participants were included. The abstracts of the remaining articles were used to screen for those that were relevant. From a total of 663 citations, 30 studies assessing night eating syndrome met the inclusion criteria to be includ...
What is Night Eating Syndrome? New Directions Toward a Unified Definition
Abstract: Night eating syndrome (NES) was identified for the first time in the 1950s, but considerable debate and ambiguity still exist regarding its required diagnostic criteria and whether NES should be considered an eating and or a sleep disorder. We review the various diagnostic criteria and different terminologies used for the description of night eating over the years, relating specifically to similarities and discrepancies among NES, nocturnal eating and drinking syndrome (NEDS), and sleep related eating disorder (SRED). We then examine evidence within three different patient populations, namely NES among obese individuals, in patients with additional daytime binge eating disorder or bulimia nervosa, and NES presenting as the primary complaint, to establish the core criteria for NES. We conclude that evening hyperphagia and nocturnal food ingestion should be considered the core diagnostic criteria for NES. We further identify important areas of future research, including the ...
Development of criteria for a diagnosis: lessons from the night eating syndrome
Comprehensive Psychiatry, 2009
Criteria for inclusion of diagnoses of Axis I disorders in the forthcoming Diagnostic and Statistical Manual (DSM-V) of the American Psychiatric Association are being considered. The 5 criteria that were proposed by Blashfield et al as necessary for inclusion in DSM-IV are reviewed and are met by the night eating syndrome (NES). Seventy-seven publications in refereed journals in the last decade indicate growing recognition of NES. Two core diagnostic criteria have been established: evening hyperphagia (consumption of at least 25% of daily food intake after the evening meal) and/or the presence of nocturnal awakenings with ingestions. These criteria have been validated in studies that used self-reports, structured interviews, and symptom scales. Night eating syndrome can be distinguished from binge eating disorder and sleep-related eating disorder. Four additional features attest to the usefulness of the diagnosis of NES: (1) its prevalence, (2) its association with obesity, (3) its extensive comorbidity, and (4) its biological aspects. In conclusion, research on NES supports the validity of the diagnosis and its inclusion in DSM-V.
Night eating syndrome: A critical review of the literature
Clinical Psychology Review, 2012
Clinical psychologists are increasingly called to participate in the treatment of obesity, a condition that affects about one-third of adults in the United States. A disorder gaining increased recognition for its role in the development and maintenance of obesity is Night Eating Syndrome (NES), a relatively novel disorder involving morning anorexia, evening hyperphagia and/or nocturnal ingestions, and insomnia. NES affects men and women from various racial groups and tends to run in families. NES tends to co-occur with mood, anxiety, eating, sleep, and substance use disorders and may have implications for weight and diabetes management. Relatively little is known about the successful treatment of NES. Limited evidence suggests that serotonergicbased pharmacological treatments may be beneficial. Psychological interventions, such as psychoeducation, eating modification, relaxation strategies, sleep hygiene, cognitive restructuring, physical activity, and social support facilitation may also yield beneficial results. The purpose of the present paper is to provide an introduction to NES, including diagnosis, clinical presentation, assessment, comorbidities, clinical implications, and pharmacological and psychological treatment approaches. Areas for further study and development are discussed. NES is an emerging area for clinical description, evaluation, and intervention.
Defining the borders between Sleep-Related Eating Disorder and Night Eating Syndrome
Sleep Medicine, 2012
Objectives: Nocturnal eating is a common symptom of two clinical conditions with different pathogenesis and needing different therapeutic approaches: Sleep Related Eating Disorder (SRED) and Night Eating Syndrome (NES). The first is considered a parasomnia while the second is an eating disorder; however, the distinction between SRED and NES is still a controversial matter. The aim of this study was to better define psychological, behavioral, and polysomnographic characteristics of the two syndromes. Methods: An eating disorders' specialist tested a group of 28 nocturnal eaters diagnosed as affected by SRED by a sleep expert, following the current criteria of the international classification of sleep disorders, to find out if any of them was affected by NES according to the criteria suggested by both sleep and eating disorders specialists during the first international meeting on Night Eating Syndrome (Minneapolis, 2009) and if they had specific psychological or polysomnographic characteristics. Results: Twenty-two subjects were diagnosed to be affected by NES. They scored higher on the physical tension subscale of the Sleep Disturbance Questionnaire (SDQ) and on the mood and sleep subscale of the Night Eating Questionnaire (NEQ), but there were no other significant differences between SRED and NES patients nor for age, Body Mass Index (BMI), or gender distribution. Conclusions: The overlap between the symptomatology and the polysomnographic characteristics of the two pathologies and the difficulty in making a differential diagnosis between NES and SRED indicate the need for an update of the diagnostic criteria for SRED, as was recently done for NES.