• Sleep Medicine and Psychophysiology
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• v.18 no.1
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• pp.10-16
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• 2011

There has been a growing interest in sleep problems associated with attention deficit hyperactivity disorder (ADHD). In this paper, we reviewed the current literature on the underlying sleep problems associated with ADHD. Sleep problems are very common in children with ADHD. Patients with ADHD may have sleep difficulties including difficulty falling asleep, frequent night awakening, increased tiredness upon waking. Children with ADHD are associated to restless legs syndrome, periodic limb movement and sleep-disordered breathing. Screening for other psychiatric comorbidities and the side effects of medications, such as psychostimulants, is also necessary when considering sleep problems in ADHD. Sleep problems can cause a negative impact on the quality of life and emotional well-being both of children with ADHD and their parents. Many evidences suggest that assessment of sleep difficulties should be included in evaluating the patient of ADHD.

• Korean Journal of Childcare and Education
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• v.14 no.5
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• pp.101-115
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• 2018

Objective: The goals of this research were (1)to examine the relationship among parental conflict, mothers' depression and preschoolers' sleep problems, and (2) to examine the mediating effects of mothers' depression between marital conflict and preschoolers' sleep problems. Methods: The participants were 1,639 mothers with preschoolers taken from the 5th year Korean Children Panel. Date were analyzed using descriptive statistics, partial correlation analysis, and multiple regression analysis. Results: The results were as follows: First, preschoolers' sleep problems were positively related to marital conflicts. Second, preschoolers' sleep problems were positively related to mothers' depression. Third, marital conflict was positively related to mothers' depression. Lastly, mothers' depression fully mediated the relationship between marital conflict and preschoolers' sleep problems. That is, marital conflict had an effect on preschoolers' sleep problem, only through mothers' depression. Conclusion/Implications: Based on the results, intervention programs should be developed to prevent preschoolers' sleep problems such as marital relationship improvement programs and mothers' depression improvement programs.

• Korean Journal of Child Studies
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• v.38 no.3
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• pp.33-48
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• 2017

Objective: This study examined the relationships among sleep problems, executive function and social behavior during the preschool period. In addition, the mediating role of executive function between sleep problems and social behavior was investigated. Methods: A total of 304 preschool children participated in this study. The data were collected through maternal reports. Results: First, preschoolers' sleep problems were found to be significantly related to overt aggression and prosocial behavior. Second, preschoolers with sleep problems displayed lower levels of executive function. Third, preschoolers' executive function was significantly associated with social behavior. Lastly, preschoolers' executive function fully mediated the relationship between sleep problems and overt aggression, and between sleep problems and prosocial behavior. That is, preschoolers' sleep problems had effects on overt aggression and prosocial behavior, only through the effects on executive function. Conclusion: This study contributes to the sleep literature by examining the role of executive function and emphasizes the importance of forming a healthy sleep habit during the preschool period.

• Sleep Medicine and Psychophysiology
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• v.9 no.2
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• pp.86-95
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• 2002

Various sleep-related problems are common in pregnant women. Sleep disorders may result in intrauterine growth restriction as well as harm to pregnant women. Pharmacotherapy of sleep disorders in pregnancy require cautious judgement. All physicians managing sleep-related problems of pregnant women in clinical practice need to understand sleep-related problems and their management in pregnancy. Therefore, I have reviewed the literature on normal sleep, sleep disorders and their management in pregnancy.

• Sleep Medicine and Psychophysiology
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• v.20 no.2
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• pp.53-58
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• 2013

Autism Spectrum Disorder (ASD) is characterized by persistent deficits in social communication and restricted, repetitive patterns of behavior and interest. Sleep problems are not uncommon in children with autism spectrum disorders. Symptoms of insomnia are the most frequent sleep problems in individuals with ASD. Sleep problems can cause significant difficulties in the daily life of children with ASD and their families. Genetic factor, deregulations of melatonin synthesis, extraneous environmental stimuli and psychiatric and medical conditions may cause sleep problems. The first line treatment of sleep problems in ASD includes managements for potential contributing factors and parent education about sleep hygiene care for child and behavioral therapy. Supplementation with melatonin may be effective before considering other medications, such as risperidone, clonidine, and mirtazapine.

• Korean Journal of Childcare and Education
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• v.14 no.1
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• pp.109-128
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• 2018

Objective: This study examined the relationships among mothers' marital satisfaction, parenting behavior, and preschoolers' sleep problems. Methods: Three hundred mothers of preschoolers completed questionnaires on three research variables. Data were analyzed by correlation analyses and regression analyses. Results: First, mothers' marital satisfaction was negatively related to preschoolers' sleep problems. Second, mothers' marital satisfaction was positively associated with warmth and reasoning, while mothers' marital satisfaction was negatively associated with intrusiveness, coercion, and neglect. Third, mothers' warmth and reasoning were negatively linked to preschoolers' sleep problems, but mothers' coercion was positively linked to preschoolers' sleep problems. Lastly, mothers' warmth partially mediated the relationship between mothers' marital satisfaction and preschoolers' sleep problems. Conclusion/Implications: This study confirmed that mothers' marital satisfaction and parenting behavior had an influence on preschoolers' sleep problems. These findings highlight the importance of the family context for preschoolers' healthy sleeping habits.

• Sleep Medicine and Psychophysiology
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• v.9 no.1
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• pp.5-8
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• 2002

Stroke is a leading cause of death in most developed countries and some developing countries including South Korea. It is well known that stroke has is related in some way with several sleep disorders. At first, the onset time of stroke varies according to circadian rhythm. Early morning is the most prevalent time and late evening the least. The changes of blood pressure, catecholamine level, plasminogen activity and aggregation of platelet during sleep have been suggested as possible mechanisms. Sleep apnea (SA), a representative disorder in the field of sleep medicine, is found in more than 70% of acute stroke patients compared to 2-5% of the general population. Various sleep related breathing disorders occur after stroke and snoring is a distinct risk factor for stroke. So the relationship between stroke and SA is obvious, but the cause and effect are still not clearly known. Also, stroke may cause many sleep related problems such as insomnia, hypersomnia, parasomnia and changes in sleep architecture. Patients, family members and even medical personnel often ignore stroke-related sleep problems, being concerned only about the stroke itself. The clinical impacts of sleep problems in stroke patients may be significant not only in terms of quality of life but also as a risk factor or prognostic factor for stroke. More attention should be paid to the sleep problems of stroke patients.

• Journal of Korean Biological Nursing Science
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• v.20 no.2
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• pp.103-113
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• 2018

Purpose: This study was performed to assess problems associated with sleep (short and long sleep duration) and to identify risky subgroups with sleep problems among adult cancer survivors. The study is based on the Korea National Health and Nutrition Examination Survey (KNHANES VI and VII) from 2013 to 2016. Methods: The sociodemographic and clinical data of 504 Korean cancer survivors aged 20-64 years was extracted from the KNHANES VI and VII database. Descriptive statistics for complex samples was used, and decision-tree analyses were performed using the SPSS WIN 24.0 program. Results: The mean age for survivors was approximately 51 years. The mean sleep duration was 6.97 hours; 36.2% of participants had short (< 7 hours) and 9.9% had long (> 8 hours) sleep duration. From the decision-trees analyses, the characteristics of the adult cancer survivors related to sleep problems were presented with six different pathways. Sleep problems were analyzed according to the survivors' sociodemographic information (age, education, living status, and occupation), clinical characteristics (body mass index, hypercholesterolemia, and anemia) and health-related quality of life (HRQoL). The HRQoL (${\leq}0.5$ or > 0.5 cutoff point) was a significant predictor of the participants' sleep problems because all six pathways were started from this predictor in the model. Conclusion: Health care professionals could use the decision-tree model for screening adult cancer survivors with sleep problems in clinical or community settings. Nursing interventions considering these specific individual characteristics and HRQoL level should be developed to have adequate sleep duration for Korean adult cancer survivors.

• Clinical and Experimental Pediatrics
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• v.64 no.3
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• pp.111-116
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• 2021

In infants and young children, bedtime problems and night waking are common and the main presentations of insomnia. Poor sleep may critically impact the daytime functioning and mood of the child and their caregivers. A comprehensive sleep history, a sleep diary/log, and the BEARS (Bedtime problems, Excessive daytime sleepiness, Awakenings during the night, Regularity and duration of sleep, and Sleep-disordered breathing) sleep screen are useful for diagnosing sleep problems in young children. Behavioral therapies for this type of insomnia include extinction, bedtime fading with positive routines, and scheduled awakening. Previous studies of behavioral interventions for young children showed significant improvements in sleep-onset latency, night waking frequency, and night waking duration. Parent education about their child's sleep, bedtime routines, and sleep hygiene is essential for treatment.

• Sleep Medicine and Psychophysiology
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• v.16 no.1
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• pp.10-15
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• 2009

Sleep problems and disorders are common in patients with cancer. Sleep of the cancer patients is affected by various factors, including thermoregulatory changes associated with chemotherapy and radiotherapy, cancer related symptoms, such as pain, fatigue, and emotional difficulties. As one of the most common symptoms in cancer patients, fatigue is positively correlated with sleep difficulties. Cytokine is also frequently associated with chemotherapy and radiotherapy. It provokes excessive daytime sleepiness and hypersomnia. Medications for controlling pain, depression, and anxiety can affect sleep of the cancer patients. Medications as well as behavior therapy are reported to be effective for controlling sleep problems, and the physicians need to be accustomed to use the modalities appropriately. This paper reviews causative factors, evaluation, and management of sleep problems and disorders, experienced by cancer patients.