• Journal of Korean Biological Nursing Science
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• v.12 no.1
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• pp.16-23
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• 2010

Purpose: The purpose of this study was to examine the effects of aromatherapy on blood pressure, pulse, fatigue and sleep for patients with allergic rhinitis admitted at a hospital specialized in an oriental medicine. Methods: This research was a single-group pretest-posttest design. Data were collected at admission and discharge from May to December, 2009. The patients selected were received an aroma inhalation therapy via nebulizer with a 2% diluted oil mixture of eucalyptus and peppermint with 10 cc of saline solution in the ratio of 1:1 ones a day for 15 min in the period of 2 weeks. The data were analyzed for the descriptive statistics and paired t-test. Results: There was a statistically significant improvement on physical and psychological symptoms of fatigue and sleep with a increase in systolic blood pressure. Conclusion: Eucalyptus and peppermint blended oil aromatherapy as a sleep induction modality is an effective nursing and therapeutic intervention in conjunction with acupuncture and herbal medicine for symptoms of nasal congestion. However, further well designed research is required in evaluating the effectiveness of the types of clinically available essential oil.

• Women's Health Nursing
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• v.13 no.1
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• pp.21-27
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• 2007

Purpose: This study examined the effects of Self-foot reflexology(SFR) on fatigue and sleep states in clinical women nurses. Method: This study was a nonequivalent pretest-posttest quasi-experimental. Women nurses were assigned to an experimental group (EG, n=20) or a control group (CG, n=20). The EG participated in SFR for a total of 40 minutes, 2 times per week during 4 weeks on their Rt & Lt feet. The CG did not receive SFR during the research period. The EG & CG had never before received SFR, and they had no open wounds or fractures. Data was analyzed using the $x^2$-test, and t-test by the SPSS version 12.0 program at a 5% significant level. Results: The score of fatigue in the EG was significantly lower than that of the CG and the score of sleep states in the EG was also significantly higher than that of the CG. Conclusion: The findings show that the score of fatigue decreased and sleep states increased in the study. Therefore, we should consider SFR as an intervention on clinical nurses. However, it is still needed to verify its effects through more intensive study.

• The Journal of Pediatrics of Korean Medicine
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• v.30 no.1
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• pp.1-8
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• 2016

Objectives The purpose of this study is to report the case of nocturnal enuresis in two children treated by using hypothesis that awareness during sleep may improves symptoms. Methods Enuresis children usually are not even aware of nocturnal urea due to excessive sleep. During the sleep cycle, enuresis children do not tend to have sleep-wake transition period compared to normal children. Ephedrine, the main ingredient of Ephedra sinica (麻黃), has a wakening effect. Two pediatric patients, who were suffering from nocturnal enuresis, were administered by Tosatang-gamibang (菟絲湯加味方) added Ephedra sinica (麻黃) or Boatang-gamibang (補兒湯加味方) added Ephedra sinica (麻黃) while correcting unhealthy voiding habit. Results As a result of the treatment, two pediatric patients were recovered without relapse. Conclusions In this report, we have proven that Tosatang-gamibang (菟絲湯加味方) added Ephedra sinica (麻黃) or Boatang-gamibang (補兒湯加味方) added Ephedra sinica (麻黃) and correcting voiding habit can considerably be effective in recovering nocturnal enuresis.

• Korean Journal of Acupuncture
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• v.21 no.2
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• pp.81-93
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• 2004

Objective : To examine the effects of self-acupressure which is usually used in reducing clinical nurses sleep pattern disturbances and fatigue. Methods : The research involved a nonequivalent control group with a pre test and post test design. The study subjects studied included 48 clinical nurses who work in C hospital located in Pusan, and they were classified into 2 groups : 25 nurses in the experimental group who took self-acupressure, and 23 nurses in the control group who did not. Self-acupressure of G12, H7 and Sp6 was administered over a period of 3 days with 1 demonstration and 4 frequencies. Results : 1. The sleep pattern disturbance score of the experimental group who took self-acupressure was significantly lower than that of the control group. (t= 7.00, p= .00) 2. The fatigue score of the experimental group who took self-acupressure was significantly lower than that of the control group. (t= 6.78, p= .00) Conclusions : Self-acupressure of G12, H7, Sp6 was effective for relieving clinical nurses sleep pattern disturbances and fatigue. The relevance of this study involved the use of Meridian self-acupressure in nursing intervention and was based on the theoretical foundations of Oriental Medicine.

• Safety and Health at Work
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• v.7 no.2
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• pp.120-123
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• 2016

Background: To assess in a laboratory setting the ability to stay awake in a sample of workers of an Italian hospital and to investigate the association between that ability and the risk of occupational injury. Methods: Nine workers at the University Hospital of Udine who reported an occupational injury in the study period (cases), and seven noninjured workers (controls) underwent a polysomnography and four 40-minute maintenance of wakefulness tests (MWT). Differences in sleep characteristics and in wakefulness maintenance were assessed using Wilcoxon's rank sums tests and Fisher's exact tests. Results: Controls had greater sleep latency, lower total sleep time, fewer leg movements, and a higher percentage ratio of cycling alternating pattern, were more likely not to fall asleep during the MWT and were less likely to have two or more sleep onsets. Although not all the differences reached statistical significance, cases had lower sleep onset times in Trials 1-3. Conclusion: In the literature, the evidence of an association between MWT results and real life risk of accidents is weak. Our results suggest a relationship between the MWT results and the risk of injury among hospital workers.

• Science of Emotion and Sensibility
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• v.15 no.4
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• pp.453-468
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• 2012

This study investigated the effects of Lavandula angustifolia (L. angustifolia) aroma on the brain electrical activity evaluated by an electroencephalogram (EEG) in the male adults since many researches were performed with females and few with males. Sleep quality of 35 male adults were analyzed by Pittsburgh sleep quality index, and they were divided into two groups of good sleep quality and poor sleep quality. EEG electrodes were attached at the frontal (F3, F4), temporal (T3, T4), occipital (O1, O2), and parietal (P3, P4) regions according to the International 10-20 system. EEG was measured for 3 min per each period of before, during, and after L. angustifolia aromatherapy. Subjects with good sleep quality showed increases in the delta power at the parietal region of both cerebral hemispheres and in the theta power at the temporal region of right hemisphere (p<0.05), and a decrease in the alpha at the parietal region of both cerebral hemispheres (p<0.05). And subjects with poor sleep quality showed increases in the delta power at the frontal region of left cerebral hemisphere and in the theta power at the frontal region of both hemispheres (p<0.05). It is concluded that L. angustifolia aroma has effects on decreasing an awakening status related-brain wave and increasing the sleep status related-brain waves in the male adults with good sleep quality, and has also effects on increasing the sleep status related-brain waves in the male adults with poor sleep quality.

• Women's Health Nursing
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• v.20 no.1
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• pp.29-37
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• 2014

Purpose: This study aimed to examine the factors associated with postpartum depression and its influence on maternal identity of postpartum women. Methods: Research design was a cross sectional descriptive study with a total of 89 women within the six month postpartum period. Associations of eating habits, overall sleep quality and other factors with postpartum depression utilizing the Korean Beck Depression Inventory (K-BDI) were done. The influence of postpartum depression on maternal identity was analyzed. Variables yielding significant associations (p<.05) were included in an adjusted logistic regression and a stepwise multiple regression. Results: Mean scores of postpartum depression was $9.42{\pm}6.08$ and 31.5% (n=28) for mild depression, 11.2% (n=10) was moderate and 4.5% (n=4) was severe depression on the K-BDI scale. Perceived health status and overall sleep quality were predictors of postpartum depression. Postpartum depression and the husband's love were predictors of maternal identity. Conclusion: Awareness of poor health perception and sleep quality will be helpful to detect for postpartum depression. Strategies to increase maternal identity during the postpartum period would be tailored by level of depression.

• Korean Journal of Childcare and Education
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• v.18 no.6
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• pp.75-99
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• 2022

Objective: This study aims to explore ways to empirically analyze and manage childcare teachers' job stress based on their relationship with stress-related physiological indicators measured by a fitness tracker. Methods: The study participants were 27 childcare teachers in Gyeonggi-do and wore Garmin's wearable fitness tracker Vivosmart 4 for 15 days for three months. The collected information was analyzed for mean, SD, ANOVA, and correlation using JAMOVI 2.00. Results: First, among the daily changes of physiological indicators measured by a fitness tracker, the data collected on Mondays were significant. On Mondays, the stress index was high, the duration of the rest period was short, and the sleep time was short. The stress of childcare teachers showed a significant negative relationship with the body battery which was calculated by considering the duration of the rest period, heart rate variability, stress, and activity level. Also, the duration of deep sleep was positively correlated with a low degree of stress. There was a significant relationship between the childcare teachers' psychological indicators and the biomarkers measured by fitness trackers. Conclusion/Implications: Stress research using a fitness tracker is big data, and in-depth analysis is possible. Fitness trackers can collect and utilize repeated measurement data for each individual childcare teacher.

• Sleep Medicine and Psychophysiology
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• v.3 no.1
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• pp.15-24
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• 1996

After rapid eye movement(REM) sleep was idenified in 1953, a lively interest developed concerning a possible role of this kind of sleep in memory processes. The author reviewed studies relating REM to memory/learning. Many studies in animals and humans gave substantial evidence for relating REM sleep to memory function. The evidence supporting the position taken in this paper comes from experiments showing that : (1) learning session is followed by the significant augmentation of REM sleep : (2) REM sleep deprivation, prior to learning or immediately thereafter, impairs the formation of a permanent memory/learning : (3) there is a vulnerable period of time(eg, REM sleep "window") following succussful learning, during which REM sleep deprivation results in memory impairment : (4) theta rhythm which develops during REM sleep induces long-term potentiation in hippocampus : (5) there are some evidences providing the relationship of neurotransmitter systems to the maintenance of REM sleep and memory storage processes.

• Journal of Preventive Medicine and Public Health
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• v.56 no.5
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• pp.458-466
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• 2023

Objectives: The association between long sleep duration and mortality is frequently attributed to the confounding influence of comorbidities. Nevertheless, past efforts to account for comorbidities have yielded inconsistent outcomes. The objective of this study was to evaluate this relationship using a large prospective cohort in Korea. Methods: The study included 114 205 participants from the Health Examinees Study, who were followed for a median of 9.1 years. A composite comorbidity score was developed to summarize the effects of 21 diseases. Using Cox proportional hazards regression, hazard ratios (HRs) and 95% confidence intervals (CIs) for all-cause, cancer, and cardiovascular mortality associated with sleep duration were estimated. These estimates were adjusted for socio-demographic factors, lifestyle factors, body mass index, and comorbidity score. Additionally, a stratified analysis by subgroups with and without comorbidities was conducted. Results: Throughout the follow-up period, 2675 deaths were recorded. After all adjustments, an association was observed between a sleep duration of 8 hours or more and all-cause mortality (HR, 1.10; 95% CI, 1.01 to 1.20). However, no such association was detected in the stratified analysis for the subgroups based on comorbidity status. Conclusions: Long sleep duration was found to be associated with all-cause mortality among Koreans, even after adjusting for comorbidities. Additional studies are required to explore the mechanism underlying the association between sleep duration and major causes of mortality.