• 사상체질의학회지
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• 제33권1호
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• pp.102-108
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• 2021

Objectives The purpose of this study was to identify differences in sleep by Sasang constitutional type using Pittsburgh Sleep Quality Index(PSQI). Methods The subjects of this study were 3,578 people who had information on Sasang constitutional type and PSQI among the data established at the Korean Medicine Data Center. We compared each item score in PSQI (subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbance, use of sleep medication, daytime dysfunction) and PSQI global scores by Sasang constitutional type using analysis of variance. Logistic regression was conducted to calculate the odds ratio of poor sleep by Sasang constitutional type. Results & Conclusions The SE type showed statistically significantly higher scores than the TE type and SY type in subjective sleep quality, sleep latency, habitual sleep efficiency, sleep disturbance, and PSQI global score, indicating poor sleep compared to other constitutional types. The odds ratio for poor sleep also shows that even after adjusting sex, age, height, and weight, the SE type was significantly higher than other constitutional types, indicating that the SE type could be a risk factor for poor sleep.

• 대한예방한의학회지
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• 제28권1호
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• pp.109-118
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• 2024

Objectives : This study aimed to investigate the relationship between cold feet and sleep quality using polysomnography (PSG) and Pittsburgh Sleep Quality Index (PSQI). Methods : We divided 11 adults (6 females, 5 males) with Insomnia Severity Index score below 21 into cold feet (CF) and a non-cold feet (NCF) group based on the median feet temperature (Taichong, LR3). PSG and PSQI were administered to assess sleep characteristics and subjective sleep quality. Results : CF group exhibited significantly lower time in bed, sleep period time, and total sleep time compared to NCF group. While there were no significant group differences in sleep latency, wakefulness after sleep onset, or total arousal index, NCF group had significantly lower minimum oxygen saturation and apnea-hypopnea index in REM (rapid eye movement) sleep compared to CF group. Although the PSQI score and the proportion of poor sleepers were both higher in the CF group (7.40 and 80%) compared to the NCF group (5.50 and 50%), these differences did not reach statistical significance. Conclusions : This study showed that foot temperature affects sleep characteristics and suggests the need to utilize PSG in sleep research in Korean medicine.

• 대한물리의학회지
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• 제10권4호
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• pp.123-131
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• 2015

PURPOSE: This study attempts to examine the impact of respiratory muscle exercises on the respiratory function and quality of sleep among stroke patients. METHODS: A total of 20 stroke patients were randomly divided into a breathing-exercise training group(n=10) and a breathing-device-training group(n=10). Changes in pulmonary function, as well as the quality, were measured before and after the intervention. The breathing exercise was performed three times a week for a total of eight weeks. Breathing-device exercises made use of a lung-capacity-strengthening device and were performed for three times a week for eight weeks. One Flow FVC was used as a measurement tool for the pulmonary function test. The Pittsburgh Sleep Quality Index(PSQI) and a sleep measurement tool were used for sleep evaluation. RESULTS: In a comparison of changes in pulmonary function before and after the training, the breathing-exercise group and the breathing-device-training group showed a significant difference. In changes of sleeping measure and PSQI, the breathing-exercise group and the breathing-device-training group also showed significant differences. CONCLUSION: Diverse index analyses confirmed that breathing exercises and exercises using a lung-capacity-strengthening device, were effective in improving respiratory function and quality of sleep among stroke patients experiencing respiratory function disorders and sleep disorders.

• Annals of Rehabilitation Medicine
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• 제42권6호
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• pp.822-832
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• 2018

Objective To determine the socio-demographic, psychologic, hematologic, or other relevant factors associated with hand grip strength in Korean farmers. Methods A total of 528 healthy Korean farmers were enrolled. Hand grip strength was measured in both hands using a hydraulic dynamometer. Socio-demographic characteristics were assessed and anthropometric measurements were obtained. Psycho-cognitive measurements such as sleep quality (Pittsburgh Sleep Quality Index) and Go/No-Go test response time were conducted. In addition to physical measurements, serologic parameters including insulin-like growth factor 1 were measured. The factors associated with hand grip strength were analyzed using multiple linear regression analysis after adjusting for age, height, and weight. Results The mean hand grip strength was associated with the Pittsburgh Sleep Quality Index total score (${\beta}=-0.12$, p=0.01), the Go/No-Go test response time (${\beta}=-0.18$, p=0.001), vitamin D (${\beta}=0.12$, p=0.02), and insulin-like growth factor 1 levels (${\beta}=0.1$, p=0.045). In female farmers, hand grip strength was only associated with the Pittsburgh Sleep Quality Index total score (${\beta}=-0.32$, p<0.001). Conclusion The results of this study demonstrate that hand grip strength was associated with sleep quality and attention in Korean farmers.

• 한국환경보건학회지
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• 제46권1호
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• pp.103-109
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• 2020

Objectives: Using as a sleep evaluation tool the Pittsburgh Sleep Quality Index (PSQI), this paper studied the effects of earthing on the amount and quality of sleep by examining a patient population of people who used and did not use earthing mats and a group of general healthy people. Methods: From September to November 2019, 30 patients who voluntarily used an earthing mat, 40 patients who did not use an earthing mat, and 40 healthy people who did not use an earthing mat were selected. A questionnaire applying the PSQI (Pittsburgh Sleep Quality Index) after being translated into Korean was distributed starting November 29, 2019 to 110 subjects. Out of them, 101 subjects who completed the questionnaire were examined. All statistics used SPSS 25.0. Results: The first overall score showed that all three groups had problems sleeping, with five points or more, but the general population had better sleep quality than the patient group. It also showed that the using matgroup had better quality of sleep than the ones that did not use the earthing mat In addition, the analysis of the third group through the variance analysis showed significance at >0.05 for the general population and the patient group. Based on this, a multi-comparison analysis of the third group showed significantly less than 0.05 in patients who do not use an earthing mat compared to the public. First of all, there are no statistically significant differences between the three groups in subjective sleep quality, sleep latency, and sleep time, but an analysis of multiple comparison analysis with the general population group showed that the quality of sleep was worse compared to those that used the mat. In addition, sleep efficiency, sleep disorder, sleeping pills, and daytime dysfunction were found to be less than >0.05 in the three groups. Conclusions: These results suggest that if you ground your body to Earth during sleep, the secretion of cortisol will decrease night levels, sync more with the natural 24-hour circulation rhythm profile, and that when you sleep, sleep is better and pain and stress are associated with the study. While the preceding study cannot confirm that contact with the ground affects the quality of sleep, it suggests that it is relevant as shown in this paper.

• 한국산학기술학회논문지
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• 제19권5호
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• pp.451-458
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• 2018

본 연구는 소방직공무원들의 수면의 질을 평가하고, 이들의 일반적 특성, 건강습관특성 및 직업적 특성과 수면의 질과의 관련성을 규명하고자 시도하였다. 조사는 2016년 10월에 D광역시의 5개 소방서에 근무하고 있는 남성 소방직공무원 600명을 대상으로 Pittsburgh대학에서 개발한 수면의 질에 관한 질문 표(PSQI)를 사용한 자기기입식 설문조사에 의하였다. 연구결과, 전체 조사대상자의 13.2%는 "수면의 질이 좋은 군"으로, 86.8%는 "수면의 질이 좋지 않은 군"으로 나타났다. 일반적 특성 및 건강습관 특성별 수면의 질은 주관적인 건강상태가 좋지 않을수록, 흡연군보다 비흡연군에서, 주관적인 수면의 질이 높다는 군보다 낮다는 군에서 "수면의 질이 좋지 않다는 군"의 비율이 유의하게 높았다. 직업적 특성별 수면의 질은 다른 업무보다 화재진압을 한다는 군에서, 비교대근무군보다 교대근무군에서, 업무의 신체적 부담이 낮은 군보다 높은 군에서, 업무에 대한 만족도가 높은 군보다 낮은 군에서, 업무에 대한 적성도가 높은 군보다 낮은 군에서, 현재의 소방직에 대한 직업전환의사가 없다는 군보다 있다는 군에서 "수면의 질이 좋지 않다는 군"의 비율이 유의하게 높았다. 다중회귀분석결과, 수면의 질에 영향을 미치는 요인으로는 주관적 건강상태, 음주상태, 주관적인 수면의 질, 근무경력, 직위, 업무의 신체적 부담정도가 유의한 변수로 선정되었으며 이들의 설명력은 24.4%이었다. 위와 같은 연구결과는 소방직공무원들의 수면의 질은 일반적 특성, 건강습관 특성 및 직업적 특성의 여러 요인들과 유의한 관련성이 있음을 시사하고 있다.

• Journal of Preventive Medicine and Public Health
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• 제57권1호
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• pp.83-90
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• 2024

Objectives: Professional firefighters face various health hazards and are required to maintain both physical and mental fitness to effectively mitigate crises and respond to emergencies. Moreover, the long working hours and shift work of this profession impact sleep quality. This study investigated the quality of sleep and its associated factors among firefighters in Bangkok, Thailand. Methods: This was a cross-sectional study of firefighters affiliated with the Bangkok Fire and Rescue Department, Bangkok Metropolitan Administration, Thailand between January 2023 and March 2023. A cluster random sampling technique was utilized to distribute 600 questionnaires to firefighters in 15 fire stations. The questionnaire addressed demographic, work-related, and environmental factors. Sleep quality was assessed using the Thai version of the Pittsburgh Sleep Quality Index (PSQI). Data analysis involved both descriptive and inferential statistics. Bivariate and multiple logistic regressions were performed. Results: The response rate was 78.7% (n=472), and 44.1% of the firefighters reported poor sleep quality (PSQI score >5). Sleep quality was statistically associated with conflicting family relationships (odds ratio [OR], 1.8; 95% confidence interval [CI], 1.1 to 2.9), additional part-time jobs (daytime, OR, 2.4; 95% CI, 1.3 to 4.4; or nighttime, OR, 4.3; 95% CI, 1.1 to 16.7), noisy sleeping areas (OR, 1.7; 95% CI, 1.1 to 2.8), and the availability of adequate bedding (OR, 3.0; 95% CI, 1.8 to 4.9). Conclusions: Poor sleep quality among firefighters was associated with various personal, work-related, and environmental factors. Organizations should promote policies that improve sleep quality through good sleep hygiene practices and facilities.

• Journal of Acupuncture Research
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• 제30권5호
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• pp.247-252
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• 2013

Objectives : The purpose of this study was to observe the clinical effects of acupuncture therapy and Ecklonia cava extract on sleep disturbance in ALS patients. Methods : In this study one patient received acupuncture therapy and took Ecklonia cava extract. The effects of the combined administration of these treatments were evaluated using Numeric Rating Scale and Pittsburgh Sleep Quality Index. Results : The NRS score for sleep disturbance decreased from 10 to 1 and the PSQI score decreased from between 12~13 to 8. After treatment, the patient stopped taking sleeping pills and antidepressant. Conclusions : Combined administration of acupuncture therapy and Ecklonia cava extract could be effective in improving sleep disturbances in ALS patient.

• International Journal of Contents
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• 제15권1호
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• pp.25-31
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• 2019

Personality, especially neuroticism has been found related to be related with poor sleep quality. This study focused on emotion regulation, reappraisal and suppression, which can buffer or aggravate the effect of neuroticism influencing sleep quality. One hundred and forty two ordinary adults were used in this study and were recruited and required to complete a package of questionnaires including: the Eysenck personality Questionnaire/EPQ, the Emotion Regulation Questionnaire/ERQ, and the Pittsburgh Sleep Quality Index/PSQI. The result was that participants with higher neuroticism had poorer sleep qualities than those with lower neuroticism. Moreover, participants that had high neuroticism and high reappraisal had better sleep qualities. This means that there was an interaction effect of neuroticism and reappraisal on sleep quality. However, suppression did not have a moderating effect on the relation between neuroticism and sleep quality. These findings inferred that reappraisal plays an important moderating role (buffering effect) on the relationship between neuroticism and sleep quality. Reappraisal cannot only prevent people high in neuroticism from sleep problems but can also buffer symptoms of sleep disorder by treating patient's negative emotions.

• 한국산학기술학회논문지
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• 제17권6호
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• pp.546-559
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• 2016

본 연구의 목적은 교대근무 간호사를 대상으로 스트레스 반응, 신체활동, 수면위생과 수면의 질의 관계를 분석하고, 수면의 질에 미치는 영향요인을 파악하기 위함이다. 연구대상은 경남 C시에 소재한 대학병원과 종합병원에서 교대근무 하는 간호사 168명이었고, 자료수집기간은 2016년 3월 25일부터 2016년 3월 31일까지 였다. 연구도구는 Pittsburgh Sleep Quaility Index, Stress Response Inventory, Korean version International Physical Activity Questionnaire Short Form 및 Sleep Hygiene Practice Scale을 사용하였다. SPSS WIN 18.0을 이용하여 빈도, 백분율, 평균, 표준편차, t-test, ANOVA 및 사후검증, Pearson correlation coefficient, Hierarchical mutiple regression으로 분석하였다. 연구결과, 교대근무 간호사의 수면의 질은 7.35점(범위 0-21점), 스트레스 반응은 2.20점(범위 1-5점), 신체활동량은 3986MET-min/week, 수면위생은 2.73점(범위 1-6점)이었다. 수면의 질은 교대근무 간호사의 특성 중 교대근무 경력, 건강상태, 일주기 리듬에서 유의한 차이를 보였다. 수면의 질에 영향을 미친 변수는 교대근무경력, 수면위생, 스트레스 반응, 신체활동으로 나타났으며 설명력은 40%(F=8.16, p<.001)였다. 따라서, 교대근무 간호사의 수면의 질을 향상시키기 위하여 수면위생 증진 교육을 실시하고, 스트레스 반응을 줄이기 위한 전략을 사용하도록 하며, 중간정도의 신체활동을 권장하는 것이 필요하다.