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Sleep duration and sleep quality are essential physiological needs that play a significant role in the emotional and behavioral development of children aged 3–6 years. Adequate sleep supports brain development, cognitive functioning, emotional regulation, and social interaction skills in early childhood. Conversely, poor sleep duration and low sleep quality may negatively affect children’s attention, mood stability, and ability to interact socially with peers and caregivers. This article is a literature review using a systematic review approach that analyzes 10 scientific articles published between 2016–2026 to evaluate the relationship between sleep duration and sleep quality with emotional and behavioral problems in preschool children. The article selection process followed the PRISMA flow diagram, with articles sourced from Google Scholar, PubMed, and ScienceDirect databases. The findings consistently indicate that inadequate sleep duration and poor sleep quality are associated with increased emotional and behavioral problems, including hyperactivity, anxiety, emotional dysregulation, and difficulties in social interaction among children. Furthermore, sleep disturbances were found to negatively influence children’s emotional self-regulation abilities, which are crucial for adaptive behavior. Therefore, ensuring adequate sleep duration and improving sleep quality are important strategies to support optimal emotional and behavioral development in preschool-aged children.

The Baduy community in Kanekes Village has economic potential based on traditional crafts with high cultural value, such as weaving and woven fabrics. However, the management of craft businesses is still carried out in a simple manner without a structured human resource (HR) management system. Problems faced include the lack of a clear division of tasks, inefficient production processes, and limited marketing strategies. These conditions hamper the optimal development of craft businesses. This community service activity aims to strengthen human resource management based on local wisdom in order to increase the capacity of traditional craft businesses in the Baduy community. The solution offered is training and mentoring on simple business management adapted to traditional values. Activities include socializing the importance of HR management, training on the division of labor within groups, improving production skills, and developing marketing strategies that respect local wisdom. The implementation method uses a participatory approach through the stages of preparation, training, mentoring, evaluation, and program sustainability. The community is actively involved in every stage of the activity to ensure the program's suitability to local socio-cultural conditions. This activity results in increased human resource capacity in craft business management, the establishment of a more organized work system, and an increased economic value of craft products. In addition, this activity is expected to produce a community empowerment model based on local wisdom and scientific publications in community service journals.

This study examines the application of the Problem Based Learning model combined with the interactive learning media Articulate Storyline in the learning of Science on the subject of Harmony in Ecosystems in class V of SDN Tamansari 1. The background of this study is based on the low student learning outcomes caused by the dominance of the lecture method and the minimal use of interesting media, so that students are less actively involved in learning. The purpose of this study is to describe the application of the media and improve student learning outcomes. The study used the Classroom Action Research method which was carried out in two cycles, including the planning, implementation, observation, and reflection stages, with 17 students as subjects. The results showed a significant increase in student learning outcomes in each cycle, where the average class score increased from 50 in the pre-cycle to 71.17 in Cycle I, and reached 91.76 in Cycle II. The percentage of learning completion also increased from 17.65% to 76.47%, until finally reaching 100% in Cycle II. These findings indicate that the use of the Problem Based Learning model combined with Articulate Storyline can encourage student engagement and deepen conceptual understanding. Therefore, it can be concluded that the implementation of these learning models and media is effective in improving science students' learning outcomes.

This Community Service (PKM) activity aims to improve the performance of Posyandu cadres in stunting prevention efforts in Kepudibener Village, Turi District, Lamongan Regency. The main problems faced by the community include low health literacy, suboptimal utilization of Posyandu, and limited capacity of cadres in providing health education. The implementation method uses a participatory and educational approach through the stages of observation, cadre training, health education, mentoring, and program evaluation. The results of the activity show an increase in the knowledge and skills of Posyandu cadres in monitoring child growth and development and nutrition education, increased community participation in Posyandu activities, and an increase in understanding of mothers of toddlers regarding stunting prevention. This program is also able to strengthen the role of cadres as agents of change in raising community awareness of the importance of family health. Thus, improving the performance of Posyandu cadres has proven effective in supporting community-based stunting prevention efforts. Sustainability of the program through ongoing training and mentoring is essential to maintain the positive impacts that have been achieved.

This study aims to examine the influence of principal leadership and school culture on teacher discipline in public junior high schools (SMP Negeri) in Sembawa District, Banyuasin Regency. Teacher discipline is an important factor in supporting the effectiveness of the learning process and achieving educational goals. Therefore, understanding the factors that contribute to teacher discipline is essential for improving school performance. This study employed a quantitative research method with a purposive sampling technique. Data were collected through the distribution of questionnaires consisting of 66 statement items measured using a five-point Likert scale. The collected data were analyzed using statistical techniques to determine both partial and simultaneous effects of the independent variables on teacher discipline. The results indicate that principal leadership has a positive and significant partial effect on teacher discipline, as evidenced by a t-value of 5.127, which is greater than the t-table value of 1.9809. School culture also has a positive and significant partial effect on teacher discipline, with a t-value of 7.244 exceeding the t-table value of 1.9809. Furthermore, principal leadership and school culture simultaneously have a positive and significant effect on teacher discipline, as indicated by an F-value of 34.152, which is greater than the F-table value of 3.07. These findings suggest that strengthening principal leadership and fostering a positive school culture can significantly improve teacher discipline.

The development of digital technology has brought significant changes in the field of education, especially in the learning process, school management systems, and teachers' work patterns. This situation requires school principals' leadership who can adapt, be innovative, and act as agents of change in improving teachers' work ethic. This study aims to analyze the role of school principals' transformational leadership in enhancing teachers' work ethic in the digital era and to examine its relevance to educational transformation. The research method used is a qualitative approach with a literature study type through the analysis of various journals and scientific sources from 2020–2025. The results of the study indicate that school principals' transformational leadership plays an important role in increasing teachers' motivation, commitment, and professionalism through ideal influence, inspirational motivation, intellectual stimulation, and individualized consideration. In addition, this leadership is also capable of creating a work culture that is collaborative, innovative, and adaptive to technological developments. Digital transformation in education not only involves the use of technology but also changes in work culture and the improvement of human resource competencies in schools. The implications of this research confirm that school principals as transformational leaders have a strategic role in the success of educational transformation in the digital era through the continuous enhancement of teachers' work ethic.

This study aims to determine the effect of the deep learning learning approach on fourth-grade elementary school students’ understanding of IPAS concepts, particularly on the topic of pollination in perfect flowers. This research employed a quantitative approach with a quasi-experimental design using a pre-test and post-test control group design. The population consisted of all fourth-grade students of SDN 4 Muara Dua, totaling 58 students, who were divided into experimental and control classes through total sampling techniques. Data collection techniques included tests, observations, and documentation. The research instruments were tested for validity and reliability before being implemented in the study. The results revealed that the implementation of the deep learning approach had a positive effect on students’ understanding of IPAS concepts. This was indicated by the higher post-test scores achieved by students in the experimental class compared to those in the control class. In addition to improving conceptual understanding, the deep learning approach also enhanced students’ critical thinking skills, activeness, and participation during the learning process. Therefore, the deep learning learning approach can be considered an effective alternative strategy to improve elementary school students’ understanding of IPAS concepts.

The physiological changes that occur during pregnancy, both physically and mentally, may be rather uncomfortable, particularly in the second and third trimesters. Pregnant women often report back discomfort, muscular aches, trouble sleeping, excessive exhaustion, and irregular sleep patterns. Mothers' physical and mental health as well as the health of their unborn children may be significantly impacted by inadequate sleep quality during pregnancy. To enhance comfort and the quality of sleep during pregnancy, one non-pharmacological technique is to use an aromatherapy maternity pillow. An ergonomic and ecologically sustainable invention to enhance mother comfort during pregnancy was the goal of this research, which intended to produce a Pregnancy Pillow Therapy product with pineapple leaf fiber and aromatherapy. A descriptive research design using a prototype creation technique was used in this study. The stages of the research included problem identification, literature review, product design, material selection, prototype manufacturing, and product evaluation. Data were collected through literature studies and observations related to sleep discomfort in pregnancy, maternity pillow utilization, aromatherapy therapy, and pineapple leaf fiber characteristics. The developed product was designed ergonomically to support the back, abdomen, waist, and legs of pregnant women. The addition of aromatherapy was intended to provide a relaxing effect and improve sleep quality. The use of pineapple leaf fiber also supports environmentally friendly product innovation through agricultural waste utilization. The results indicate that Pregnancy Pillow Therapy has the potential to become a supportive product for improving comfort and sleep quality among pregnant women. Further studies are recommended to evaluate product effectiveness directly among pregnant women.

Telepharmacy is a digital-based pharmaceutical service innovation aimed at improving access to healthcare services and enhancing the quality of pharmaceutical care, particularly in areas with limited healthcare resources. This study aimed to evaluate the implementation of telepharmacy services at Sehat Plus Pharmacy based on the six healthcare quality dimensions established by the World Health Organization (WHO), namely safety, effectiveness, timeliness, efficiency, equity, and patient-centeredness, and to analyze their association with respondent characteristics. A quantitative descriptive-analytic study with a cross-sectional design was conducted. The study involved 35 respondents selected using a total sampling technique. Data were collected through a structured Likert-scale questionnaire and analyzed using univariate analysis and Spearman correlation tests with a significance level of α = 0.05. The results indicated that the overall implementation of telepharmacy services was categorized as very good (88.8%), with the safety dimension achieving the highest evaluation score among all quality dimensions. Most respondents were female and aged between 21 and 25 years. Statistical analysis revealed a significant association between age and perceptions of telepharmacy implementation (p = 0.004; r = -0.471), indicating a moderate negative correlation. In contrast, gender, educational level, and occupation showed no significant association with service implementation (p > 0.05). It can be concluded that telepharmacy services at Sehat Plus Pharmacy have met WHO healthcare quality standards and provide positive user experiences, while age remains an important factor influencing service perception and acceptance.

This study aims to explain students' learning activities in Natural and Social Sciences (IPAS) subjects using a volcanic eruption simulation through the Project Based Learning (PjBL) model. The background of this study is the low student engagement caused by the teacher-oriented learning method, so that students tend to be passive. The method used in this study is descriptive qualitative, with data collection techniques in the form of observation, interviews, and documentation. The subjects of this study were fifth-grade elementary school students. The learning process was carried out through the PjBL stages, which include project planning, project implementation, and presentation of project results. In addition, this learning also contributes to improving the ability to work together, think critically, be creative, and solve problems. Contextual and experience-based learning helps students understand the material better and increases their motivation and curiosity. Thus, the PjBL model has proven effective in increasing student learning activities in science learning at the elementary school level.

This study was conducted to examine, from an organizational behavior perspective, how leadership styles influence employee work behavior at the Population and Civil Registration Service (Dukcapil) of Magelang Regency. This study utilized various reference sources, including books, scientific journals, and previous research on leadership, organizational behavior, and employee work behavior. The results showed that certain leadership styles have a significant impact on employee work behavior, particularly in terms of improving discipline, motivation, responsibility, and the quality of public services. Transformational, democratic, and authentic leadership styles are considered more effective because they can create a good work environment, build trust, and encourage positive behaviors such as cooperation and initiative. Conversely, ineffective leadership can lead to low work motivation, decreased organizational commitment, and decreased quality of public services. Furthermore, this study shows that organizational systems are not the only factor influencing the success of public services; leaders also have the necessary expertise to direct and change employee work behavior. Therefore, a flexible and engaging leadership style is an important component in improving the quality of public services at Dukcapil of Magelang Regency.

This study aims to analyze the effect of personalized marketing on customer satisfaction and customer retention, as well as to explain the role of customer satisfaction as a mechanism linking marketing personalization to customers’ decision to remain with a brand. The background of this study is based on the increasing use of data-driven marketing strategies, product recommendations, personalized promotions, and digital communication tailored to customer preferences. In an increasingly competitive business environment, companies are required not only to attract new customers but also to retain existing customers through relevant, convenient, and valuable experiences. This study employed a quantitative explanatory approach, with the population consisting of customers who had received personalized marketing from a particular company or brand. The sampling technique used was purposive sampling, with the criteria that respondents had received personalized promotions and had made repeat purchases. The total sample consisted of 110 respondents. Data were collected using a structured questionnaire with a five-point Likert scale and analyzed using Partial Least Squares Structural Equation Modeling. The findings show that personalized marketing has a positive and significant effect on customer satisfaction. This indicates that promotions, recommendations, and marketing messages that are relevant to customer needs can create more positive customer experiences. Customer satisfaction is also found to have a positive and significant effect on customer retention, meaning that satisfied customers are more likely to make repeat purchases, continue using products or services, and avoid switching to competitors. In addition, personalized marketing has a direct effect on customer retention, although its effect becomes stronger when mediated by customer satisfaction. The implications of this study emphasize that companies need to develop personalization strategies that are not only data-driven but also relevant, ethical, non-intrusive, and oriented toward customer value. Therefore, personalized marketing can serve as an important strategy for improving customer satisfaction and maintaining long-term customer retention.

This study aims to examine flood disaster mitigation efforts carried out by the Regional Disaster Management Agency in Sukamakmur Village, Karawang Regency. This research employed a qualitative method with a case study approach. The theory used in this study is the Strategy Theory proposed by James Brian Quinn (2003:10), which consists of three dimensions: objectives, policies, and programs. The study identifies problems related to flood disasters that occur almost every year in Sukamakmur Village. To address these issues, it is necessary to analyze the mitigation efforts implemented by the Regional Disaster Management Agency (BPBD), as well as the related policies and programs concerning flood disasters. The findings show that the objective of disaster mitigation is directed toward improving community preparedness and capacity in dealing with flood risks. Mitigation policies are implemented through strengthening community capacity based on non-structural mitigation, such as the establishment of Disaster Resilient Villages (DESTANA), village disaster volunteers, and disaster risk assessments. The mitigation programs carried out include disaster awareness socialization, mitigation training, and dissemination of daily weather information. In its implementation, BPBD also coordinates with the village government, sub-district task forces, and the River Basin Management Agency (BBWS). These mitigation programs have had a positive impact on increasing community knowledge, preparedness, and participation, although there are still obstacles in the form of limited budgets, infrastructure, human resources, and suboptimal cross-sector coordination. The contribution of this research is to provide additional insight and new information regarding the role of the Regional Disaster Management Agency in flood disaster mitigation.

High-quality forage selection is a central factor in improving Bali cattle performance, particularly in smallholder systems that rely heavily on local feed resources. This study evaluated the effects of odot grass (Pennisetum purpureum cv. Mott) and pakchong grass (Pennisetum purpureum cv. Thailand) on feed intake, average daily gain, and feed conversion ratio of male Bali cattle. The experiment was conducted for 30 days from February to March 2026 at CV. RnB Farm, Gorontalo Regency. Nine male Bali cattle with relatively homogeneous initial body weights of 150–200 kg was assigned to a completely randomized design with three treatments and three replications. The treatments were P0, field grass as the control; P1, 100% odot grass plus concentrate; and P2, 100% pakchong grass plus concentrate. Dry matter intake did not differ significantly among treatments, with values of 6.47 ± 0.19, 6.52 ± 0.19, and 6.55 ± 0.16 kg/head/day for P0, P1, and P2, respectively. In contrast, average daily gain differed significantly, with the highest value observed in P2 at 0.56 ± 0.08 kg/head/day, followed by P1 at 0.52 ± 0.09 kg/head/day and P0 at 0.45 ± 0.06 kg/head/day. Feed conversion ratio also differed significantly, with the most efficient value recorded in P2 at 11.98 ± 2.10. These findings indicate that pakchong grass combined with concentrate provides the best feed efficiency and growth performance, while odot grass remains a promising alternative forage for improving Bali cattle productivity.

This study aims to determine the implementation of quality standard-based health laboratory management at UPTD LABKESDA Kota Serang. The focus of the study includes planning, implementation, supervision, and evaluation of quality standards in health laboratory services. This research employed a qualitative method with an observational study approach. Data collection techniques were conducted through observation, interviews, and documentation involving parties engaged in laboratory management. Data analysis was carried out through data reduction, data presentation, and conclusion drawing. The results of the study indicate that health laboratory management at UPTD LABKESDA Kota Serang has implemented quality standards in various aspects of service, including administrative management, quality control of examinations, management of facilities and infrastructure, and improvement of laboratory personnel competencies. However, several obstacles were still identified, such as limited human resources, supporting facilities that are not yet optimal, and the need for periodic supervision and evaluation improvements. The implementation of quality standard-based management is considered capable of improving the effectiveness of laboratory services and maintaining public trust in health examination results. Based on the findings, it can be concluded that the implementation of quality standard-based health laboratory management at UPTD LABKESDA Kota Serang has been carried out fairly w, although further improvements and developments are still needed to optimize the quality of laboratory services.

Odot grass (Pennisetum purpureum cv. Mott) is an important ruminant forage because of its high palatability, adaptability to tropical environments, and potential for high biomass production. This study aimed to evaluate the effect of solid organic fertilizer on the growth and production of odot grass as a basis for developing productive and sustainable forage cultivation. The experiment was conducted in Pangi Village, Dulupi District, Boalemo Regency, from February to March 2026 using a completely randomized design with five treatments and three replications. The treatments consisted of P0 without solid organic fertilizer, P1 at 10 t/ha, P2 at 20 t/ha, P3 at 30 t/ha, and P4 at 40 t/ha. Observed variables included plant height, leaf number, tiller number, and fresh weight production. Data were analyzed using analysis of variance followed by Duncan’s multiple range test at the 5% significance level. The results showed that P4 produced the best response for all measured parameters. The highest plant height was 77.83 ± 43.80 cm, with 18.83 ± 3.67 leaves, 2.42 ± 1.38 tillers, and fresh weight production of 52.33 ± 10.12 t/ha. These improvements indicate that 40 t/ha solid organic fertilizer enhanced nutrient availability and supported biomass formation. Solid organic fertilizer is therefore a promising locally based cultivation input for improving ruminant forage productivity.

Diabetes mellitus (DM) is one of the global, national, and regional health problems. DM often requires complex medications and lifestyle management that can impact patients’ daily life, including spiritual practices such as fasting during Ramadhan. For Muslims with DM, fasting during Ramadhan can be challenging due to the need to modify the treatment regimens and risk of hypoglycemia.  This study aimed to analyze the effects of education intervention regarding Ramadhan fasting on knowledge improvement and blood glucose of patient with DM type 2. This study used a case study design involving three patients with DM type 2. All three respondents received education from the researchers. The patients’ knowledge and fasting blood glucose were measured before and after the intervention. The results of this study showed an improvement in knowledge in DM patients after the intervention, while fasting blood sugar results remained unchanged. Based on the results of the study, diabetes mellitus (DM) management education during fasting has been potentially effective in improving respondents' knowledge and prevent hypoglycemia during Ramadhan fasting. In conclusion, education alone is benefit in increasing patient’s knowledge and may prevent hypoglycemia during Ramadhan fasting.

Diabetes mellitus (DM) is one of the global, national, and regional health problems. DM often requires complex medications and lifestyle management that can impact patients’ daily life, including spiritual practices such as fasting during Ramadhan. For Muslims with DM, fasting during Ramadhan can be challenging due to the need to modify the treatment regimens and risk of hypoglycemia.  This study aimed to analyze the effects of education intervention regarding Ramadhan fasting on knowledge improvement and blood glucose of patient with DM type 2. This study used a case study design involving three patients with DM type 2. All three respondents received education from the researchers. The patients’ knowledge and fasting blood glucose were measured before and after the intervention. The results of this study showed an improvement in knowledge in DM patients after the intervention, while fasting blood sugar results remained unchanged. Based on the results of the study, diabetes mellitus (DM) management education during fasting has been potentially effective in improving respondents' knowledge and prevent hypoglycemia during Ramadhan fasting. In conclusion, education alone is benefit in increasing patient’s knowledge and may prevent hypoglycemia during Ramadhan fasting.

Quality education is one of the 17 global goals known as the Sustainable Development Goals (SDGs), particularly Goal 4. This goal aims to ensure equitable, inclusive, and quality education for all people. In Indonesia, elementary school teachers play the most important role because they interact directly with students every day. This article comprehensively examines the role of elementary school teachers in supporting SDG 4 from three main perspectives: teachers’ professional competence, innovative teaching methods, and teachers’ involvement within the school community. The method used is a systematic review of 45 selected scientific sources published between 2020 and 2024, including international journals, reports from global institutions, and Indonesian government policy documents.The findings show that competent, creative, and highly dedicated elementary school teachers are closely related to improving learning quality, increasing school participation, and developing positive character in students. However, several major challenges remain unresolved, such as unequal teacher distribution, low welfare, and limited access to technology—especially in remote areas. This article recommends three main actions: strengthening continuous teacher professional development policies, improving the teacher performance evaluation system to make it more comprehensive, and increasing collaboration among the government, universities, and local communities in order to achieve SDG 4 effectively in Indonesia.

This study aimed to describe the management of Indonesian language learning based on Joyful Learning among eighth-grade students at SMP Negeri 1 Kalikotes in the 2025/2026 academic year. This study employed a qualitative approach with a single case study design. Data were collected through participatory observation, in-depth interviews, documentation studies, and open-ended questionnaires. The findings showed that the implementation of Joyful Learning had been conducted systematically through planning, implementation, and evaluation processes integrated with the principles of the Merdeka Curriculum. Teachers applied varied learning methods, interactive activities, and learning media to create an active, communicative, and enjoyable learning atmosphere. Learning evaluation was carried out continuously by emphasizing students’ participation and learning processes. The implementation of Joyful Learning was supported by teacher competence, school support, and adequate facilities, although several obstacles such as differences in students’ characteristics, literacy abilities, and limited learning time were still encountered. Overall, Joyful Learning contributed positively to improving student engagement and the quality of Indonesian language learning.