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Abstrak :
The study sought to evaluate smartwatch-based sleep quality indicators of fitness to work. Eighteen males (aged 20–26 years) were assigned to three randomized daytime sleep conditions (bad/moderate/good), which varied in terms of lighting, noise, and temperature, for a six-hour period. After this daytime sleep, participants completed simulated computer tasks during a 12-hour nighttime waking period. Prior to those tasks, participants’ fitness to work was determined by subjective measures that included the Sleep Quality Index-Karolinska Sleep Diary (SQI-KSD)), the Psychomotor Vigilance Task (PVT)), and the Karolinska Sleepiness Scale (KSS) to measure drowsiness. Total sleep time (TST), light sleep quantity (LSQ), deep sleep quantity (DSQ), and REM sleep quantity (REMSQ) were recorded using a smartwatch. The results confirmed that TST, LSQ, and SQI-KSD can be used as measures of sleep quality and fitness to work (p < 0.05).

Abstrak :
>Penelitian ini bertujuan mengevaluasi tingkat kelelahan pada pengemudi truk menggunakan metode Karolinska Sleepiness Scale (KSS) serta Psychomotor Vigilance Task (PVT) dalam mengukurnya. Melalui pendekatan kuantitatif, penelitian ini menggunakan metode statistic Paired Sample t test, Wilcoxon signed rank, regresi logistik, Kruskal-Wallis dan Spearman's rho untuk menganalisis data dari 15 pengemudi dengan berbagai variabelnya. Hasil menunjukkan terdapat perbedaan signifikan dalam skor KSS antara kelompok dengan ρ-value  <0.001, dari hasil output PVT signifikansi terdapat pada variabel Median, Maximum RT dan Slowest10% dengan nilai ρ-value  <0.05. Analisis menggunakan Spearman Rho didapatkan korelasi hubungan positif yang signifikan antara hasil KSS dan nilai Minimum RT serta variabel Fastest10%, kemudian menggunakan uji yang sama untuk kelelahan dan violation (pelanggaran) hasil hubungan yang signifikan antara kelelahan dengan pengereman. Untuk analisis Uji Kruskal Wallis nilai signifikansi diperoleh pada variabel USIA dengan KSS dan Pengalaman (Experience). Hasil analisis regresi logistik terdapat tiga variabel yang di anggap signifikansi yaitu Durasi Bekerja (Sig.) 0.015, Jumlah Orang (Sig.) 0.001, Cylinder (Sig.) 0.016. Keterbatasan penelitian termasuk ukuran sampel yang terbatas dan ketergantungan pada alat ukur subjektif dan objektif yang terbatas. Penelitian masa depan disarankan untuk memasukkan instrumen tambahan dan menganalisis pengaruh variabel eksternal pada kelelahan pengemudi. ......Research aims to evaluate level fatigue of truck drivers using the Karolinska Sleepiness Scale (KSS) and Psychomotor Vigilance Task (PVT). A quantitative approach, this research uses the statistical method Paired Sample t test, Wilcoxon signed rank, logistic regression, Kruskal-Wallis and Spearman's rho to analyze data from 15 drivers with various variables. The results show that there is a significant difference in KSS scores with a ρ-value <0.001, from PVT outputs results significance is found in the Median, Maximum RT and Slowest10% variables with a ρ-value <0.05. Analysis using Spearman Rho showed significant positive correlation between the KSS results and the Minimum RT value and the Fastest10% variable, then using the same test for fatigue and violation, the results showed a significant relationship between fatigue and braking. For the Kruskal Wallis analysis, significance values were obtained for the variable AGE with KSS and Experience. The results of logistic regression analysis found three variables were considered significant, Duration of Work (Sig.) 0.015, Number of People (Sig.) 0.001, Cylinder (Sig.) 0.016. Study limitations include limited sample size and reliance on limited subjective and objective measurement tools. Future research is recommended to include additional instruments, analyze the influence of external variables on driver fatigue.

Abstrak :
Traffic accidents are the third largest cause of death according to the World Health Organization. Moreover, driver fatigue is the second largest factor that causes traffic accidents after traffic violations. The purpose of this study is to find out the significance of driver fatigue using physiological, cognitive, and subjective approaches, as well as a comparison of fatigue between male and female drivers. The study involved twelve respondents, which included six male respondents and six female respondents aged 17−25 years old, measured by physiological (blood pressure and heart rate), cognitive (psychomotor vigilance test), and subjective (Karolinska Sleepiness Scale) approaches. The result of this study is that heart rate is the most sensitive variable. However all of the variables in male and female respondents do not have a significant result. There is no big difference in fatigue levels in male and female car drivers. The conclusion of the study is that the approaches could not be a standardized way to measure fatigue for male and female car drivers because of the variation in results.

Abstrak :
Modernisasi industri menyebabkan sistem otomatisasi menjadi hal yang semakin umum terjadi. Sistem kerja shiftwork juga dilakukan agar aktivitas produksi atau layanan vital tidak berhenti, seperti pada pertambangan dan rumah sakit. Sistem ini membutuhkan manusia agar selalu berada dalam kondisi alertness tinggi yang membutuhkan kondisi prima. Akan tetapi, sistem ini menyebabkan peningkatan pada rasa lelah, stres dan kantuk yang menurunkan alertness yang berpengaruh buruk pada keselamatan dan kesehatan. Aromaterapi merupakan salah satu metode menggunakan minyak esensial untuk menimbulkan respon psikologis dan fisiologis yang mudah digunakan dan memiliki potensi yang luas. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian aromaterapi terhadap tingkat alertness pada orang dewasa dengan menggunakan metode tinjuan literatur sistematis dari tahun 2000-2020. Pencarian dilakukan menggunakan 7 database yang menghasilkan 16 literatur yang sesuai dengan kriteria inklusi yang ditentukan. Hasil penelitian mengenai pengaruh pemberian aromaterapi terhadap waktu reaksi dan proses kognitif adalah sebagai berikut: peppermint merupakan jenis tumbuhan aromaterapi yang diusulkan paling efektif dalam mempengaruhi tingkat alertness secara positif; diikuti oleh lavender, rosmari, petitgrain, cinnamon dan I. helenium.

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Industrial modernization requires automatisation system to be implemented more commonly. Shiftwork system is also done to ensure that production activity in industry or vital services, such as hospital, do not stop. These systems requires workers to always be alert which needs to be supported by optimum body function. Even so, these systems increases fatigue, stress, and drowsiness, lowering alertness and increases the risk of incident and accident which are detrimental to health and safety. Aromatherapy is a method using essential oils to evoke physiological and psychological reaction which is easy to use and has high potential. This study aims to find the effect of aromatherapy on alertness in adults using systematic literature review based on article from 2000-2020. Database searches are conducted using 7 database which resulted in 16 articles which fulfilled the inclusion criteria. The results of the study are as follow: peppermint is suggested to be the most effective type of aromatherapy to positively affect alertness or vigilance; followed by lavender, petitgrain, cinnamon, and I. helenium.

Abstrak :
ABSTRAK
Latar Belakang. Tenaga kesehatan di rumah sakit memerlukan tingkat kewaspadaan yang tinggi saat kerja gilir dimalam hari, untuk meminimalisir terjadinya kecelakaan medis ataupun kelalaian medis akibat penurunan tingkat kewaspadaan. Memberikan waktu tidur singkat dapat merupakan suatu solusi untuk dapat tetap menjaga tingkat kewaspadaan saat bekerja gilir dimalam hari.Tujuan. Mengetahui seberapa besar pengaruh intervensi tidur singkat terhadap tingkat kewaspadaan pekerja medis dan paramedis di RSUD Tanah Abang saat kerja gilir di malam hari.Metode. Penelitian pre-post experiment dilakukan di RSUD Tanah Abang dengan proportional random sampling. Kriteria inklusi subyek meliputi pekerja gilir malam yang dalam kondisi laik kerja. Pengukuran karakteristik subyek termasuk aktivitas harian dan asupan makanan saat dinas dilakukan melalui pemeriksaan fisik dan kuesioner terstandar. Intervensi diberikan berupa satu siklus waktu tidur singkat selama maksimal 30 menit pada saat waktu gilir malam. Pengukuran tingkat kewaspadaan dilakukan dengan Mackworth clock test pada awal dan akhir shift saat subyek tidak mendapatkan perlakuan tidur singkat maupun mendapatkan perlakuan tidur singkat. Pada saat mendapatkan perlakuan tidur singkat dilakukan pengukuran tambahan pada saat sebelum dan sesudah tidur singkat.Hasil. 4 pekerja medis dan 14 paramedis diikutsertakan dalam penelitian. Subyek penelitian tidak memiliki karakteristik dasar dan pola asupan makanan yang homogen. Tidak ada perbedaan tingkat kewaspadaan yang bermakna antara kerja gilir malam tanpa tidur singkat skor 571,45 458-1477 dengan kerja gilir malam dengan perlakuan tidur singkat skor 609,33 466-1658 dengan p=0,500.pada populasi yang diteliti. Hasil yang sama didapatkan setelah penyesuaian dilakukan berdasarkan aktivitas harian dan asupan makanan.Kesimpulan. Tidak ada pengaruh intervensi tidur singkat terhadap tingkat kewaspadaan pekerja medis dan paramedis.

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ABSTRACT
Background. Healthcare provider at hospital need to be in high vigilance during their night shift. This is important to minimize medical mishap and negligence. Power nap allocation could be one of the solutions to maintain the level of vigilance during night shift.Aim. To identify how power nap influences medic and paramedic staff vigilance during night shift at Tanah Abang regional hospitalMethods. A pre post experimental study was conducted at Tanah Abang regional hospital using proportional random sampling. Inclusion criteria includes night shift workers who were fit to work. Baseline characteristics including daily activities record and food consumption were measured using standarize physical examination and questionnaires. Intervention was given a single cycle of power nap of maximal 30 minutes during night shift. Measurement of vigilance was conducted using Mackworth clock test at the begining and at the end of shift with or without intervention. During the intervention period, additional vigilance measurements were conducted.Result. We included 4 medics and 14 paramedics into the study. Subjects were relatively similar in baseline characteristics and food consumptions pattern. There is no signficance difference in vigilance between night shift without intervention score 571,45 458 1477 or with intervention score 609,33 466 1658 , with wilcoxon comparative test p 0,500 . Similar results persist even with adjustment in daily activities. Conclusion. There was is no significant improvement of vigilance level at the end of night shift with power nap interventionKeywords. Power Nap, Vigilance, Food Intake, Daily Activity, Medic, Paramedic, Night Shift

Abstrak :
It is common for us today to associate the practice of science primarily with the act of seeing—with staring at computer screens, analyzing graphs, and presenting images. We may notice that physicians use stethoscopes to listen for disease, that biologists tune into sound recordings to understand birds, or that engineers have created Geiger tellers warning us for radiation through sound. But in the sciences overall, we think, seeing is believing. This open access book explains why, indeed, listening for knowledge plays an ambiguous, if fascinating, role in the sciences. For what purposes have scientists, engineers and physicians listened to the objects of their interest? How did they listen exactly? And why has listening often been contested as a legitimate form of access to scientific knowledge? This concise monograph combines historical and ethnographic evidence about the practices of listening on shop floors, in laboratories, field stations, hospitals, and conference halls, between the 1920s and today. It shows how scientists have used sonic skills—skills required for making, recording, storing, retrieving, and listening to sound—in ensembles: sets of instruments and techniques for particular situations of knowledge making. Yet rather than pleading for the emancipation of hearing at the expense of seeing, this essay investigates when, how, and under which conditions the ear has contributed to science dynamics, either in tandem with or without the eye.