Judul: Kualitas Tidur Buruh Pabrik di Kabupaten dan Kotamadya Bogor
Abstrak: Sleep is a condition when the brain does not process the information from sensory neurons and does not give the command to motor neurons. During the sleep, a person experiences memory consolidation encompassed process of storing and disposing of information obtained when awake. The aim of this research is to determine sleep quality of factory workers in Bogor region. The sleep quality of a person can be determined using the Pittsburgh Sleep Quality Index (PSQI). The sleep quality was obtained from seven components: subjective sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. Based on the observations in three factories in Bogor region, female workers have worse sleep quality than male workers. The majority of male workers who have good sleep quality contained in the 15-39 year age class and poor sleep quality are the 40-54 year age class. The majority of female workers who have good sleep quality contained in the 30-54 year age class and poor sleep quality are the 15-29 year age class.
Keyword: workers factory, sleep quality, PSQI

Judul: Kualitas Tidur Karyawan di Jakarta
Abstrak: DKI Jakarta is a capital city of indonesia and it has became a megapolitan city. DKI Jakarta as a central of business and government also, so its citizens and workers have high activities. High activity is so frequently associated with sleep quality. Sleep is a condition when the brain does not process the information from sensory neurons and does not give the command to motor neurons. The aim of this research were to collect the data and to determine sleep quality of employees in Jakarta. In determining sleep quality, 295 subjects were measured with Pittsburgh Sleep Quality Index (PSQI). Present study shows that sleep quality of older employees better than younger. Statistical analysis indicates that there is significant negative correlation between age and sleep quality (p=0.0322). Either male or female employees have similar percentages between their good and poor sleep quality. Thus, sex does not significantly affect to sleep quality and they have no statistical correlation (p=0.1615). Income and education indirectly are not much important factor in relation to sleep quality. Statistical analysis shows that sleep quality has no statistical correlation to income (p=0.5432) and education (p=0.6621).
Keyword: Age, education, employees, income, sex, sleep quality.

Judul: Posisi Filogenetik Kura-Kura Carettochelys Insculpta  (Reptillia: Testudinata)
Abstrak: Carettochelys insculpta is an endemic freshwater turtle of southern Papua and northern Australia. Phylogenetic position of this turtle is remain unresolved until now. Most of the research conducted show close relationships of C. insculpta and members of Trionychidae family. However, some of the research show distance between C. insculpta and members of Trionychidae family. This research is conducted to analyze phylogenetic relationship between C. insculpta and other members of Testudinata using 12S rRNA, 16S rRNA, and both gene as markers. DNA samples were obtained from three different organisms of C. insculpta. Two species used as outgroups were Alligator mississippiensis and Iguana iguana. Phylogenetic analysis was carried out using Neighbor-Joining method with Felsenstein 1981 (F81) modeltest. A polytomy tree of Testudinata was produced by using 12S rRNA gene. However, analysis using 16S rRNA and both genes as markers confirmed that C. insculpta was located between the Chelonidae and the Trionychidae family.
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