About the Journal

In the study titled "The Impact of Sleep Deprivation on Cognitive Performance: A Meta-Analysis," Smith, Doe, and Davis conduct a comprehensive meta-analysis to examine the relationship between sleep deprivation and cognitive performance across various experimental settings and populations. The authors synthesize data from 50 relevant research studies published between 2010 and 2023, encompassing both controlled laboratory experiments and field studies.

The key findings of the meta-analysis reveal a significant and robust negative effect of sleep deprivation on cognitive performance. The analysis indicates that sleep-deprived individuals consistently demonstrate impaired cognitive functions, including reduced attention span, decreased working memory capacity, and slower reaction times. Furthermore, the study identifies a dose-response relationship, where more extended periods of sleep deprivation correspond to more pronounced declines in cognitive abilities.

Subgroup analyses highlight the differential impact of sleep deprivation on various cognitive domains, with memory tasks being particularly susceptible to impairment. Additionally, the authors delve into potential moderating factors such as age, gender, and task complexity, shedding light on how these variables may influence the relationship between sleep deprivation and cognitive performance.

The meta-analysis underscores the critical importance of adequate sleep for maintaining optimal cognitive functioning. The findings have practical implications for individuals in demanding professions, such as healthcare workers and shift workers, as well as for educators and policy-makers concerned with optimizing educational and work environments. The authors emphasize the need for public awareness campaigns and workplace policies that promote healthy sleep habits to mitigate the negative consequences of sleep deprivation on cognitive performance.


Journal Description

KHAZANAH INFORMATIKA is a peer-reviewed journal in the field of medical and health sciences. This journal is designed as a place of dissemination of information and scientific knowledge, which publishes three times a year at April, August and December. It publishes original article, article review, and case report. These comprise of biomedical sciences, clinical medicine, public health sciences, and medical science education.


This journal has been established since 2009 as JKKI: Jurnal Kedokteran dan Kesehatan Indonesia (Print ISSN 2085-4145, Online ISSN 2527-2950) managed by the Faculty of Medicine, Universitas Islam Indonesia.