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"In this comprehensive research paper published in the Journal of Sleep Research, we explore in detail the effects of sleep deprivation on various aspects of cognitive performance including memory, attention, decision-making, and reaction time. Our study involved 50 participants who were divided into different groups with varying levels of sleep restriction over a period of two weeks. We conducted extensive testing including cognitive assessments, brain imaging, and behavioral observations. The methodology involved controlled sleep conditions and rigorous data collection procedures. After analyzing all the data and controlling for various confounding factors, we concluded that even mild sleep loss of just one or two hours per night significantly impairs attention, working memory, and overall cognitive functioning. These findings have important implications for workplace productivity, academic performance, and public health policies."