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Research papers on Sleep deprivation and cognition

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  1. Neurocognitive Consequences of Sleep Deprivation

    Jeffrey S. Durmer, David F. Dinges · 2005 · Seminars in Neurology · 1,473 citations

    Deficits in daytime performance due to sleep loss are experienced universally and associated with a significant social, financial, and human cost. Microsleeps, sleep attacks, and lapses in cognition increase with sleep loss as a function of state instability. Sleep deprivation studies repeatedly show a variable (negative) impact on mood, cognitive performance, and motor function due to an increasing sleep propensity and destabilization of the wake state. Specific neurocognitive domains including executive attention, working memory, and divergent higher cognitive functions are particularly vulnerable to sleep loss. In humans, functional metabolic and neurophysiological studies demonstrate tha

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  3. Sleep deprivation: Impact on cognitive performance

    Paula Alhola, Päivi Polo‐Kantola · 2007 · Neuropsychiatric Disease and Treatment · 867 citations

    Today, prolonged wakefulness is a widespread phenomenon. Nevertheless, in the field of sleep and wakefulness, several unanswered questions remain. Prolonged wakefulness can be due to acute total sleep deprivation (SD) or to chronic partial sleep restriction. Although the latter is more common in everyday life, the effects of total SD have been examined more thoroughly. Both total and partial SD induce adverse changes in cognitive performance. First and foremost, total SD impairs attention and working memory, but it also affects other functions, such as long-term memory and decision-making. Partial SD is found to influence attention, especially vigilance. Studies on its effects on more demand

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  5. Effects of Partial and Acute Total Sleep Deprivation on Performance across Cognitive Domains, Individuals and Circadian Phase

    June Chi-Yan Lo, John A. Groeger, Nayantara Santhi, et al. · 2012 · PLoS ONE · 341 citations

    BACKGROUND: Cognitive performance deteriorates during extended wakefulness and circadian phase misalignment, and some individuals are more affected than others. Whether performance is affected similarly across cognitive domains, or whether cognitive processes involving Executive Functions are more sensitive to sleep and circadian misalignment than Alertness and Sustained Attention, is a matter of debate. METHODOLOGY/PRINCIPAL FINDINGS: We conducted a 2 × 12-day laboratory protocol to characterize the interaction of repeated partial and acute total sleep deprivation and circadian phase on performance across seven cognitive domains in 36 individuals (18 males; mean ± SD of age = 27.6 ± 4.0 yea

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  7. The consequences of sleep deprivation on cognitive performance

    Mohammad Khan, Hamdan H. Al-Jahdali · 2023 · Neurosciences · 170 citations

    Although not fully understood, sleep is accepted as a vital and organized sequence of events that follows a regular cyclic program each night to ensure the human body can perform at its optimum. A lack of sleep, or sleep deprivation (SD), is a widespread phenomenon that can induce adverse changes in cognitive performance. This review focused on the biological explanation as well as the research investigating the numerous effects that SD can have on cognition. A reduction in sleep does not occur independently of the effects on memory, attention, alertness, judgment, decision-making, and overall cognitive abilities in the brain, resulting in decreased function and impaired cognitive performanc

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  8. The effects of sleep deprivation on divergent thinking and attention processes

    Frank Wimmer, Robert F Hoffmann, Richard A. Bonato, et al. · 1992 · Journal of Sleep Research · 150 citations

    Twelve male undergraduate students were deprived of sleep for one night and were tested with a series of cognitive tasks. Their performance was compared to the performance of thirteen control subjects. Two hourly tasks and three occasional tasks were administered in order to examine cognitive performance following sleep loss. In an attempt to replicate the findings of Horne (1988a), the figural form of the Torrance Tests of Creative Thinking was administered. To explore the effects of short-term sleep deprivation on attention, the following tasks were also administered: a working memory task, a trail-making task, a vowel/consonant discrimination task, and a letter recognition task. Results o

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  9. Effects of Sleep Deprivation on the Cognitive Performance of Nurses Working in Shift

    Deepalakshmi Kaliyaperumal · 2017 · JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH · 123 citations

    INTRODUCTION: Sleep deprivation and altered circadian rhythm affects the cognitive performance of an individual. Quality of sleep is compromised in those who are frequently involved in extended working hours and shift work which is found to be more common among nurses. Cognitive impairment leads to fatigability, decline in attention and efficiency in their workplace which puts their health and patients' health at risk. AIM: To find out the prevalence of sleep deprivation and its impact on cognition among shift working nurses. MATERIALS AND METHODS: Sleep deprivation among 97 female and three male healthy nurses of age 20-50 years was assessed by Epworth sleepiness scale (ESS). Cognition was

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  10. The effects of chronic sleep reduction on the performance of cognitive tasks sensitive to sleep deprivation

    Mark Blagrove, Carol Alexander, James A. Horne · 1995 · Applied Cognitive Psychology · 88 citations

    In four sleep loss experiments we aimed, first, to compare performance during long‐term sleep reduction with performance during short‐term total sleep deprivation, and second, to measure the effects of both methods of sleep loss on ability to ignore distracting irrelevant stimuli, using a finding embedded figures test (FEFT). Logical reasoning, auditory vigilance and finding embedded figures tasks were shown to be significantly sensitive to one night's sleep deprivation. However, in one sleep reduction study subjects reduced to a mean of 5.2 hours sleep per night for 4 weeks showed no performance deficits on logical reasoning. In a second sleep reduction study subjects reduced to a mean of 4

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  11. Sleep Deprivation and Sustained Attention Performance: Integrating Mathematical and Cognitive Modeling

    Glenn Gunzelmann, Joshua B. Gross, Kevin A. Gluck, et al. · 2009 · Cognitive Science · 83 citations

    A long history of research has revealed many neurophysiological changes and concomitant behavioral impacts of sleep deprivation, sleep restriction, and circadian rhythms. Little research, however, has been conducted in the area of computational cognitive modeling to understand the information processing mechanisms through which neurobehavioral factors operate to produce degradations in human performance. Our approach to understanding this relationship is to link predictions of overall cognitive functioning, or alertness, from existing biomathematical models to information processing parameters in a cognitive architecture, leveraging the strengths from each to develop a more comprehensive exp

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  14. Influence of Sleep Deprivation on Cognitive Performance

    Chitralekha Rajuskar -, Vishal Badarke - · 2024 · International Journal For Multidisciplinary Research · 2 citations

    Sleep deprivation is a pervasive phenomenon affecting millions worldwide, with profound implications for cognitive performance. This article explores the intricate interplay between sleep and cognition, examining the multifaceted effects of sleep deprivation on various aspects of cognitive function. Drawing upon neuro scientific research and clinical studies, we delve into the biological mechanisms underlying the impact of sleep loss on memory, attention, executive function, and emotional regulation. Additionally, we explore the implications of sleep deprivation for academic and occupational performance, as well as its potential long-term consequences for cognitive health. This article aims

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  16. Impact of Sleep Deprivation on Cognitive Performance through Neurophysiological Mechanisms of Attention Memory and Learning

    Sadhvi Sadhvi, Ahsan Abid, Enam Ahmad, et al. · 2026 · International journal of life sciences, biotechnology and pharma research.

    Background: Sleep deprivation is increasingly common among young adults and is known to adversely affect cognitive functions. Adequate sleep is essential for attention, memory consolidation, and learning processes, while its deprivation may lead to neurophysiological and cognitive impairment. Aim: To assess the impact of sleep deprivation on cognitive performance with special reference to attention, memory, and learning, and to explore associated neurophysiological mechanisms. Material and Methods: This hospital-based cross-sectional study was conducted in the Department of Physiology at Dr. B.S. Kuswah Institute of Medical Sciences, Kanpur. A total of 110 participants aged 18–40 years were

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  17. The Effect of Sleep Deprivation on Cognitive Performance in University Students

    Sushma V kerur, M Prasad · 2026 · International journal of research and scientific innovation

    This study explores the impact of sleep deprivation on cognitive performance, specifically focusing on attention and memory, in university students. A group of 50 undergraduate students will undergo cognitive testing following both a normal sleep cycle and a sleep deprivation condition. It is hypothesized that sleep deprivation will significantly impair cognitive performance, especially in tasks involving memory recall and sustained attention. The results could inform future strategies for improving student performance and mental health in academic settings.

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  18. Sleep Deprivation, Memory Consolidation, and Cognitive Function: A Neuroscience Analysis

    Anting Cai · 2026 · Theoretical and Natural Science

    Although the negative effects of sleep deprivation on learning, memory and executive function are well-known, an increasing number of studies have put forward that these impairments are mainly due to a disturbance in sleep-dependent memory consolidation rather than fatigue alone. This paper investigates the connection between sleep and memory and cognition, examines how the brain processes information during sleep to promote learning, and enhances high-order thinking skills. Currently, it has been shown that memories formed in a waking state are organised during sleep through cooperation among the hippocampus, neocortex and prefrontal cortex. Meanwhile, there is temporal coupling between the

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