sleep deprivation/fatigue

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Leathanach 1 ó 190 torthaí

Circadian rhythms of catecholamine excretion, shooting range performance and self-ratings of fatigue during sleep deprivation.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

Circadian rhythms in urinary catecholamine excretion, performance and self-ratings were studied in two experiments with a total of 29 subjects who were deprived of sleep for 72 hr. Adrenaline excretion and fatigue ratings showed the most consistent circadian variations; noradrenaline and performance

Modafinil vs. caffeine: effects on fatigue during sleep deprivation.

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Logáil Isteach / Cláraigh

BACKGROUND The extent to which modafinil and caffeine reverse fatigue effects (defined as performance decrements with time on task) during total sleep deprivation was investigated. METHODS There were 50 healthy young adults who remained awake for 54.5 h (06:30 day 1 to 13:00 day 3). A 10-min

Functional network changes associated with sleep deprivation and fatigue during simulated driving: validation using blood biomarkers.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

OBJECTIVE Network analysis of electroencephalograph (EEG) signals to study the effect of fatigue and sleep deprivation in human drivers and its validation using blood biochemical parameters. METHODS We present a new method of detection of human fatigue and sleepiness by studying the variation of

Effects of fatigue from sleep deprivation on experimental periodontitis in rats.

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Logáil Isteach / Cláraigh

OBJECTIVE Factors such as vascularization of the periodontium, inflammatory reactions and immune response affect the oral environment and ecology, decreasing host resistance and promoting the development of symptoms and the advancement of periodontal disease. Fatigue also influences the

Effects of chitooligosaccharide lactate salt on sleep deprivation-induced fatigue in mice.

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Logáil Isteach / Cláraigh

Chitooligosaccharides (COS), oligosaccharides composed of two to seven glucosamine residues, are known to exhibit various biological activities. In this study, we investigated the effects of COS in an in vivo mouse sleep deprivation-induced fatigue model in an effort to develop a functional food

Quantitative physiologically based modeling of subjective fatigue during sleep deprivation.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

A quantitative physiologically based model of the sleep-wake switch is used to predict variations in subjective fatigue-related measures during total sleep deprivation. The model includes the mutual inhibition of the sleep-active neurons in the hypothalamic ventrolateral preoptic area (VLPO) and the

Childbirth fear, anxiety, fatigue, and sleep deprivation in pregnant women.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

OBJECTIVE To explore women's levels of childbirth fear, sleep deprivation, anxiety, and fatigue and their relationships during the third trimester of pregnancy. METHODS A cross-sectional descriptive survey of a community sample. METHODS Six hundred and fifty English-speaking nulliparous and

The effect of fatigue, sleep deprivation and onerous working hours on the physical and mental wellbeing of pre-registration house officers.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

The potential deleterious effects of doctors' long and arduous shifts have received relatively scant attention. This study addressed the effect of a 32 h on-call shift on 16 pre-registration medical house officers in St. James's Hospital, Dublin. We assessed 5 psychological parameters

Modeling fatigue over sleep deprivation, circadian rhythm, and caffeine with a minimal performance inhibitor model.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

Sleep loss, as well as concomitant fatigue and risk, is ubiquitous in today's fast-paced society. A biomathematical model that succeeds in describing performance during extended wakefulness would have practical utility in operational environments and could help elucidate the physiological basis of

Erythrocyte magnesium and prostaglandin dynamics in chronic sleep deprivation.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

OBJECTIVE The mechanism of sudden cardiac death occurring in patients with chronic fatigue is controversial. This study was designed to define a hypothesis that coronary arterial spasm and thrombus formation can occur during chronic fatigue. METHODS For evaluating the feasibility of coronary

Auditory event-related potentials and psychological changes during sleep deprivation.

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Logáil Isteach / Cláraigh

This study investigated the psychophysiological effects of sleep deprivation on auditory event-related potentials (AERPs) and their relationship with psychological parameters. Twenty-four subjects remained awake for 37 h under continuous surveillance. In the mornings and the evenings of 2

TNFα G308A genotype, resilience to sleep deprivation, and the effect of caffeine on psychomotor vigilance performance in a randomized, double-blind, placebo-controlled, crossover study

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Logáil Isteach / Cláraigh

The TNFα G308A gene polymorphism has been reported to influence performance impairment during total sleep deprivation (TSD). We investigated this effect in a randomized, double-blind, crossover laboratory study of repeated exposure to 48 h TSD with caffeine administration at different doses.

Sleep deprivation does not affect neuronal susceptibility to mild traumatic brain injury in the rat.

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Logáil Isteach / Cláraigh

Mild and moderate traumatic brain injuries (TBIs) (and concussion) occur frequently as a result of falls, automobile accidents, and sporting activities, and are a major cause of acute and chronic disability. Fatigue and excessive sleepiness are associated with increased risk of accidents, but it is

[Sleep deprivation as a method of treating endogenous depression].

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Logáil Isteach / Cláraigh

Forty-six patients with various forms of endogenous depression were treated by night sleep deprivation (NSD) which was used as the cardinal method of treatment. A single session of NSD induced a considerable clinical improvement lasting 2-3 days in the majority of patients. Repetition of the

A case-crossover study of sleep, fatigue, and other transient exposures at workplace and the risk of non-fatal occupational injuries among the employees of an Italian academic hospital.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

OBJECTIVE Transient exposure with acute effect has been shown to affect the risk of occupational injuries in various industrial settings and at the healthcare workplace. The objective of this study has been to identify transient exposures related to occupational injury risk in an Italian teaching

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Herbal & Natural Medicine

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