نتایج جستجو برای: after a 30 hours sleep deprivation

تعداد نتایج: 13876961  

2014
Ebtihal A. Abd El-Aziz Dalia G. Mostafa EBTIHAL A. ABD EL-AZIZ DALIA G. MOSTAFA

Objectives: sleep deprivation is a significant problem among adult men. It is considered to be a risk factor that contributes to several disease. It has been proposed that reactive oxygen species and the resulting oxidative stress may be responsible for some of the effects of sleep deprivation. The present study was performed to determine the impact of sleep deprivation for different periods on...

Journal: :Learning & memory 2003
Laurel A Graves Elizabeth A Heller Allan I Pack Ted Abel

Many behavioral and electrophysiological studies in animals and humans have suggested that sleep and circadian rhythms influence memory consolidation. In rodents, hippocampus-dependent memory may be particularly sensitive to sleep deprivation after training, as spatial memory in the Morris water maze is impaired by rapid eye movement sleep deprivation following training. Spatial learning in the...

Journal: :Journal of sleep research 2011
Leslie M Swanson J Todd Arnedt Mark R Rosekind Gregory Belenky Thomas J Balkin Christopher Drake

Chronic sleep deprivation is common among workers, and has been associated with negative work outcomes, including absenteeism and occupational accidents. The objective of the present study is to characterize reciprocal relationships between sleep and work. Specifically, we examined how sleep impacts work performance and how work affects sleep in individuals not at-risk for a sleep disorder; ass...

Journal: :Neuropediatrics 2015
Bernhard Schmitt

Sleep and epilepsy have a close relationship. About 20% of patients suffer seizures only during the night, approximately 40% only during the day and approximately 35% during the day and night. In certain epilepsy syndromes, the occurrence of seizures is strongly related to sleep or awakening. Infantile spasms appear predominately on awakening, and hypsarrhythmia is sometimes visible only in sle...

Journal: :JAMA neurology 2014
Sharon Ooms Sebastiaan Overeem Kees Besse Marcel Olde Rikkert Marcel Verbeek Jurgen A H R Claassen

IMPORTANCE Increasing evidence suggests a relationship between poor sleep and the risk of developing Alzheimer disease. A previous study found an effect of sleep on β-amyloid (Aβ), which is a key protein in Alzheimer disease pathology. OBJECTIVE To determine the effect of 1 night of total sleep deprivation on cerebrospinal fluid Aβ42 protein levels in healthy middle-aged men. DESIGN, SETTIN...

بیدهندی, غلامرضا نبی, هویدی, حسن, امیری, محمدجواد , قازانچایی, الهام ,

  Background: Yearly thousands workers throughout the world, particularly in developing country are involved in work-related accidents resulting work force disability and eventually, costing a lot for industries. Recent researches show that transition into and out of DST (Day Light Saving Time) plan causes imbalance circadian rhythm and may lead to sleep disorders. Sleep deprivation may have ne...

2017
Malav S Trivedi Dana Holger Anh Tuyet Bui Travis J A Craddock Jaime L Tartar

Sleep is critical for repair as well as the rejuvenation processes in the body and many of these functions are regulated via underlying cellular metabolic homeostasis. Changes in sleep pattern are reported to alter such metabolic function resulting in altered disease susceptibility or behavior. Here, we measured the extent to which overnight total sleep deprivation (SD) in young adult humans ca...

Journal: :Sleep medicine 2013
A Wilder-Smith F B Mustafa A Earnest L Gen P A Macary

BACKGROUND Sleep quality is considered to be an important predictor of immunity. Lack of sleep therefore may reduce immunity, thereby increasing the susceptibility to respiratory pathogens. A previous study showed that reduced sleep duration was associated with an increased likelihood of the common cold. It is important to understand the role of sleep in altering immune responses to understand ...

2005
Timothy Roehrs

DISTURBED SLEEP IS A FREQUENT COMPLAINT OF PEOPLE EXPERIENCING ACUTE AND CHRONIC PAIN. OBJECTIVE ELECTROPHYSIOLOGIC STUDIES OF sleep in surgery patients with acute pain have documented reductions in sleep and rapid eye movement (REM) sleep time, frequent brief arousals, and also longer awakenings during 1 to 6 days of postsurgical recovery.1-7 Any number of confounding factors, including the sl...

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