Articles tagged with Sleep Deprivation
A new report from Flinders University reveals that Australia is facing a silent public health crisis due to poor sleep habits. The report outlines four priority actions to address the issue and calls for urgent action from policymakers to bring sleep to the forefront of the country's health agenda.
A study of European jackdaws reveals that sleep-deprived birds prioritize deep sleep over vigilant wakefulness. The findings suggest that even flexible sleep strategies have limits, highlighting the importance of understanding animal sleep patterns to better comprehend human sleep loss.
A study from the University of Vaasa examines the effects of insufficient sleep on work performance and presents practical methods for identifying and managing its impacts. Employees who suffer from fatigue should enhance their coping skills by scheduling tasks based on difficulty and slowing down their work pace.
Researchers identified a brain signal involved in impaired attentional control from sleep deprivation that could predict worsened athletic performance. Athletes with stronger attention control may be more easily able to overcome the negative effects of lack of sleep and stress on their competitive performances.
Despite severe sleep deficits, insomniac fruit fly mutants exhibit enhanced memory performance through altered PKA signaling in the mushroom body. This finding suggests a complex relationship between sleep and memory functions.
Researchers developed the Boston Mattress Satisfaction Questionnaire (BMSQ) to rigorously assess mattress satisfaction and characteristics. The study found that most people reported being somewhat satisfied with their current mattresses, with an average score of 6.9 out of 10.
Research reveals that even a single night of sleep deprivation can alter the profile of immune cells, similar to those found in individuals with obesity. This suggests that the immune system is highly sensitive to sleep patterns and may contribute to long-term inflammatory states and increased risk of disease.
A Michigan State University study reveals racial and ethnic disparities in children's sleep patterns, with non-white and multiracial children experiencing more significant variability in bedtime and rise time. The research emphasizes the importance of addressing systemic inequities to promote healthy sleep equity among all children.
A new study reveals that sleep deprivation can inhibit the brain's ability to suppress unwanted memories and intrusive thoughts. Researchers found that well-rested individuals showed more activation in a specific brain region when attempting to suppress memories, while sleep-deprived individuals struggled with this task.
A new study published in PNAS found that sleep deprivation leads to memory control deficits, making it harder to suppress unwanted memories. REM sleep rejuvenates brain regions that support memory inhibition, reducing the likelihood of intrusive memories.
Researchers suggest that traditional fairy tales like Snow White, The Princess and the Pea, Goldilocks and the Three Bears, and Peter Pan offer opportunities to discuss healthy sleep with children. These stories highlight the importance of optimising environmental conditions and managing stress for better sleep.
A new review reveals how sleep disturbances exacerbate dementia symptoms, impacting overall health and caregiver well-being. The study emphasizes the need for holistic approaches to address coexisting conditions like cardiovascular disease and diabetes.
A study reveals that protein kinase A promotes wakefulness, while protein phosphatase 1 and calcineurin promote sleep in mammals. The balance between sleep and wakefulness is regulated by multiple enzymes, including PKA, PP1, and calcineurin.
A new study found that females sleep less and wake up more often than males, with females experiencing shorter bouts of sleep. The study suggests biological factors may play a role in driving these sleep differences, rather than lifestyle or caregiving roles.
A Michigan Medicine study of over 18,500 adults found that obstructive sleep apnea was associated with a higher risk of dementia symptoms or diagnosis at every age level. Women were more likely to be diagnosed with dementia than men, especially as they aged.
A new study found that moving clocks forward and backward in spring and autumn causes a substantial but short-lived effect on sleep duration. While men tend to catch up on lost sleep, women experience increased insomnia and sleep difficulties after clock changes.
Scientists found that sleep deprivation during early life can negatively impact key brain functions, leading to lasting effects on behavior and social skills. The study also suggests that genetic risk for autism spectrum disorder can interact with sleep disruption to cause long-lasting changes.
Researchers found that users pay a price for free mobile apps, including reduced focus, sleep deprivation, and loss of physical contact. Users prefer to make one-time purchases to protect their privacy over using services with hidden costs.
Research finds poor sleep quality directly relates to mortality risk, even before adjusting for lifestyle factors. Dementia is associated with increased mortality risk among individuals with better sleep quality, males, and older White adults.
A recent survey found that phone use at night negatively impacts teenage mental health, particularly among those who have been cyberbullied. Approximately 66% of girls and 58% of boys reported being cyberbullied, with stress levels in the moderate-to-severe range reported by 38% of girls and 23% of boys.
Researchers tested suvorexant's effectiveness in reducing delirium in older adults, with findings suggesting it may benefit hyperactive and mixed subtypes but not hypoactive delirium. The study included 203 Japanese adults aged 65-90 years hospitalized for sudden illness or scheduled surgery.
Research shows that parvalbumin-expressing neurons in the cerebral cortex activate when sleepiness increases, leading to rebound sleep. The activation of CaMKII protein causes rebound sleep by activating these neurons. This study sheds light on the molecular and neural mechanisms of sleep homeostasis.
Researchers have found that social memories lost due to sleep deprivation can be restored in mice using a drug used to treat asthma, while spatial memories can be reversed with a drug used to treat erectile dysfunction. These findings suggest potential for reversing human forgetfulness.
Research by UCLA Health confirms that Tai Chi reduces inflammation and improves anti-viral defenses in breast cancer survivors, while cognitive behavioral therapy shows greater increases in anti-viral gene transcripts. The study found significant reductions in inflammatory biomarkers among Tai Chi participants.
Two studies from University of Michigan reveal that sleep helps form and update memories, including spatial awareness. Sleep deprivation impairs memory by reducing neuron reactivation and replay, leading to long-term detrimental effects on memory consolidation.
A new study from Ohio State University found that virtual reality technology can accurately record shooting performance and track individuals' progress over time. The research team used the VirTra V-100 simulator to measure 21 relevant variables, including accuracy, decision-making, and reaction time.
Researchers from Mount Sinai presented three studies on obstructive sleep apnea (OSA) at SLEEP 2024, exploring its effects on thalamic activity, overnight memory performance, and symptom improvement with CPAP treatment. The findings suggest that OSA can impair cognitive function and that hypoxic burden may predict clinical improvement.
Researchers found that popular teens sleep less than their peers, with popular girls experiencing more insomnia symptoms. This study suggests that social context and emotional investment may contribute to sleep difficulties in popular teenagers.
A new study published in Nature found that sleep weakens new brain connections forged during wakefulness only during the first half of a night's sleep. The researchers suggest that this 'reset' prepares the brain for learning and new connections the next day.
The review found women report lower sleep quality, more fluctuations, and higher likelihoods of developing restless legs syndrome and sleep-related eating disorder. Women's brains respond differently to food images after sleep deprivation, with increased emotional processing and activation.
A systematic review and meta-analysis found that sleeping less than seven hours a day increases the risk of developing high blood pressure, with females facing a greater risk. The study pooled data from 16 studies and found that short sleep duration was significantly associated with a higher risk of hypertension.
Women experience disruptions in sleep patterns and heightened feelings of anger before their period, with reduced sleep efficiency and increased emotional distress. The study highlights the importance of considering hormonal fluctuations when addressing sleep disorders and emotional distress in women.
A new biomarker developed by researchers at Monash University and the University of Birmingham can accurately detect when someone has not slept for 24 hours. The test has a 99.2% probability of being correct and could inform future tests to identify sleep-deprived drivers, reducing the risk of accidents and fatalities.
A new study examined three decades of malpractice claims and found that medical incident severity and payment decisions were higher during daylight saving time compared to standard time. The results suggest that the spring transition to daylight saving time has a significant impact on healthcare outcomes and costs.
A new study from Uppsala University found that adults who sleep only three to five hours a day are at higher risk of developing type 2 diabetes. Chronic sleep deprivation cannot be compensated by healthy eating alone.
The ICNIRP panel states that research on SWL exposure is inconsistent, with some studies indicating possible effects on alertness or sleep and others not supporting such effects. The panel also notes that potential long-term adverse effects of SWL exposure are unclear, particularly regarding its impact on chronic diseases and conditions.
Researchers found that certain Google searches occurred up to an hour earlier after DST switch and later after standard time return. This suggests a strong connection between the internal body clock and sleep/health-related search terms.
A comprehensive review of 50+ years of research on sleep deprivation and mood found that disrupted sleep leads to fewer positive emotions and increased anxiety symptoms. The study's findings suggest that even short periods of sleep loss can negatively impact emotional functioning.
A study synthesizing over 50 years of research found that even mild sleep deprivation causes measurable negative changes in how people react to everyday events. Sleep loss results in fewer positive emotions, increased anxiety symptoms, and blunted arousal in response to emotional stimuli.
Stress activates neurons in the preoptic hypothalamus during non-rapid eye movement sleep, causing microarousals that interrupt sleep cycles. Suppressing these neurons may be a promising target for therapies to treat stress-related sleep disorders like insomnia and PTSD.
Research by Hungarian researchers found that flat-faced dogs, like French Bulldogs, sleep more due to increased daytime sleepiness and longer REM sleep phases. Their EEG patterns showed signs of white matter loss and distorted brain function.
A new study published in Frontiers found that working night shifts is associated with a higher occurrence of disordered sleep, particularly among young adults with lower education. The study revealed that 51% of people working nights scored positive for at least one sleep disorder.
Repeated, chronic jet lag negatively impacts student-athlete health and performance in academics and sports. Strategies to reduce consequences include preadaptation before travel and sufficient time for circadian adjustment after arrival.
A study from the University of Ottawa found that sleep deprivation significantly impacts decision-making processes, reducing neural responses to winning and losing outcomes. This can lead to diminished positive emotions in response to winning and negative emotions when faced with losses.
A team of researchers from Kyoto University found that the pituitary vasopressin system is crucial for building a robust circadian clock in the suprachiasmatic nucleus. This discovery has led to the development of potential treatments for jet lag, which currently target only the suprachiasmatic nucleus.
A study by the University of Portsmouth reveals that moderate-intensity exercise improves cognitive performance in people who are sleep-deprived and have low oxygen levels. The research found that even when participants were exposed to hypoxia, exercise continued to enhance their ability to perform mental tasks.
A new study found that curtailing sleep by 90 minutes for six weeks increased insulin resistance in women, particularly postmenopausal women. Insulin resistance was also linked to an increased risk of developing type 2 diabetes.
Scientists at University of Leicester investigate sleep's impact on ageing epigenetics using jewel wasp model, finding potential reversible effects on DNA methylation. This study aims to understand the molecular basis of sleep-regulated ageing and its potential for therapeutic intervention.
Acute sleep loss in mice increases dopamine release and enhances synaptic plasticity, leading to a rapid reversal of depression for several days. The prefrontal cortex plays a crucial role in this process, with neurons forming tiny protrusions that change in response to brain activity.
A new study suggests that combining therapeutic touch and music can significantly improve sleep quality, reduce menopause symptoms, and enhance overall quality of life in women undergoing menopause. The study involved over 100 menopausal women who experienced significant improvements after four weeks of treatment.
A study published in Nature Communications found that sleep disruption leads to heightened pain sensitivity by affecting a brain region and neurotransmitter. Administering a specific chemical messenger, N-arachidonoyl dopamine, reduced this pain sensitivity, suggesting its potential as a treatment.
A recent study discovered two subgroups of people with idiopathic generalized epilepsy, one experiencing highest incidence during sleep and the other during daytime. The researchers found that either dynamics of cortisol or sleep stage transition explained most of the observed distributions of epileptiform discharges.
A new study found that even a mild chronic sleep deficit can lead to inflamed and dysfunctional vascular cells, increasing the risk of cardiovascular disease. Shortened sleep duration for six weeks caused oxidative stress in these cells.
A new study analyzing English primary care records found that hypertension, obesity, diabetes, and low HDL cholesterol confer a higher risk of dementia in South Asian and Black people compared to White individuals. The results suggest tailored dementia prevention efforts should be targeted towards minority ethnic groups.
Researchers at Imperial College London found that specific brain cells in the prefrontal cortex trigger mice to prepare for bed when tired, a behavior likely shared with humans. This hard-wired survival feature suggests that humans should prioritize sleep hygiene to maintain good health.
Researchers found that a two-nap schedule of 90-minute and 30-minute naps can help counteract drowsiness and fatigue during long night shifts. This strategy may also be beneficial for new parents experiencing sleep deprivation.
Researchers identified a protective protein whose level declines with sleep deprivation, leading to neuronal death. PTN levels could serve as an indicator of cognitive impairment resulting from insomnia.
A new study analyzing over 220,000 people's sleep data shows that those in Asia have shorter sleep duration and lower quality, with more variable sleep timing on weekdays. In contrast, people in other regions tend to have longer weekend sleep extension, suggesting a cultural impact on sleep habits.
A new study from the University of Georgia found that improved sleep can significantly reduce impulsive behaviors in children exposed to stressful environments. The study, which analyzed data from over 11,000 children aged 9-10, discovered that lack of sleep and long sleep latency were linked to increased impulsivity.
A new special issue of the Journal of Huntington’s Disease highlights the critical impact of sleep dysfunction on HD patients. Disrupted sleep can alter metabolism, increase vulnerability to infection, and exacerbate disease outcomes.