Articles tagged with Sleep Deprivation
A recent study found short weekend sleep increased mortality risk in under 65-year-olds. Long or short weekday sleep also showed increased mortality when compared to consistently sleeping 6-7 hours daily.
Researchers found that chronic sleep deprivation, even without extended wakefulness, was associated with increased reaction time performance and daytime arousal. The study highlights the complex relationship between sleep and alertness in humans.
A WSU research study seeks to understand how sleep deprivation affects cognitive flexibility and develops new treatments for improved decision-making. The study uses a combination of human and animal experiments to identify brain processes involved in cognitive flexibility deficits.
The Sleep Research Society has selected three leading sleep scientists to receive its 2018 awards. David F. Dinges, Chiara Cirelli, and Sharon A. Keenan will be honored for their groundbreaking contributions to the field of sleep and circadian science.
Researchers found that regular mid-day naps improve neurocognitive function and daytime attention in adolescents. The ideal nap duration is between 30-60 minutes, and routine napping is associated with better nighttime sleep quality.
A new study found that losing one night of sleep led to an increase in beta-amyloid, a protein linked to Alzheimer's disease. The study also showed that participants with larger increases in beta-amyloid reported worse mood after sleep deprivation.
A four-year study published in Science found that sleep leads to a 20% decrease in synapse size, allowing for more growth and learning the next day. The discovery supports the synaptic homeostasis hypothesis, suggesting that sleep is essential for brain plasticity.
A recent study from Uppsala University found that sleep loss affects women's working memory differently than men's. Women who pulled an all-nighter performed worse on a working memory task, remembering fewer digits after sleep deprivation.
A study published in Acta Paediatrica found that Canadian students aged 11-20 who used social media for at least one hour per day were more likely to get too little sleep. The study suggests that prolonged screen time on electronic devices can disrupt sleep patterns and lead to sleep deprivation.
Researchers at Washington State University discovered a genetic variation that predicts how well people perform certain mental tasks when sleep-deprived. Individuals with a specific variation of the DRD2 gene are resilient to the effects of sleep deprivation on cognitive flexibility.
A new study by American College of Neuropsychopharmacology reveals that chronic sleep deprivation in teenagers can raise the risk for depression and addiction. The research found that sleep restriction affects the brain's reward system, leading to less activation in the putamen region.
New studies shed light on sleep's extensive effects on the brain, including impaired memory and judgment, increased risk of stroke, obesity, and cardiovascular disease. Sleep consolidation also plays a crucial role in memory formation.
A new study published in Nature Medicine finds that sleep-deprived individuals experience slowed-down neuron activity, affecting their ability to process visual information and respond to tasks. This slowdown can lead to lapses in attention and behavior, posing a risk for drowsy driving and other safety hazards.
A UCLA-led study reveals that sleep deprivation affects the ability of brain cells to communicate with each other, leading to mental lapses in memory and visual perception. The researchers discovered that lack of sleep also slows down brain cell activity, causing sluggish cellular activity and performance issues.
Research found a 3% decrease in assaults on Mondays after the start of Daylight Saving Time, challenging previous assumptions about sleep deprivation's impact on crime. The study suggests that increased sleep may be associated with more offending behavior, but internal biases and short-term effects are likely causes.
Researchers have developed more effective techniques for inducing lucid dreams, including a 17% success rate among participants who combined all three methods. The MILD technique showed the highest success rate, with almost 46% of attempts resulting in lucid dreaming.
A new study from Scripps Research Institute found that sleep loss cannot be explained by caffeine intake alone, but rather by changes in feeding behavior. The research suggests that studying sleep and eating together could lead to the development of therapies for metabolic disorders like obesity and diabetes.
A comprehensive review by Dr. Rubin Naiman reveals that dream loss is a significant contributor to various health issues, including depression and illness. The study recommends restoring healthy dreaming through lifestyle changes and behavioral interventions.
Researchers have found that jellyfish, like humans, enter a state of reduced activity at night and exhibit an increased sleep drive when deprived of sleep. This discovery suggests that sleep is an ancient behavior, largely untouched by evolution.
A meta-analysis found that sleep deprivation, administered in controlled settings, rapidly reduces symptoms of depression in approximately half of patients. The study suggests that partial sleep deprivation is equally effective as total sleep deprivation and medication does not significantly influence the results.
A study found that octacosanol, a compound rich in sugarcane and other natural products, can reduce stress and restore normal sleep in mildly stressed mice. The researchers also suggest that octacosanol may be useful for treating insomnia caused by stress due to its potential to increase sleep.
A new study reveals that sleep deprivation significantly enhances postoperative pain behaviors and extends recovery time after surgery. Caffeine blocks this effect by blocking adenosine in the brain, suggesting a potential novel intervention for improving postoperative pain management.
Experts argue that working 24-hour shifts may not negatively impact patient care, but can lead to burnout. The medical profession must address the issue of sleep deprivation and its effects on doctors' wellbeing and patient safety.
Researchers in Mozambique found that people who live in electrified urban areas retire earlier but still get sufficient sleep, contradicting previous assumptions. The study suggests that the relationship between electricity and sleep loss is more complex than previously thought.
Italian researchers found that cocoa flavanols can enhance working memory and visual information processing, and even counteract cognitive impairment in women after sleep deprivation. Long-term ingestion of cocoa flavanols improved cognitive performance in elderly individuals with starting memory decline or mild cognitive impairments.
A University of Pennsylvania study found that social isolation in fruit flies leads to sleep loss, which causes cellular stress and activates the unfolded protein response (UPR). Chronic activation of UPR is linked to aging and age-related diseases such as Alzheimer's and diabetes.
A new study links late-night tweeting by NBA players to poorer game performance, including lower scores and reduced shooting accuracy. The research analyzed Twitter data from over 30,000 tweets and found a significant correlation between late-night tweeting and decreased basketball skills.
A recent study found that delayed eating patterns, compared to daytime eating, can lead to increased weight, insulin, cholesterol, and triglyceride levels, negatively affecting fat metabolism. Eating earlier in the day may help prevent overeating in the evening and at night.
Researchers found that chronic sleep loss significantly exacerbates pain sensitivity in mice, but using caffeine or wakefulness-promoting agents like modafinil can block this effect. These findings suggest a new approach to chronic pain management by addressing both sleep and daytime alertness.
A new study from the University of Georgia found that 10 minutes of stair walking boosted participants' energy levels, even surpassing the effects of 50mg of caffeine. The research aimed to simulate office settings where workers spend hours sitting and don't have time for longer exercise sessions.
Research from the University of Surrey and Harvard Medical School found that delaying school start times in the UK won't reduce sleep deprivation in teenagers. Instead, they recommend exposing teens to bright light during the day and turning off lights at night as an effective solution.
A study published in Neurobiology of Sleep and Circadian Rhythms found that sleep-deprived individuals struggle to recognize subtle facial expressions of happiness and sadness. However, their ability to identify more primitive emotions like fear and anger remains intact.
A study found that living with children affects women's sleep patterns, but not men's. Women with kids report feeling tired for more days than those without children.
Researchers studying Mexican cavefish found that differences in sensory systems contribute to sleep variability. The study suggests that evolution drives sensory changes and selects for changes in sensory processing to reduce sleep.
A study led by Harvard Medical School investigators found that a brain-based immune protein called inflammasome NLRP3 plays a crucial role in regulating sleep. The researchers discovered that the inflammasome recruits a sleep-inducing molecule to trigger somnolence following sleep deprivation and exposure to bacterial toxins.
Researchers discovered that the twin with shorter sleep duration had a depressed immune system compared to their sibling. The findings suggest that chronic short sleep shuts down programs involved in immune response, leading to lower antibody responses and increased susceptibility to illnesses.
A new study from the AAA Foundation for Traffic Safety reveals that drivers missing 1-2 hours of sleep nearly double their risk for a crash. The Centers for Disease Control and Prevention reports that 35% of U.S. drivers sleep less than seven hours daily.
A study published by the Radiological Society of North America found that short-term sleep deprivation in 24-hour shift workers can lead to significant increases in cardiac contractility, blood pressure, and heart rate. The researchers also observed increased levels of stress hormones and thyroid hormones.
A new report by RAND Corporation finds that the US loses 1.2 million working days annually due to sleep deprivation, leading to significant economic losses. Increasing nightly sleep from under six hours to seven hours could add $226.4 billion to the economy.
A new study found that sleep deprivation in children increases slow-wave activity in posterior brain regions, suggesting these areas may be more susceptible to lack of sleep. The research also discovered a correlation between sleep loss and myelin content, indicating the potential for temporary effects on early brain development.
A study of over 18,000 adults found that those who slept five or fewer hours per night consumed 21% more caffeinated sugar-sweetened beverages than those who slept seven to eight hours a night. The researchers suggest improving sleep may help reduce sugar intake and break the cycle of unhealthy habits.
A systematic review and meta-analysis found that sleep-deprived individuals consumed an average of 385 kcal per day extra, with higher fat and lower protein intakes. The study suggests that long-term sleep deprivation may contribute to weight gain if it results in a large net increased energy intake.
A new study found that curtailing sleep for four hours a night altered the abundance of bacterial gut species in healthy men, previously associated with metabolic diseases. Insulin sensitivity also decreased, but this was unrelated to changes in gut microbiota.
A CU-Boulder study found that preschoolers who lost three hours of sleep consumed 20% more calories and 25% more sugar on the day of restricted sleep. On the recovery day, they returned to normal levels but still ate 14% more calories and 23% more fat than usual.
Researchers found that sleep deprivation in children increases deep sleep in the parietal and occipital lobes, which are involved in spatial perception and processing multi-sensorial input. The level of myelin content in these brain regions is associated with the deep-sleep effect.
Researchers discover that five hours of sleep deprivation leads to a loss of connectivity between neurons in the hippocampus, a region associated with learning and memory. However, blocking the protein cofilin and allowing recovery sleep restores neuronal connections and improves memory processes.
Researchers found brain activity patterns varied with brain region and circadian rhythms, affecting performance and psychiatric symptoms. The study sheds light on why shift workers struggle to concentrate and why sleep loss impacts attention.
A Queensland University of Technology road safety study found that bright light combined with caffeine improved driving performance and alertness in chronically sleep-deprived young drivers. The study also revealed that driver sleepiness accounted for 20% of all crashes in developed countries.
Researchers aim to reduce decision-making errors with cognitive flexibility training, building on previous studies that showed sleep deprivation affects sustained attention and causes 'feedback blunting' phenomenon. The three-year project will test its effectiveness in a laboratory-based experiment.
A new meta-analysis in Biological Psychiatry reports associations between sleep disturbances and long sleep duration with increased levels of inflammatory markers. Treatments targeting sleep behavior may be a strategy for reversing inflammation and reducing risk of inflammatory illnesses.
Researchers identified a connection between amino acid acetylcarnitine and poor performance under sleep restriction. Higher levels of this molecule were associated with decreased attention, slower information processing, and increased sleepiness during chronic sleep deprivation.
The American Academy of Sleep Medicine has announced the 2016 award recipients, recognizing individuals who have made lasting contributions to the field of sleep medicine. The awards were presented on June 13 during the SLEEP 2016 annual meeting in Denver.
The study found that artificially applying synchronous slow wave brain activity during non-REM sleep can enhance memory consolidation, allowing mice to retain memories for up to 4 days. This discovery suggests a potential route to therapy using transcortical magnetic or direct-current stimulation to reactivate sleep-deprived neurons.
Researchers have identified brain cells in fruit flies that regulate sleep drive, which becomes more active when flies are kept awake. These findings may offer insights into human sleep disorders and potential new strategies to promote long-lasting sleep for those with chronic insomnia.
A study from the University of Pennsylvania found that sleep deprivation impairs protein production in the hippocampus, a brain region crucial for memory. By manipulating a gene involved in regulating protein synthesis, researchers were able to prevent these deficits and restore memory formation in mice.
Researchers found that sleep loss reduces gene expression involved in cholesterol transport, leading to lower levels of good cholesterol. The study also discovered that sleep-deprived individuals have fewer high-density HDL lipoproteins, which increases the risk of cardiovascular disease.
A study at Florida Atlantic University identifies a gene, translin, that regulates sleep and metabolism, linking it to sleep deprivation and metabolic disorders like diabetes and obesity. The researchers used fruit flies to test the gene's role in sleep regulation, finding that it is essential for modulating sleep in response to metabo...
The SleepHealth app tracks users' sleep quality, duration, and related health issues, providing insights for research and a personalized tool to improve well-being. The app aims to accelerate treatments and interventions for sleep disorders, impacting public health.
A study found that adolescents who slept only five hours a night for seven nights experienced significant cognitive degradation, including decreased sustained attention and working memory. Even after recovery sleep, residual effects persisted.
A study published in SLEEP found that sleep deprivation amplifies the joy of eating, particularly sweet and salty high-fat snack foods. Sleep-restricted participants ate nearly twice as much fat as those with normal sleep, despite minimal energy needs.