Articles tagged with Sleep
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A recent study suggests that pressure to have a thin body may lead to sleep deprivation among white adolescent girls. The pressure from girlfriends and media was found to be significantly predictive of sleep duration for these girls, with the strongest predictor being pressure from girlfriends.
A study of college students found that sleep helps retain and integrate new information to solve complex problems. After 12 hours of sleep, performance improved on novel integration problems without affecting basic trained problems.
A study by the American Academy of Sleep Medicine found that people who get 6-9 hours of sleep per night have higher self-reported scores for quality of life and lower scores for depression severity. Optimal sleep duration is associated with better mental health outcomes.
A study found that perceived racism is associated with an elevated risk of self-reported sleep disturbance, increased by 61% after adjusting for socioeconomic factors. This link may contribute to negative impacts on mental and physical health, highlighting the importance of addressing social environmental stressors.
A study found that treating insomnia with cognitive-behavioral therapy significantly reduced suicidal thoughts and feelings in individuals with sleep disorders. Group therapy sessions, conducted weekly and bi-weekly, resulted in a post-treatment reduction of suicidal ideation.
A study suggests that wearing a cooling cap to cool the brain during sleep can eliminate insomnia symptoms. Participants with primary insomnia experienced similar sleep latency and efficiency as healthy controls when using a frontal cerebral thermal transfer cap.
A study found that daytime sleepiness is associated with decreased activation in the prefrontal cortex during visual presentations of enticing high-calorie food images. This impairment in brain function may lead to altered eating behavior and potentially contribute to obesity.
A study found that screening high-risk employees for OSA could result in a $136 million gain over 10 years, with significant benefits to productivity and employee health. Untreated OSA can lead to job performance deficiencies such as excessive sleepiness, cognitive dysfunction, and reduced vitality.
Research abstract suggests that morning types have a higher batting average in early games but evening types dominate in late games. The study analyzed data from 16 MLB players and found a correlation between sleep preference and performance.
A new study found that combining a mandibular advancement splint with positive airway pressure therapy significantly improves treatment outcomes for patients with severe obstructive sleep apnea. The study showed a mean AHI of 2.6 events per hour with combined therapy, compared to 4.4 events per hour with CPAP alone.
Children with enlarged tonsils and adenoids who wore an oral appliance for six months experienced favorable craniofacial growth, increased pharyngeal dimensions, and improved breathing and snoring during sleep. The treatment also normalized respiratory function and sleep quality, reducing the incidence of obstructive sleep apnea.
Patients with OSA experience high rates of OAT therapy compliance, as measured by objective means and subjective estimates. The study found excellent agreement between subjective and objective compliance measures for patients undergoing OAT treatment.
A study of 1,811 pairs of twins found that shorter sleep durations were associated with increased expression of genes related to obesity, while longer sleep durations were linked to decreased body mass index. This suggests that genetic influences on body weight may be suppressed by adequate sleep duration.
A study finds that sleepiness in college students leads to counterfactual thinking, including thoughts of how others could have done better. Sleepy individuals are also more likely to engage in displaced aggression and plan revenge.
A study found that poor sleep hygiene in high school is associated with lower grades in college, but shifts towards a morning chronotype can improve academic performance. Students who are 'evening types' initially struggle, but adapt and show significant improvement by the senior year.
Research suggests that analyzing breathing sounds while awake can accurately predict obstructive sleep apnea (OSA) severity. Breathing patterns and pharyngeal pressure play a significant role in OSA diagnosis, making sound analysis a viable diagnostic tool.
A study of 508 children found a strong association between childhood excessive daytime sleepiness (EDS) and obesity, asthma, anxiety, and depression. Waist circumference was also significantly associated with EDS, suggesting metabolic factors play a role.
A study conducted in New York found that 92% of urban minority children, aged 5-6, exhibited behavioral sleep problems. The children had significantly shorter sleep durations, averaging 7 hours and 45 minutes per night, compared to the recommended 10-11 hours.
A study found that CPAP treatment significantly reduces daytime sleepiness and increases wakefulness in patients with very mild symptoms of obstructive sleep apnea. The treatment also improves quality of life scores, even among those who initially did not perceive a benefit from therapy.
Researchers found that marital instability at 9 months old predicts child sleep problems at 18 months, including difficulty falling asleep and staying asleep. This relationship persists even after controlling for factors such as birth order, parents' anxiety, and infant temperament.
A recent study of over 350 families found that marital instability when children are 9 months old can lead to sleep problems by 18 months. The research suggests that parents should be aware of the potential impact of marital stress on their child's well-being during the first year or two of life.
A study in Valencia reveals that nearly half of Spanish children aged 6-15 suffer from poor quality sleep and related problems. These children often lack regular bedtime routines, exacerbating their sleep issues and impacting their physical health and academic performance.
Approximately 14% of all strokes occur during sleep, preventing patients from receiving timely clot-busting treatment. Researchers estimate that around 58,000 people in the US go to the emergency department with a wake-up stroke each year.
Researchers at Brown University have found that the Notch signaling pathway regulates sleep in nematode worms, and similar genes are expressed in human brains. The study suggests that targeting this pathway could lead to more precise and safer sleep aids.
A Northwestern University study found that people who go to bed late and sleep in eat more fast food, fewer fruits and vegetables, and weigh more than those with earlier sleep times. The extra calories consumed can lead to significant weight gain if not balanced by physical activity.
Researchers found that people with diabetes who sleep poorly have higher insulin resistance and worse control of their blood glucose levels. Poor sleep quality was associated with a 23% increase in morning blood glucose levels and a 48% increase in blood insulin levels.
A new study confirms that infants wake up taller after sleep, with longer sleep bouts predicting increased weight and body-fat composition. The research also found sex differences in sleep patterns related to growth, with boys exhibiting more sleep bouts and shorter ones than girls.
Researchers found that the parasite balances infection and spread through careful form transformation. The study provides fresh insight into the parasite's survival strategy, which could lead to new treatment approaches.
A meta-analysis of 22 studies found that infants with regulatory problems are more likely to develop behavioral problems in childhood. The most common outcomes were externalizing problems and attention deficit/hyperactivity disorder (ADHD).
A study found that teen drivers in Virginia Beach, Va., had a 41% higher crash rate compared to Chesapeake, Va., where classes started later. This is attributed to sleep loss and daytime sleepiness caused by early school start times.
Researchers studying Mexican Blind Cave Fish found that cave-adapted fish sleep less and are more active than their surface-dwelling relatives. The discovery suggests that the transition to a dark environment may be associated with changes in sleep behavior, potentially due to the need for continuous vigilance to find food.
A longitudinal study suggests that older adults with moderate to severe sleep apnea who experience excessive daytime sleepiness are more than twice as likely to die. The study found no significant increase in mortality risk among those with only excessive daytime sleepiness or sleep apnea alone.
A new internet-based intervention reduced infant and toddler sleep disturbances by 50%, while also improving maternal sleep and mood. The customized sleep profile provided individualized recommendations, leading to significant improvements in sleep quality and duration.
Researchers examine daily variation in teenagers' sleep and its effects on well-being, academic performance, and stress levels. The symposium aims to better understand how sleep patterns influence adolescent development and overall health.
A Kaiser Permanente study found that people who slept 6-8 hours a night and reported lower stress levels lost more weight. The study involved nearly 500 participants who were trying to lose at least 10 pounds, and those with the lowest stress levels and adequate sleep were most likely to succeed.
A study published in Sleep Medicine found that 40% of individuals over 65 experience interrupted sleep, leading to primary insomnia. The prevalence of insomnia affects one person in every five, with difficulties falling asleep increasing with age.
Cardiff University astronomers propose that young stars' long naps could lead to the birth of smaller stars and planets. The researchers developed advanced computer models to simulate young star behavior, finding that disc fragmentation is possible in nature.
A National Sleep Foundation poll found that 43% of Americans report rarely getting a good night's sleep on weeknights due to pervasive technology use before bedtime. The study highlights the impact of screens and interactive technologies on sleep habits, particularly in younger generations.
A UK study found that people with higher levels of education and married individuals report better sleep quality. Additionally, job satisfaction plays a significant role in determining the quality of sleep, with those who are least satisfied reporting shorter sleep periods. The study also highlights the impact of work-related pressures...
The American Thoracic Society's new report highlights the need for research on incorporating ambulatory management of obstructive sleep apnea into healthcare systems. Portable monitor testing is limited by lack of standardization and high costs, with studies needed to demonstrate its efficacy and cost-effectiveness.
Dr. Christopher J. Morris, a researcher at Brigham and Women's Hospital, has been awarded a postdoctoral fellowship by the National Space Biomedical Research Institute (NSBRI). He will investigate the effects of sudden shifts in sleep/wake patterns on the cardiovascular system in astronauts.
A study found that daytime sleep can facilitate cardiovascular recovery after mental stress, with participants who slept for at least 45 minutes experiencing lower average blood pressure. The researchers also noted a restorative effect of daytime sleep on sleepiness, with those who slept reporting lower scores.
A significant decline in new cases of sleeping sickness has sparked renewed efforts to eliminate the disease as a public health problem. Recent literature highlights promising signs of progress, including leadership from the WHO and coordinated control activities in endemic countries.
Researchers at Cardiff University have developed a 'sleeping Trojan horse' delivery system that enables the efficient transport of metal ions into cells, opening up new possibilities for medical imaging. This innovative approach resolves some of the difficulties associated with traditional 'Trojan Horse' techniques.
Researchers found that the 'twenty-four' gene is critical for producing a key clock protein in fruit flies. Without this gene, flies experience disrupted sleep-wake rhythms and have trouble waking up. The findings suggest a similar mechanism may be at play in humans.
A new study found that intoxication increases feelings of sleepiness while disrupting actual sleep measures in healthy women more than in healthy men. Women objectively had fewer hours of sleep, woke more frequently, and experienced more disrupted sleep than men.
A study of 162 RA patients found poor sleep quality correlated with higher depressive symptoms, increased fatigue, and greater functional disability. Addressing sleep problems may have a critical impact on the health and lives of patients with RA.
A significant study found that inadequate sleep is associated with an almost 50% increase in the risk of colorectal adenomas compared to those sleeping at least seven hours per night. The researchers suggest that effective intervention to improve sleep duration and quality could be a new avenue for preventing colon cancer.
A brief behavioral treatment involving individualized instruction delivered by a nurse clinician improved sleep outcomes in older adults with insomnia. The treatment reduced symptoms and improved quality of life, even after six months.
Researchers analyzed the air traffic controller's schedule and found he was performing at 71% of his effectiveness due to fatigue. The study suggests using mathematical models to predict fatigue and optimize schedules, leading to reduced risk of accidents in various 24/7 operations.
A study found that preoperative polysomnography can predict adverse respiratory events after pediatric adenotonsillectomy, with patients experiencing higher apnea-hypopnea index and lower nadir oxygen saturation. The study also identified a higher body mass index in patients who experienced complications.
People with sleep apnoea or obesity-related respiratory difficulties incur twice as high medicine and hospital costs as healthy control subjects, with unemployment rates 30% higher. Violent snoring costs €705 per person, while sleep apnoea costs €3860 and obesity-related respiratory difficulties cost €11,320.
A randomized controlled trial shows that CPAP therapy significantly reduced self-reported fatigue scores and increased energy levels in patients with OSA. Participants who received therapeutic CPAP experienced significant improvements in fatigue and energy, while those on placebo showed no changes.
A review article brings together neuroscience and sleep medicine to understand the biological mechanisms underlying general anesthesia. The authors highlight differences between general anesthesia and states similar to sleep and coma, while also exploring how anesthetic agents interact with brain circuits.
A review of general anesthesia, sleep, and coma reveals that a fully anesthetized brain is closer to the state of a coma patient than a person asleep. The study aims to improve diagnosis and treatment for sleep abnormalities and emergence from coma.
A US study suggests a link between sudden infant death syndrome and alcohol consumption by caretakers, particularly on New Year's Day. The research found that SIDS deaths rose by 33% on this day, with no similar spike observed during other holidays or weekends.
A study found that loud snoring and difficulty falling asleep predict the development of metabolic syndrome, a key risk factor for cardiovascular disease. The risk was significantly higher in adults who reported frequent loud snoring or unrefreshing sleep.
A new study published in Sleep reveals that myocardial infarction can cause paradoxical sleep phase disruption and reduced cholinergic neurons, leading to insomnia. The research highlights the critical role of rapid treatment and preventive measures to mitigate post-infarction complications.
A large-scale study found that military deployment significantly influences sleep quality and quantity, with participants reporting 28% more trouble falling asleep during deployment. The study suggests promoting healthier sleep patterns may be beneficial for military service members, particularly those with mental health issues.
A new study published in Springer's journal Applied Research in Quality of Life found that 56% of software engineers suffered from insomnia, leading to lower quality of life and physical and mental health issues. Suitable awareness programs and lifestyle management should be implemented to address this issue.