Articles tagged with Sleep
Genetic material from Neanderthal ancestors may have influenced the preference for waking up early in some people. Studies found that introgressed genetic variants from Neanderthals are associated with increased morningness and a shorter circadian period, which is beneficial at higher latitudes.
A two-week yoga nidra intervention increased sleep efficiency and percentage of delta-waves in deep sleep, leading to improved cognitive abilities such as decision-making and abstraction. Cognitive tests revealed faster responses with no loss in accuracy.
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.
Researchers found that interactive screen use, such as texting and playing video games, before bed delayed sleep onset by up to 30 minutes, while passive activities had no significant impact. The study suggests that limiting interactive screen time in the hour before bed can help protect teens' sleep and overall health.
A new study has found that idiopathic hypersomnia, a rare sleep disorder, is more common than previously thought, affecting approximately 1.5% of the population. People with this condition experience excessive daytime sleepiness, despite getting sufficient sleep at night.
Researchers discovered a link between ppGpp and sleep regulation in fruit flies, showing that ppGpp is involved in the connection between sleep and starvation. Mutations in Mesh1 gene affected ppGpp degradation, impacting sleep patterns.
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.
A study of 2,574 participants with obstructive sleep apnea found that those sleeping less than seven hours had higher risks of all-cause mortality independent of apnea-hypopnea index. Further research is needed to investigate potential health benefits of extending sleep length among these individuals.
A study is being conducted to assess the workload in collegiate dancers, examining objective physical activity demands and subjective self-reported perceptions of physical and mental workload. The findings could highlight the importance of healthcare access to reduce injury risk and improve performance in this underserved population.
The November issue of CHEST journal features cutting-edge research on asthma, COPD, diffuse lung disease, and thoracic oncology. A new guideline provides updated recommendations for patients with stable COPD, while home spirometry is shown to be less consistent than clinic spirometry in monitoring lung function in patients with asthma.
A genetic study found that grizzly bears' energy production follows a daily pattern even during hibernation, with a blunted amplitude and shifted peak. This suggests that the circadian rhythm helps bears conserve energy while still maintaining some metabolic function.
Researchers discovered that individuals with obesity expel more energy at night compared to those with a healthy weight. During the day, people with obesity have higher insulin levels, indicating their body is working harder to process glucose.
A new study reveals that melatonin use is increasing among US children and adolescents, with nearly 1 in 5 school-aged children taking the hormone for sleep. The study found that parents are giving melatonin to preschoolers without proper regulation, raising concerns about safety and efficacy.
A recent study found that chronic insufficient sleep can increase insulin resistance in healthy women, with more pronounced effects on postmenopausal women. Insulin resistance can lead to a higher risk of developing type 2 diabetes.
A recent study found that most cannabis users (80%) have stopped using over-the-counter or prescription sleep aids and instead prefer inhaling high-THC cannabis to help with falling asleep. The study also showed that cannabis users experienced fewer headaches, nausea, and dry mouth compared to traditional sleep aids.
A study published in JAHA found that sleep-related hypoxia is associated with a higher risk of developing atrial fibrillation over time. Regular screening and treatment of sleep apnea may help reduce the likelihood of AFib, especially in those already at high risk.
The UTSA MATRIX AI Consortium has received a $2 million grant to create new AI models that rapidly learn, adapt, and operate in uncertain conditions. The team aims to bridge the gap between human brain processing efficiency and current AI limitations, enabling more efficient and adaptive AI systems.
A study of 2,458 children found that genetic predisposition to insomnia affects sleep patterns, including frequent awakenings and difficulty initiating sleep. The research suggests a lifelong 'poor sleeper' trait, emphasizing the importance of early recognition and prevention.
A micro-longitudinal study found financial traders use caffeine and alcohol to regulate their sleep patterns. This self-medication approach balances the stimulating and sedating effects of these substances.
Research highlights the association between traumatic events and insufficient/excessive sleep duration in US children. The analysis of over 100,000 children found that traumatic events magnify the adverse effects of poor sleep on cardiovascular health.
New research from Aalto University reveals that sleepiness during virtual meetings is caused by mental underload and boredom. Highly engaged individuals stay active even in virtual settings, while those with low work engagement find them tiring.
A new genetic study found that consistently sleeping less than five hours a night may raise the risk of developing depressive symptoms. The study, published in Translational Psychiatry, analyzed data from over 7,000 people and found that short sleep was associated with the onset of depressive symptoms.
A study of 1,732 adults found that 69% used the snooze function or set multiple alarms. Snoozing resulted in lost sleep but prevented awakening from slow-wave sleep. In a second study, 30 minutes of snoozing improved cognitive performance.
Researchers found that longer nights of better sleep correlate with improved mood, motivation, and reduced sleepiness. Irregular sleep patterns had a negative effect on mental well-being, while daytime naps may alleviate inadequate nocturnal sleep's effects.
The UK Biobank study found that racial minority status increased dementia risk by 24%, with socio-economic status attenuating this effect. Lifestyle factors such as diet, smoking, physical activity, and sleep were identified as crucial in reducing racial and socio-economic disparities in dementia.
A study published by Vienna University of Technology analyzed the effects of extreme physical and mental stress on a rowing athlete's body. The research found that the variability in heart rate, sleep quality, and regeneration during sleep phases were closely related to the athlete's psychological condition.
A new study from Brigham researchers reveals that women who struggle with getting enough sleep are at greater risk of developing hypertension. The research highlights the association between sleep difficulties and higher BMI, lower physical activity, and poorer diets.
A new study from the University of Liège provides insights into how light stimulates our brains and its impact on cognition. The research found that the thalamus plays a crucial role in relaying non-visual light information to the parietal cortex, which controls attention levels.
The September issue of the CHEST journal features research on long COVID, including a review on exercise pathophysiology in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Postacute Sequelae of SARS-CoV-2. Original studies also explore asthma treatment with albuterol-budesonide inhalers and sleep therapy using oronasal masks.
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.
A study across three countries found that individuals who prioritize achievement over enjoyment experience lower happiness the next day. In contrast, those who value freedom report a 13% increase in well-being, including better sleep quality and life satisfaction. Relaxation and hobbies also lead to a significant boost in well-being.
Research presented at the European Respiratory Society International Congress suggests that CPAP machines can prevent deaths from heart disease and reduce cardiovascular problems in people with obstructive sleep apnea (OSA). A pilot study also found that CPAP may be more effective than a weight-loss drug in tackling clogged arteries.
Researchers at UCSF Health found a way to help teens adjust to their natural sleep-cycle rhythms while fulfilling school responsibilities. The Transdiagnostic Sleep and Circadian Intervention showed significant improvements in depression symptoms, especially among night-owl adolescents.
A sweeping analysis of over 130 traits and millions of couples reveals that birds of a feather flock together, with similarities common among partners. The study confirms the notion that genetics plays a role in shaping human relationships, debunking the idea that opposites attract.
A new study suggests that synchronizing internal clocks can help alleviate jet lag and age-related problems. Researchers found that eating a larger meal in the morning can help overcome jet lag, while constant nighttime eating can lead to misalignment between internal clocks.
A new study published in the Journal of the American Heart Association found that stressful life events and poor sleep are major contributing factors to irregular heart rhythms after menopause. The study analyzed data from over 83,000 women aged 50-79 and found a significant association between stress, insomnia, and atrial fibrillation.
A study found that CPAP treatment reduces night-time heartburn, productive morning cough, and chronic bronchitis in patients with obstructive sleep apnea (OSA). Regular CPAP use decreases reflux by keeping the upper airway open during sleep.
A new study found that boys' sleep patterns remain stable until around age 12, suggesting that social and behavioral factors may play a role in sleep problems. After this age, changes in sleep patterns may begin to occur, making it essential for parents to seek help when needed.
Research finds that a nighttime ambient temperature range of 68-77°F enhances restful sleep for older adults. The study also highlights substantial individual differences in optimal temperatures and the potential impact of climate change on sleep quality.
Researchers developed a digital biomarker that detects early signs of Alzheimer's disease using EEG headbands, identifying abnormal levels of proteins in sleep patterns. The study found measurable problems with memory reactivation in 205 aging adults, paving the way for affordable devices to monitor brain health.
A new study by UC San Diego researchers shows that time-restricted feeding can improve memory and reduce amyloid protein accumulation in mice with Alzheimer's disease. This approach may provide a simple and accessible way to correct circadian disruptions, which are the leading cause of nursing home placement.
A new study by University of South Australia researchers found that boarders get 40 minutes more sleep than day students due to fixed bedtimes and stricter technology policies. Despite improved sleep, teen boarders experience similar levels of stress, anxiety, and depression as their day peers.
A recent study found that activating astrocytes in the basal forebrain can keep mice awake for hours without affecting their sleep need or intensity. The researchers hope to develop interventions targeting these cells to improve productivity and health of shift workers and others who work long hours.
A Cochrane review of 17 randomised controlled trials found that blue-light filtering spectacles may not reduce visual fatigue associated with computer use and do not improve sleep quality. The evidence is also unclear on their effects on retinal health.
A new study finds that people who adhere to a Mediterranean lifestyle have a lower risk of all-cause and cancer mortality. The study, led by La Universidad Autónoma de Madrid and Harvard T.H. Chan School of Public Health, analyzed data from 110,799 participants and found an inverse association between adherence to the Mediterranean lif...
The Estee Lauder Companies' New Incubation Ventures has launched a breakthrough prize for innovative active ingredient companies, R&D labs and scientists pushing the boundaries of Indian consumers. The prize program aims to discover and support the next generation of Indian beauty brands.
Research conducted at the University of Alabama found that more than 65% of college students experience poor sleep quality, largely due to lack of effective time management. A study published in the American Journal of Health Education revealed that prioritizing organization and setting goals significantly impact overall sleep health.
Researchers will evaluate a flexible, personalized sleep health intervention for 20 fire agencies across Arizona, aiming to train fire service managers and promote sleep benefits within the fire service. The study seeks to identify key factors for successful implementation of workplace sleep coaching.
A two-week study found that participants' own perception of their sleep quality was consistently linked to their mood and life satisfaction. Positive evaluations of sleep were associated with more positive emotions and higher life satisfaction the next day.
A new study found that 81% of women report persistent GI symptoms years after diagnosis, with abdominal bloating and gas being the most common. The analysis also showed that severe GI symptoms are linked to poor quality of life, social activities, and body image satisfaction.
Researchers found that Alzheimer's patients exhibit heightened sensitivity to light changes, which can contribute to 'sundowning' and disease progression. Light therapy could help manage these symptoms and potentially slow disease progression.
The July issue of CHEST journal features 49 articles on clinically relevant topics, including disability rights and life-sustaining treatment. The journal offers complementary web resources, such as visual abstracts, to expand the reach of its research.
A large US veterans' study found that men and women who adopt eight healthy habits, such as regular exercise, good sleep hygiene, and positive social relationships, can expect to live up to 21 additional years. The study's findings support the role of lifestyle factors in preventing chronic diseases and promoting healthy aging.
Researchers found that sleep patterns vary significantly across cultures and geographical locations. The study used commercially available smartwatches to collect data from over 52 million individuals in 11 countries, revealing discrepancies between self-reported data and digital logs.
This study found that better sleep architecture and the absence of obstructive sleep apnea were associated with improved global cognition over a five-year follow-up. The findings suggest that interventions to improve sleep may be crucial for maintaining cognitive function in adults.
The American College of Chest Physicians has launched CHEST Pulmonary, a new online publication dedicated to pulmonary and sleep medicine. The journal features original research, case series, and reviews on various topics, including implementation science and artificial intelligence applications.
Researchers at UC Berkeley discovered that deep-sleep brain waves can regulate the body's sensitivity to insulin, improving blood sugar control. The study found that synchronized brain waves during deep sleep predict next-day glucose control, even after controlling for other factors.
A recent study published in The Lancet Healthy Longevity found that people who were more physically active had better cognitive function, but this benefit was reduced for those with short sleeps. The research suggests that getting sufficient sleep is essential to reap the full cognitive benefits of physical activity.
A new study published in Sleep Health found that habitual daytime napping is associated with a larger total brain volume, a marker of good brain health linked to lower risk of dementia and other diseases. The research team used Mendelian randomisation to establish a causal link between napping and brain health.
The study found that fathers who supported their partners' breastfeeding goals had higher rates of successful breastfeeding initiation and continuation. Fathers were also more likely to implement safe sleep practices when they received guidance on infant sleep safety. However, racial disparities in safe sleep practices persist, with Bl...