Articles tagged with Sleep
Research found that short sleep (less than 6 hours) increases mortality risk by 12%, while long sleep (over 9 hours) can be a marker of serious illness. The study of over 1.3 million participants suggests that consistent sleep duration is an additional behavioral risk factor.
A study analyzing data from the Chinese Longitudinal Healthy Longevity Survey found that about 65% of 100-year-olds reported good or very good sleep quality. Sleep duration was closely linked to health status, with those having poor health more likely to experience sleep problems.
Dreams play a crucial role in memory consolidation by integrating recent experiences to improve short-term and long-term learning skills. The study found that subjects who dreamed about the task showed significant improvement, indicating that dreams are the brain's way of processing and understanding new information.
A recent study reveals that sleep disturbances have a significant impact on health-related quality of life, varying by race. For African-Americans, physical health-related quality of life is significantly worse than in Caucasians, while Hispanics experience greater mental distress due to snoring and insomnia symptoms.
Researchers developed software that uses mathematical models to predict how individuals will react to specific conditions. The Circadian Performance Simulation Software (CPSS) allows users to design a schedule and predicts optimal times for light to shift circadian rhythms, enhancing performance.
A new study has found a long-term relationship between childhood sleep problems and subsequent alcohol and drug outcomes. Childhood sleep problems are associated with an increased risk of substance use and substance-related problems during young adulthood.
A study published by the American Academy of Sleep Medicine found that maintaining regular daily routines is associated with improved sleep quality and reduced insomnia in older adults. Stability in basic activities such as bathing and eating was more strongly linked to better sleep quality than stability in instrumental activities.
A study published in Sleep found that a woman's perception of poor sleep and its impact on daytime functioning are stronger predictors of immediate postpartum mood disturbances than actual sleep quality and quantity. Poor subjective nighttime sleep during pregnancy and after delivery is associated with worse postpartum mood.
Research finds that postadoption depression in adoptive parents is linked to unmet or unrealistic expectations. Adoptive parents may experience struggles with bonding, feelings of guilt and shame, and confusion over their emotions. Empowerment and support can help alleviate these issues.
The American Thoracic Society (ATS) has endorsed pay-for-performance (P4P) programs in pulmonary, critical care and sleep medicine. The organization aims to improve patient outcomes by linking reimbursement to quality of care.
Researchers have identified the shape of a protein molecule at various stages as it breaks down sugar to produce energy, offering insights into how cells regulate their activities. This discovery could lead to the development of new treatments for diseases such as sleeping sickness.
The National Sleep Foundation's Annual Sleep in America poll explores sleep issues among Asians, African-Americans, Hispanics, and whites, revealing significant differences in sleep habits and attitudes. Blacks/African-Americans report the busiest bedtime routines, while Asians get the best sleep and infrequently use sleep aids.
Researchers found stress and poor coping mechanisms are common among people who grind their teeth at night. Stress has been implicated in the development of sleep bruxism, which can lead to tooth wear, sensitivity, and muscle pain.
A study of over 19,500 Chinese participants found that frequent napping is associated with a higher prevalence of type 2 diabetes and impaired fasting glucose. The observed associations were unaltered even after removing participants with potential health issues, suggesting that napping may increase the risk of diabetes.
Researchers at Rensselaer Polytechnic Institute developed a new computer model using mathematics to predict how environmental, medical, and physical changes affect sleep. The model provides clues to the basic dynamics of the sleep-wake cycle, offering a non-invasive way to study the brain and sleep.
A field study by Rensselaer Polytechnic Institute's Lighting Research Center found that teenagers who missed morning light exposure experienced a 30-minute delay in sleep onset. The researchers believe that schools can be designed to provide adequate daylight to stimulate the body's natural sleep/wake cycle.
A new study published in Sleep Medicine shows that cognitive behavioral therapy for insomnia significantly improved sleep for patients with chronic neck or back pain. The treatment, delivered by nurse therapists, also reduced the extent to which pain interfered with daily functioning.
Patients with severe OSA show decreased gray matter concentration in multiple brain areas, including limbic structures and prefrontal cortices. The study suggests that OSA may lead to memory impairment, cardiovascular disturbances, and executive dysfunctions.
Researchers have discovered a compound that can obstruct the enzyme protecting a deadly parasite causing sleeping sickness, Chagas disease, and leishmaniasis. The findings provide new hope for developing effective treatments against these incurable diseases.
Researchers found anti-inflammatory agents that increase wakefulness during the day and affect normal sleep/wake cycles. The study suggests a shared neurochemistry between zebrafish and mammals, paving the way for new compounds to regulate sleep and wakefulness in humans.
Researchers found that sleep consolidates learning in starlings, a bird known for its vocal production and listening skills, mirroring human findings. The study replicates the sleep-dependent enhancement pattern observed in human studies, while also exploring the role of interference on learning.
Neuroscientists combined herpes and Sleeping Beauty to deliver larger genes to brain cells, increasing the size of genetic payload by nearly tripling it. This breakthrough technology could lead to treatments for devastating brain diseases like pediatric leukodystrophies and lysosomal storage disorders.
A study published in Alcoholism: Clinical & Experimental Research found that bourbon causes worse hangovers, but impairment in task performance is similar to vodka. Researchers recruited heavy drinkers and tested their sleep patterns, self-report symptoms, and neurocognitive measures after consuming bourbon or vodka.
A study found that patients with kidney disease experienced disrupted sleep when using a widely used blood pressure monitor, leading to inaccurate results. The ambulatory blood pressure monitoring test, which measures blood pressure during sleep, can interfere with sleep patterns, causing an increase in nighttime blood pressure.
A study published in the Journal of Clinical Sleep Medicine found significant associations between parent-reported insomnia symptoms and gastrointestinal regurgitation and headaches in young school-aged children. Insomnia was 3.3 times more likely to occur with gastrointestinal regurgitation and 2.3 times more likely with headaches.
A recent study suggests that human Rhodesian sleeping sickness in Uganda is spreading due to the movement of infected livestock, particularly cattle. The research found a strong correlation between disease prevalence and distance to nearby livestock markets.
A UT Southwestern study found that physician advice is a key motivator in placing infants on their backs to sleep, reducing the risk of SIDS. The rate of SIDS has plummeted since the "Back to Sleep" campaign was launched in 1994.
The rate of babies placed on their backs to sleep has plateaued since 2001, despite the Back to Sleep campaign's dramatic decrease in SIDS rates. Racial disparities persist in infant sleeping positions, with African American infants having more than twice the SIDS rate as white infants.
A Yale study found that while the 'Back to Sleep' campaign reduced SIDS incidence, it has leveled off since guidelines were released. The study identified key factors linked to infant sleep position, including fear of choking and comfort concerns.
A study has identified three key factors linked to the choice of infant sleep position: physician recommendations, fear of choking, and comfort concerns. Back sleeping remains the most effective means to reduce SIDS risk, with a significant decrease in rates since the Back to Sleep campaign began.
A large-scale study of over 2,000 children found that hyperactive boys who got less sleep were more likely to have adverse family conditions and shorter sleep duration. In contrast, children who slept persistently for at least 11 hours had lower hyperactivity scores.
A University of Rochester study found that three quarters of cancer patients with chemotherapy suffer from insomnia or sleep disorders, affecting their ability to fully recover. Younger patients and those with lung and breast cancers were particularly affected.
A new home screening method for sleep disorders has been developed using a mobile phone or MP3 player, allowing people to record their sleep and analyze it at home. The method uses microphones to detect abnormal sleep structures and can provide significant medical breakthroughs, highlighting the importance of sleep quality and diagnosis.
A baby's sleep position is the best predictor of deformational plagiocephaly, a misshapen skull condition. The study analyzed over 20,000 children and found that boys are twice as likely to have flat-headedness than girls, as well as babies with low birth weight and certain prenatal conditions.
Researchers Darío Acuña-Castroviejo and Germaine Escames found that melatonin is an effective sleep regulator, regulating the biological clock and synchronizing the body's circadian rhythms. Taking melatonin at specific hours can correct chronobiological alterations of the cycle sleep/wakefulness.
Studies reveal an increasing number of ICU patients discharged home, while tele-ICUs reduce carbon footprint and costs. Excessive propofol use may lead to high omega-6 exposure, posing safety concerns. Abnormal sleep habits among ICU nurses may increase errors, but remote teleintensivist programs improve hospital mortality.
Research at CHEST 2009 reveals that CPAP therapy may be associated with a slight weight gain in patients, while large tonsils in children may predict sleep apnea. Oral appliances offer an effective alternate treatment for military service members, and abnormal sleep habits among ICU nurses may increase errors
A new study found that golfers with obstructive sleep apnea who received nasal positive airway pressure (NPAP) treatment improved their daytime sleepiness scores and lowered their golf handicap by as much as three strokes. The study suggests that the possibility of improving one's golf game may be a significant motivator to improve NPA...
A study shows that retirement is followed by a sharp decrease in sleep disturbances due to reduced work-related demands and stress. Sleep disturbance prevalence rates fell from 24.2% to 17.8% after retirement, with the greatest reduction reported among participants with depression or mental fatigue.
Research found inflammation is associated with increased pain sensitivity at joint sites, while sleep problems are linked to increased pain sensitivity at both joint and non-joint sites. This study highlights the importance of considering inflammatory and non-inflammatory factors when evaluating pain in RA patients.
A study found that a 16-week diet and exercise program improved typical OSA symptoms such as snoring and daytime sleepiness, but failed to eliminate the condition. Weight loss was significant, but apnea-hypopnea index reduction was not statistically significant.
A recent study published by Oregon Health & Science University researchers found that uvopalatopharyngoplasty surgery can effectively treat certain patients with sleep apnea. The procedure is particularly effective for young patients with normal to mildly obese body mass indexes and moderate breathing stoppages per hour.
A Canadian study found that giving caffeine to newborn rats causes detrimental effects on sleep and breathing patterns in adulthood. Adult rats showed reduced sleeping time, increased time to fall asleep, and fragmented non-REM sleep. Breathing problems were also more common in caffeine-treated rats.
Four national groups of surgeons recommend changes in resident environment, including a reduction of duty-hours standards proposed in 2003. The changes aim to balance patient care and surgical education needs.
A study in Nutritional Neuroscience reveals that breast milk contains day-specific ingredients that promote restfulness and sleep. The researchers found that the highest concentrations of sleep-inducing nucleotides were present in nighttime samples collected from 30 women over a 24-hour period.
A study published in Sleep found that elderly women reported shorter and poorer sleep than men, but objectively measured sleep showed the opposite pattern. Women slept longer and had higher sleep efficiency, possibly due to differences in sleep duration determinants such as medication use and alcohol consumption.
A new study by Queen's University researchers found that taking an anti-seizure drug and an antidepressant together is a more effective treatment for neuropathic pain than taking either individually. Patients experienced less pain and improved sleep when given both drugs, with significant improvements also seen in sleep interference.
A study identified a genetic variation in humans that allows some people to require less sleep. Researchers created 'insomniac' mice with the same gene variation, which appeared to function normally despite less sleep. The discovery sheds light on two aspects of sleep: biological clocks and body homeostasis.
A Rutgers University research team has identified the mechanism that causes learning and memory formation during sleep. Short transient brain events called sharp wave ripples are responsible for consolidating memory and transferring learned information from the hippocampus to the neocortex, where long-term memories are stored.
A study led by MSU researcher Kimberly Fenn found that sleep helps reduce false memories and improve performance in individuals with poor memory, including seniors. This suggests that sleep strengthens the source of the memory, allowing for better recall and recognition.
Chronic insomnia increases nighttime blood pressure, leading to cardiovascular risks and heart damage. Researchers found heightened blood pressure in insomniacs, particularly those with overt cardiac disease.
A Northwestern University study found that eating at irregular times influences weight gain, with the body's circadian rhythms playing a significant role. The research suggests that modifying meal timing alone can greatly affect body weight, potentially combating obesity.
A new study found that losing just one hour of sleep can pose serious consequences for workers in hazardous environments. The research, published in the Journal of Applied Psychology, analyzed data from 1983 to 2006 and showed a 68% increase in lost work days after the switch to daylight saving time.
A study published by the American Academy of Sleep Medicine found that workplace bullying is associated with increased sleep disturbances in both men and women. The study, which analyzed data from a large-scale cross-sectional survey in France, found that exposure to bullying was significantly linked to self-reported sleep disturbances.
Researchers found that acid refluxing at night results in sleep arousal 89 percent of the time in participants with and without GERD. GERD patients experience longer acid reflux events, leading to increased risk for complicated disease and esophageal cancer. This association suggests a bi-directional link between sleep problems and GERD.
A study found that chemotherapy impairs sleep-wake activity rhythms in breast cancer patients, leading to shorter days and disrupted biological clocks. The disruption worsens with repeated chemotherapy cycles, highlighting the need for routine screening and management of sleep disturbances.
A study with hamsters shows that chronic alcohol consumption blunts the biological clock's ability to synchronize daily activities to light. The research suggests that this disruption can have long-lasting effects on the body's internal clock, even after withdrawal from alcohol.
A new analysis by Jerome Siegel reveals that sleep's primary function is to regulate behavior and increase efficiency, rather than solely for brain maintenance or longevity. Sleep duration varies across species based on factors such as eating needs, migration requirements, and predator avoidance.
Research published in PLOS Medicine found that severe breathing disorders during sleep are associated with a higher risk of dying. Men between 40 and 70 years old with severe sleep-disordered breathing were twice as likely to die from any cause compared to those without the condition.
A new study found that over a third of baby photos in women's magazines show babies sleeping in unsafe positions, and two-thirds of sleep environments depicted are also hazardous. The American Academy of Pediatrics recommends placing babies on their backs without soft bedding to reduce SIDS risk.