Current Sleep Apnea News and Events | Page 25

Current Sleep Apnea News and Events, Sleep Apnea News Articles.
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The brain puts the memories warehouse in order while we sleep
During the hours of sleep the memory performs a cleaning shift. A study led by a Spanish scientist at the University of Cambridge reveals that when we sleep, the neural connections that collect important information are strengthened and those created from irrelevant data are weakened until they get lost. (2018-03-15)

New doctors' intense and changing schedules take a toll on sleep, activity and mood
This week, thousands of graduating medical students around the country will find out where they'll head next, to start their residency training. But a new study gives the first objective evidence of the heavy toll that the first year of residency can take on their sleep, physical activity and mood. (2018-03-15)

New class of menopause drugs reduces number and severity of hot flushes
A new class of experimental drugs reduces hot flushes in menopausal women by almost three-quarters in just three days. (2018-03-14)

Nightmares are common but underreported in US military personnel
A new study shows that a high percentage of military personnel with sleep disturbances met criteria for nightmare disorder, but few of them reported nightmares as a reason for sleep evaluation. Those with nightmare disorder had an increased risk of other sleep and mental health disorders. (2018-03-14)

Sleep apnea study finds male-female differences in cerebral cortex thickness, symptoms
Researchers from the UCLA School of Nursing examined clinical records and magnetic resonance imaging brain scans of patients who were recently diagnosed with sleep apnea, and discovered several apparent connections between thinning of the brain's cerebral cortex and apnea symptoms. (2018-03-13)

Association of excessive daytime sleepiness in older adults and biomarker of Alzheimer's disease
Excessive daytime sleepiness in a group of older adults without dementia was associated with increased accumulation of a brain protein that is an important biomarker for Alzheimer's disease. (2018-03-12)

Can't sleep? Could be down to genetics
Researchers have identified specific genes that may trigger the development of sleep problems, and have also demonstrated a genetic link between insomnia and psychiatric disorders such as depression, or physical conditions such as type 2 diabetes. The study in the journal Molecular Psychiatry, which is published by Springer Nature, was led by Murray Stein of the University of California San Diego and the VA San Diego Healthcare System. (2018-03-09)

Cueing newly learned information in sleep improves memory, and here's how
Scientists have long known that sleep is important to the formation and retention of new memories. Memory consolidation is associated with sudden bursts of oscillatory brain activity, called sleep spindles, which can be visualized and measured on an electroencephalogram (EEG). Now researchers reporting in Current Biology on March 8 have found that sleep spindles also play a role in strengthening new memories when newly learned information is played back to a person during sleep. (2018-03-08)

Memories can be decoded from brain waves during sleep, say researchers
Research at the University of York has shown that the content of newly formed memories can be decoded from brain activity whilst people are asleep. (2018-03-08)

Study reveals that italian adolescents are heavy consumers of caffeine
More than three-quarters (76 percent) of Italian adolescents who completed anonymous questionnaires consumed caffeine on a daily basis and nearly half (46 percent) exceeded the upper limits recommended by the American Academy of Pediatrics. The findings are published in Acta Paediatrica. (2018-03-07)

The brain's internal clock continually takes its temperature
Circuits in the brain act as an internal clock to tell us it is time to sleep and to control how long we then stay asleep. A new study in flies suggests a part of that clock constantly monitors changes in external temperature and integrates that information into the neural network controlling sleep. The study was published in Nature and was supported by the National Institute of Neurological Disorders and Stroke (NINDS). (2018-03-07)

Rural claim lines with sleep apnea diagnoses increased 911 percent from 2014 to 2017
From 2014 to 2017, private insurance claim lines with a diagnosis of sleep apnea -- a potentially serious disorder in which a person repeatedly stops and starts breathing while asleep -- increased by 911 percent in rural America, according to FAIR Health. (2018-03-06)

Opioids not better at reducing pain to improve function for chronic back, knee and hip pain
Opioid medications were not better at improving pain that interfered with activities such as walking, work and sleep over 12 months for patients with chronic back pain or hip or knee osteoarthritis pain compared to nonopioid medications. (2018-03-06)

Preschoolers exposed to nighttime light lack melatonin
A new study from University of Colorado Boulder found that preschoolers exposed to bright light at bedtime had an 88 percent reduction in melatonin levels. Anatomical differences in their young eyes may make them more vulnerable to adverse impacts of bright light, the researchers say. (2018-03-05)

Sedative may prevent delirium in the ICU
A low dose of the sedative dexmedetomidine given at night may prevent delirium in critically ill patients, according to new research published online in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine. (2018-03-02)

Moms who co-sleep beyond six months may feel more depressed, judged
Moms who continue to co-sleep -- by sharing either a room or bed -- with their infants past six months were more likely to feel depressed, worried about their babies' sleep and think their decisions were being criticized, according to Penn State researchers. (2018-02-28)

Adherence to sleep apnea treatment affects risk of hospital readmission
A study of patients with obstructive sleep apnea (OSA) suggests that non-adherence to continuous positive airway pressure (CPAP) therapy is significantly associated with increased 30-day hospital readmissions. (2018-02-22)

Treating sleep-disordered breathing may have cardiovascular benefits for heart failure patients
Severe sleep-disordered breathing is linked with stiffening of the arteries' walls and may be related to the development of heart failure, according to a recent study in ESC Heart Failure, a journal of the European Society of Cardiology. (2018-02-21)

Getting sleepy? Fruit flies constantly tune into environmental temperature to time sleep
Humans and fruit flies may have not shared a common ancestor for hundreds of millions of years, but the neurons that govern our circadian clocks are strikingly similar. (2018-02-21)

Study points to risk of future sleep breathing problems in college football players
Previous studies with older NFL football players have found a high incidence of sleep apnea, a serious health issue, among the group, particularly among older linemen. Now, a study with college-age linemen suggests that the roots of this health problem in football players may begin much earlier, and at an age when the condition is much less likely to occur in the general population. Body training specific to linemen appears to be related. (2018-02-21)

High blood pressure limits protection to vital organs and tissues in low-oxygen conditions
New research published in The Journal of Physiology sheds light on the effects of high blood pressure by considering the way the body responds to a lack of oxygen. (2018-02-20)

Sleep problems in menopause linked to hot flashes, depression -- and may not last
A new study of middle-aged women found that sleep problems vary across the stages of menopause, yet are consistently correlated with hot flashes and depression. The findings suggest that addressing those risk factors may also address sleep disruptions, as well as give women hope that their sleep symptoms may not last past the menopausal transition. (2018-02-19)

To sleep, perchance to forget
People and other animals sicken and die if they are deprived of sleep, but why is sleep so essential? Psychiatrists Chiara Cirelli and Giulio Tononi proposed the 'synaptic homeostasis hypothesis' (SHY) in 2003. This hypothesis holds that sleep is the price we pay for brains that are plastic and able to keep learning new things. A few years ago, they started research that could show direct evidence for their theory. The result offers visual proof of SHY. (2018-02-17)

Understanding a fly's body temperature may help people sleep better
In findings that one day may help people sleep better, scientists have uncovered the first molecular evidence that two anciently conserved proteins in the brains of insects and mammals share a common biological ancestry as regulators of body temperature rhythms crucial to metabolism and sleep. Publishing their data in the journal Genes & Development, the scientists study fruit flies (Drosophila) and mice to solve mysteries about body temperature rhythms in insects and mammals. (2018-02-13)

NIH-funded researchers identify risk factors for sleep apnea during pregnancy
Snoring, older age and obesity may increase a pregnant woman's risk for sleep apnea -- or interrupted breathing during sleep -- according to researchers funded by the National Institutes of Health. (2018-02-13)

Slow eating speed may be linked to weight loss
Slowing down the speed at which you eat, along with cutting out after dinner snacks and not eating within two hours of going to sleep may all help to shed the pounds, suggests research published in the online journal BMJ Open. (2018-02-12)

Sleepless in Latin America: Blind cavefish, extreme environments and insomnia
A study led by researchers from Florida Atlantic University has found that differences in the production of the neuropeptide Hypocretin, previously implicated in human narcolepsy, may explain variation in sleep between animal species, or even between individual people. It may also provide important insight into the evolution of sleep and how we might build a brain that does not need to sleep. (2018-02-06)

Long-term usage of inhaled corticosteroids may increase risk of bone fractures in patients with COPD
A study published in the February journal CHEST® suggests long-term inhaled corticosteroids (ICS) in patients with COPD may increase risk of bone fractures in both men and women. Previous studies have suggested that ICS negatively impacts bone mineral density in a dose-dependent fashion, particularly affecting postmenopausal women, but it has been unclear whether these effects translate to bone fractures. (2018-02-05)

Pulling an all-nighter impairs working memory in women
Over the last few decades, a wealth of evidence has accumulated to suggest that a lack of sleep is bad for mind and body. Working memory is important for keeping things in mind for briefer periods of time, which thereby facilitates reasoning and planning. A team of sleep scientists from Uppsala University now demonstrates that acute sleep loss impacts working memory differently in women and men. (2018-01-31)

Sixty-four percent of women suffer from insomnia in late pregnancy
Study led by the University of Granada warns that health systems need to address this problem systematically, since as well as affecting the quality of life of pregnant women, insomnia is a risk factor for high blood pressure and pre-eclampsia, gestational diabetes mellitus, depression, preterm birth and unplanned caesarean sections. (2018-01-29)

Body clock disruptions occur years before memory loss in Alzheimer's
People with Alzheimer's disease have disturbances in their internal body clocks that affect the sleep/wake cycle and may increase risk of developing the disorder. Researchers at Washington University School of Medicine in St. Louis have found that such circadian rhythm disruptions also occur much earlier in people whose memories are intact but whose brain scans show early, preclinical evidence of Alzheimer's. (2018-01-29)

These carbon dioxide-sensing neurons wake up mice
Stimulating a population of neurons in the midbrain with carbon dioxide (CO2) awakens adult male mice without enhancing breathing, finds a study published in JNeurosci. These findings are relevant to understanding disorders such as obstructive sleep apnea, sudden infant death syndrome and sudden unexpected death in epilepsy. (2018-01-29)

Analysis looks at long-term risks of living kidney donation
Living kidney donors are not at increased risk for some health outcomes previously of concern, but do seem at risk for worse blood pressure and kidney function than nondonors. Female donors seem to be at increased risk for preeclampsia. (2018-01-29)

Quality of children's sleep may affect eating habits and weight
Several measures of poor sleep quality were associated with higher body mass index (BMI) in children, according to data presented at the American Association for Cancer Research Special Conference Obesity and Cancer: Mechanisms Underlying Etiology and Outcomes, held Jan. 27-30. (2018-01-26)

Social media use linked to lack of sleep in students
Greater use of social media was associated with a greater likelihood of getting too little sleep in an Acta Paediatrica study of Canadian students aged 11-20 years. (2018-01-24)

First look at pupil size in sleeping mice yields surprises
When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers reporting in Current Biology on Jan. 18 have found in studies of mice that pupil size also fluctuates during sleep. They also show that pupil size is a reliable indicator of sleep states. (2018-01-18)

Americans are getting more ZZZZs
Although more than one in three Americans still don't get enough sleep, a new analysis shows first signs of success in the fight for more shut eye. (2018-01-18)

Who uses phone apps to track sleep habits? Mostly the healthy and wealthy in US
The profile of most Americans who use popular mobile phone apps that track sleep habits is that they are relatively affluent, claim to eat well, and say they are in good health, even if some of them tend to smoke. (2018-01-16)

Bright light therapy improves sleep in people treated for cancer
Results of a randomized controlled trial suggest that systematic bright light exposure can improve sleep for fatigued people who have been treated for cancer. (2018-01-16)

Newborn Immune Activation May Have Long-Term Negative Impact on Brain FunctionNewborn immune activation may have long-term negative impact on brain function
McLean neuroscientists have found that even a brief episode of immune system activation within days of birth can cause persistent changes in sleep patterns concurrent with increases in epilepsy-like brain activity -- a combination of symptoms common in autism spectrum disorder (ASD) and other developmental conditions. (2018-01-12)

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