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Sleep disorders news
Alzheimer's disease & dementia
Study links lower proportions of certain sleep stages to brain changes associated with Alzheimer's disease
New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over time.
Mar 31, 2025
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Psychology & Psychiatry
One hour's screen use after going to bed increases your risk of insomnia by 59%, scientists find
Scientists have found another reason to put the phone down: a survey of 45,202 young adults in Norway has discovered that using a screen in bed drives up your risk of insomnia by 59% and cuts your sleep time by 24 minutes. ...
Mar 31, 2025
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Exosomes linked to blood-brain barrier dysfunction in pediatric obstructive sleep apnea
A new study by researchers from Marshall University and the University of Missouri highlights how exosomes—tiny vesicles released by cells—may play a key role in blood-brain barrier (BBB) dysfunction in children with ...
Mar 26, 2025
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Research shows link between the start of the working day and time preferences
Those who start work earlier express more discomfort with the seasonal time change. This is the main conclusion of a study that the lecturers at the University of Santiago de Compostela (USC) and the University of Seville ...
Mar 26, 2025
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Poor sleep linked to advanced stages of a complex heart and kidney disease syndrome
People with a complex heart, kidney and metabolic-related condition who got better quality sleep were less likely to have an advanced stage of the illness than those getting poor sleep, according to a new study.
Mar 25, 2025
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Sleep keeps memories fresh: Study finds neural patterns reorganize during sleep to boost recollection
A good night's sleep helps us remember recently learned information, "engraving" our memories. This is also true for animals, as remembering, for example, the location of food resources is essential for their survival. Scientists ...
Mar 24, 2025
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Chronic jet lag disrupts metabolism differently in male and female mice, study finds
Jet lag is one of the worst parts of long-distance traveling or shift work—it makes us tired and cranky, and also plays havoc with our metabolism (and therefore our weight). Now, new research on mice suggests that the way ...
Mar 20, 2025
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Insomniac fruit fly mutants show enhanced memory despite severe sleep loss
Fruit fly mutants that have severe sleep deficits perform better at olfactory learning and memory tasks, according to a study published in the open-access journal PLOS Biology by Sheng Huang and Stephan Sigrist from Freie ...
Mar 20, 2025
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Insomnia can lead to heart issues: Psychologist recommends changes that can improve sleep
About 10% of Americans say they have chronic insomnia, and millions of others report poor sleep quality. Ongoing research has found that bad sleep could lead to numerous health problems, including heart disease.
Mar 20, 2025
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Q&A: What's keeping you up at night?
Struggling to sleep after the time change? You're not alone—daylight saving time causes temporary insomnia symptoms in as many as 35% of adults due to the sudden change in schedule, according to the American Academy of ...
Mar 20, 2025
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Spring resolutions: Why it's the best time of year to make healthy changes
In the middle of winter, when lack of sunlight can lead to low energy and low mood, we are expected to make new year's resolutions. But why not wait till March, for spring, when the returning sunlight gives us the energy ...
Mar 20, 2025
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Don't snooze on sleep apnea
Does your partner keep leaving for the guest bedroom because of your thunderous snoring? Don't call the divorce lawyer. Instead, consider calling your doctor.
Mar 20, 2025
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Why are night owls at greater risk of depression?
Mindfulness, total sleep quality, and alcohol consumption may help explain why people who stay up late have a greater risk of depression, according to a new study published in the open-access journal PLOS One by Simon Evans ...
Mar 19, 2025
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The naturalness of the seasonal time change: Researchers question basis of modern criticism
What is the best time to start the day in view of the variation in when the sun rises? This is the problem analyzed by Jorge Mira Pérez and José María Martín-Olalla, lecturers at the University of Santiago de Compostela ...
Mar 19, 2025
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Can a daily nap do more harm than good? A sleep researcher explains
You're in the middle of the afternoon, eyelids heavy, focus slipping. You close your eyes for half an hour and wake up feeling recharged. But later that night, you're tossing and turning in bed, wondering why you can't drift ...
Mar 19, 2025
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Early surgical intervention shown to be effective in children with sleep-disordered breathing
An estimated 6–17% of children have sleep-disordered breathing, ranging from snoring to sleep apnea, which can cause behavioral, neurocognitive, cardiovascular, and cardiometabolic issues. A randomized trial from Mass General ...
Mar 17, 2025
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New AI model analyzes full night of sleep with high accuracy in largest study of its kind
Researchers at the Icahn School of Medicine have developed a powerful AI tool, built on the same transformer architecture used by large language models like ChatGPT, to process an entire night's sleep. To date, it is one ...
Mar 17, 2025
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How much sleep do you really need? Experts say it depends
Chances are, if you're reading this, you got some sleep last night. But are you feeling rested?
Mar 14, 2025
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Poor sleep could be bad for your brain, study indicates
Poor sleep could have an impact on brain health, according to a new study from The Australian National University (ANU) published in the journal Sleep Medicine.
Mar 13, 2025
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Researcher finds way to diagnose people with sleep apnea while they're awake
A researcher at Northeastern University has found a groundbreaking new way to diagnose people with sleep apnea that could open the door for mass screenings of a sleep disorder that affects millions of people.
Mar 13, 2025
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Poor sleep may fuel conspiracy beliefs, research suggests
A new study from the University of Nottingham has revealed that poor sleep quality may increase susceptibility to conspiracy beliefs, with depression likely playing a key role in this relationship.
Mar 12, 2025
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How satisfied are you with your mattress? Research develops and tests a tool to find out
Sleep quality is a crucial aspect of health, yet while adults spend around a third of their lives sleeping, there is surprisingly little research on mattresses. Mass General Brigham researchers developed and tested the Boston ...
Mar 12, 2025
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New tool enhances obstructive sleep apnea detection accuracy
Many Australians could be suffering from undiagnosed obstructive sleep apnea (OSA), with Charles Darwin University (CDU) researchers developing a new technique to screen for the potentially fatal condition.
Mar 12, 2025
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Abnormal uterine bleeding during menopause linked to greater risk of fatigue
Multiple menopause symptoms can make women feel fatigued. Hot flashes, sleep problems, pain, and depression are just a few. A new study suggests that heavy or prolonged menstrual bleeding may increase fatigue, which helps ...
Mar 12, 2025
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Blood test shows promise for early detection of dementia in people with a certain sleep disorder
For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates.
Mar 11, 2025
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