Body's circadian rhythm may increase overnight cardiovascular risk in people with sleep apnea
New research suggests that the circadian system in people with obstructive sleep apnea may disrupt blood vessel function overnight, which may help explain the higher risk of nighttime heart attacks in people with sleep apnea.
15 hours ago
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Early morning practices linked to less and lower-quality sleep in college athletes
A study using more than 27,000 sleep records of collegiate athletes provides the best evidence to date that early morning team practices take a toll on healthy sleep.
Nov 17, 2025
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Poor sleep may nudge the brain toward dementia, researchers find
Staring at the ceiling while the clock blinks 3am doesn't only sap energy for the next day. A large, long-running U.S. study of older adults has now linked chronic insomnia to changes inside the brain that set the stage for ...
Nov 16, 2025
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Study links social media addiction to poor sleep quality among Bangladeshi youth
A study published in Nature and Science of Sleep reveals a strong connection between social media addiction and poor sleep quality among high school graduates in Bangladesh, offering fresh insights into the mental health ...
Nov 13, 2025
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Can't sleep? Your microbiome may play a role
Sleep is a hot commodity—we want it, we need it, but most of us aren't getting enough of it.
Nov 12, 2025
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Sleep-related disorders associated with hypertension in postmenopausal women
Postmenopausal women are especially vulnerable to hypertension, which is a major cardiovascular risk factor. Women transitioning through or past the menopause transition are also more likely to report sleep disturbances (shorter ...
Nov 12, 2025
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Should you worry about melatonin and heart failure? The evidence isn't clear
A study presented at the American Heart Association's scientific meetings has raised concerns about melatonin, one of Britain's most commonly prescribed sleep aids. The findings suggest that long-term users face a higher ...
Nov 11, 2025
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Dreaming of fewer running injuries? Start with better sleep
If you are among the 620 million people who lace up their running shoes on a regular basis, chances are that you're an early riser.
Nov 11, 2025
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Chronic fatigue syndrome linked to high rates of dysfunctional breathing patterns
Chronic fatigue syndrome leaves patients exhausted and struggling with brain fog—and it typically gets worse after mental or physical exercise, a phenomenon called post-exertional malaise.
Nov 10, 2025
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Daylight robbery? How London's skyscrapers deprive marginalized people of light
When you look at the promotional materials advertising luxury high-rise developments in London, it is obvious that the fantasy of living in the sky is fused by a desire for sunlight and "unobstructed" views of the city. Phrases ...
Nov 10, 2025
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A study questions melatonin use and heart health but don't lose sleep over it
Don't lose sleep over headlines linking melatonin to heart failure. That's the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement. It raised questions about the safety ...
Nov 8, 2025
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How experts are using AI to better detect sleep apnea, especially in women
Mayo Clinic researchers have developed an artificial intelligence (AI) algorithm that can identify obstructive sleep apnea (OSA) using the results from an electrocardiogram (ECG)—a common heart test. The innovation could ...
Nov 6, 2025
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Moderate to severe sleep apnea tied to higher risk of brain microbleeds
Research led by Korea University Ansan Hospital reports finding an association between moderate to severe obstructive sleep apnea and increased risk of cerebral microbleeds.
Using your phone every night before bed? Researchers say that's okay
Scrolling on your phone before bed may not be as bad for your sleep as we once thought. New research from Toronto Metropolitan University (TMU) and the Université Laval suggests nightly screen use does not contribute to ...
Nov 5, 2025
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Is seasonal affective disorder more than feeling sad? Q&A
Seasonal affective disorder, or SAD, is a type of depression that's related to the changes in seasons. Symptoms typically appear in the fall, worsen through the winter months and eventually go away in the spring or summer.
Nov 5, 2025
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Exploring interactions between gut microbiota and sleep disorders through the brain-gut axis
A comprehensive review published in Brain Medicine illuminates the intricate connections between gut microbiota and sleep regulation, establishing the microbiota-gut-brain axis as a critical pathway in understanding and potentially ...
Nov 4, 2025
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Long-term use of melatonin supplements to support sleep may have negative heart health effects
Long-term use of melatonin supplements, often used to promote sleep and address insomnia, is associated with a higher risk of heart failure diagnosis, heart failure, hospitalization and death from any cause in chronic insomnia, ...
Nov 3, 2025
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Exploring the relationship between sleep and diet
Sleep patterns and eating habits can influence each other, but the link between these behaviors remains unclear. In a new JNeurosci paper, researchers led by William Ja, from the Herbert Wertheim UF Scripps Institute for ...
Nov 3, 2025
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Adenotonsillectomy improves sleep architecture, respiratory outcomes in pediatric obstructive sleep apnea
For pediatric obstructive sleep apnea (OSA), adenotonsillectomy (T&A) significantly improves sleep architecture and respiratory outcomes, according to a study published online Oct. 24 in Laryngoscope.
Nov 2, 2025
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Patient voices reveal the reality of living with the chronic sleep disorder idiopathic hypersomnia
Idiopathic hypersomnia (IH) is a rare, chronic neurological disorder that causes people to feel excessively sleepy during the day, even after getting a full night's rest. Other symptoms include severe difficulty waking up ...
Q&A with neurologist: Why is it so hard to adjust when clocks 'fall back?'
Daylight saving time ends this Sunday at 2:00 a.m. It was introduced in 1918 as a way to conserve energy by making the most of summer's daylight hours. But some people say that shifting our clocks is its own form of energy ...
Oct 31, 2025
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An app, an Apple Watch and AI: A new way for researchers to study sleep health
An app that turns consumer Apple Watches into tools for highly sophisticated sleep stage monitoring was developed by a team of researchers led by professor Joyita Dutta at the University of Massachusetts Amherst. The researchers ...
Oct 30, 2025
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Sleep medicine expert says testing hospitalized patients for sleep apnea saves lives
Despite growing evidence that sleep apnea contributes to cardiovascular disease and can even make it worse, about 50% to 77% of hospitalized patients remain undiagnosed, according to a West Virginia University expert on sleep ...
Oct 30, 2025
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