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Sleep disorders news
Cardiology
Untreated sleep apnea tied to early heart aging and death
A new study published in npj Aging provides compelling evidence that untreated obstructive sleep apnea (OSA) accelerates cardiovascular aging and significantly increases the risk of premature death.
Dec 11, 2025
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Health
How you eat may be connected to how you sleep
The average adult should get a minimum of seven hours of sleep daily, according to Centers for Disease Control and Prevention recommendations. However, an estimated 50 to 70 million Americans are diagnosed with a sleep disorder ...
Dec 11, 2025
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Anxiety and insomnia may lower natural killer cell count, potentially repressing immune function
Natural killer (NK) cells are the bodyguards of our immune system. As a first line of defense, they destroy invading pathogens, foreign bodies, and infected cells in early stages, thereby preventing them from spreading. NK ...
Dec 10, 2025
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How does sleep help rewind the body's clock?
A night-shift worker finishes at dawn. Their phone says Tuesday, but their body feels like it's Monday. The body's internal clock, or circadian rhythm, controls physiological processes such as sleeping, eating and physical ...
Dec 10, 2025
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Priming for depression in a dimly lit world
St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor light in healthy young adults raised afternoon and evening cortisol and reshaped sleep in ways ...
Inconsistent sleep patterns in adolescents found to have widespread negative effects on the developing brain
Adolescents often sleep less than recommended and have substantially different sleep patterns on weekdays and weekends. Their mismatch in sleep timing between school and free days, known as social jet lag, has been linked ...
Dec 9, 2025
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Study maps out sleep challenges and solutions in China
A research team led by Professor Lu Lin from the Peking University (PKU) Sixth Hospital has recently provided a comprehensive overview of sleep health in China, identifying prevalent causes of sleep disturbance and suggesting ...
Dec 9, 2025
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Most people struggle to meet recommended sleep and physical activity targets: Getting rest is better, says study
Getting enough sleep and staying active are two of the most important things we can do for our health, but new research shows that most people struggle to achieve both, and that sleep may hold the key to moving more.
Dec 8, 2025
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Insufficient sleep associated with decreased life expectancy
A good night's sleep is more than a luxury: New research from Oregon Health & Science University suggests that insufficient sleep may shorten your life. The study is published in the journal SLEEP Advances.
Dec 8, 2025
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Rising temperatures linked to shorter, poorer sleep for US adults
Higher nighttime temperatures are linked to shorter sleep times and lower sleep quality, especially for people with chronic health conditions, lower socioeconomic status, or those living on the West Coast, according to a ...
Dec 5, 2025
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Good sleep starts in the gut
You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.
Dec 4, 2025
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Short and irregular weekday sleep disrupts glucose regulation even after weekend sleep recovery, study reveals
Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have found that insufficient weekday sleep significantly disrupts glucose metabolism even when weekend sleep is extended.
Dec 3, 2025
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Why undisturbed sleep is important to brain injury recovery
A new study highlights how important uninterrupted sleep is to recovery after a traumatic brain injury, finding that fragmented sleep in injured mice is linked to a loss of rapid-eye-movement (REM) sleep and increased fatigue.
Dec 2, 2025
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Popular pre-workout supplements linked to shorter sleep among Canadian adolescents
A new study from the Canadian Study of Adolescent Behaviors reveals that adolescents and young adults who use pre-workout dietary supplements, such as Bang!, Jack3D, and C4, are significantly more likely to report dangerously ...
Dec 2, 2025
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Losing sleep over money: Study reveals how financial stress follows workers to bed
Long before the alarm sounds, many Americans lose quality rest to the quiet worries that surface after dark—whether about bills, the next paycheck or job stability.
Dec 2, 2025
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New study overturns assumptions about AFib treatment in sleep apnea patients
Obstructive sleep apnea and atrial fibrillation (AFib) are two conditions that share a potentially deadly link. Having one increases the odds of developing the other, and together, the breathing difficulties of sleep apnea ...
Dec 2, 2025
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Insomnia combined with sleep apnea associated with worse memory in older women
New research among older adults with sleep apnea reveals that verbal memory performance is significantly worse in women—but not in men—who also have insomnia.
Dec 1, 2025
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New study shows why some minds can't switch off at night
Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural 24-hour rhythm of mental activity, shedding light on why some people struggle to "switch off" at night.
Nov 26, 2025
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Tai chi as good as talking therapy for managing chronic insomnia, finds study
Tai chi, a form of mind-body exercise widely practiced in Chinese communities, has similar benefits to talking therapy for middle aged and older people with chronic insomnia, finds a trial from Hong Kong published by The ...
Nov 26, 2025
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Untreated sleep apnea raises risk of Parkinson's, study finds
New research reveals that people with untreated obstructive sleep apnea have a higher risk of developing Parkinson's disease. However, they can significantly reduce the risk by improving the quality of their sleep by using ...
Nov 24, 2025
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Gut microbes may have links with sleep deprivation
Sleep is one of the essential physiological needs for human survival, alongside food, water and air. But sleep is socially driven, influenced by environmental and personal factors, and a recent study suggests it may be affected ...
Nov 24, 2025
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Study links depression, insomnia to higher risk of dementia
A study conducted by researchers at Saint Louis University found that people over 50 who suffer from both depression and insomnia are significantly more likely to develop Alzheimer's disease and related dementias.
Nov 19, 2025
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Sleep-related disorders tied to hypertension in postmenopausal women
Sleep-related disorders are significantly associated with hypertension in postmenopausal U.S. women, according to a study published online Nov. 11 in Menopause.
Nov 19, 2025
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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.
Nov 18, 2025
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New survey shows 72% of adults struggle with sleepiness each day
Tired? Well, a new national survey shows that you're not alone.
Nov 18, 2025
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