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Sleep medicine news
Waking at 3 am every night? Here's what may be going on
It's 3am. The room is dark, the house is silent, but your brain is suddenly wide awake. Many people find themselves waking at roughly the same time each night and start to wonder whether something is wrong with their sleep.
Apr 15, 2026
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Study reveals how dreams affect our emotions in day-to-day life
There are a few reasons why we might dream, say neuroscientists. Even dreams that are scary may serve a purpose: One prevalent idea is that fear in dreams could help people deal with fear in waking life, much like exposure ...
Apr 14, 2026
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Study identifies why nightmares persist in children and how to break the cycle
Research from the University of Oklahoma and the University of Tulsa proposes a new model to explain why nightmares can persist over time in children and how therapy can be designed to break that cycle.
Apr 10, 2026
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AI model suggests CPAP can massively swing heart risk in sleep apnea
Mount Sinai researchers have created an analytic tool using machine learning that can predict cardiovascular disease risk in millions of patients with obstructive sleep apnea, a serious sleep disorder, according to findings ...
Apr 9, 2026
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A 'wake-up call' from leading sleep scientists: Nighttime warming threatens the sleep of billions
As the world heats up, nights are warming faster than days where most people live—and this ambient heat affects how well and how long people sleep. A new article by eminent sleep scientists, including the presidents of the ...
Apr 9, 2026
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A wearable ring could help assess your cardiovascular health while you sleep
Consumer wearables have become everyday tools for monitoring sleep and physical activity. Researchers at the Centre for Sleep and Cognition at the NUS Yong Loo Lin School of Medicine (NUS Medicine) have now shown that their ...
Apr 8, 2026
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Lab-grown pineal gland organoids produce melatonin, offering a new sleep model
Organoids are miniature, simplified versions of an organ. Over the past two decades, scientists have developed them for the gut, lung, liver, mammary gland, brain, and more. Now, researchers at Yale School of Medicine (YSM) ...
Apr 8, 2026
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Sleep patterns may reveal hidden heart risks
People whose sleep apnea changes dramatically from night to night are 30% more likely to have a heart attack, stroke, or heart failure, reveals a new study from Flinders University. The research, published in the journal ...
Apr 7, 2026
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Irregular bedtime linked to higher risk of cardiac events
An irregular bedtime in midlife may signal an increased risk of cardiovascular disease. A new study from the University of Oulu suggests that large swings in when people go to bed could double the risk of serious cardiac ...
Apr 4, 2026
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Depression may harm young people's physical health long before any obvious signs appear
A groundbreaking new study tracking almost 2,000 young Australians for a decade has challenged a long-held assumption about depression and physical health, finding disrupted sleep was a stronger predictor of later insulin ...
Apr 4, 2026
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How to enjoy Easter chocolate without wrecking your sleep
Easter is here and chocolate is everywhere—crowding shop shelves, piling up on desks, and likely already sitting in your pantry.
Apr 2, 2026
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Study shows association between obstructive sleep apnea, all-cause mortality and cardiovascular events
New research to be presented at the European Congress on Obesity (ECO 2026, Istanbul, Turkey, 12–15 May) shows that those living with obstructive sleep apnea (OSA) have a 71% higher risk of cardiovascular events (CVEs) or ...
Apr 2, 2026
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The body's internal clock can be determined from a hair sample
A research team at Charité–Universitätsmedizin Berlin has developed a test that can determine a person's chronotype based on their hair roots. It is intended to lay the foundation for circadian medicine—that is, medicine ...
Apr 1, 2026
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Exploding head syndrome: The surprisingly common condition with a terrifying name
Have you ever been drifting off to sleep when suddenly you hear what sounds like a gunshot, a door slamming, or an explosion inside your head? You jolt awake, heart pounding, sit upright in bed, but the room is silent.
Mar 31, 2026
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EEG during sleep reveals changing infant brain rhythms at 3 and 6 months
Electrical signals from the brain could help identify potential issues in the organ's development, a new study reports. Scientists from the University of Fribourg in Switzerland and the University of Surrey investigated electrical ...
Mar 30, 2026
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Sleep health overlooked: Nearly half of adults haven't talked to their health care professional about sleep
While sleep is essential to health, nearly half of adults (45%) have not discussed sleep with their health care professional, according to a new survey from the American Academy of Sleep Medicine. The health care conversation ...
Mar 30, 2026
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Subtle brainwave patterns detected during sleep EEG can help predict dementia risk
Our date of birth doesn't always match the age of our brain. How old our brain really is depends on our biological age, shaped by the wear and tear our cells experience over time. Genetics, environmental factors, and lifestyle ...
Do you love sleeping with your pet? Science reveals there's a tricky trade‑off
For some pet guardians, their pets are present in their lives from the moment they wake up to the moment they go to bed. This happens because cats, dogs and other companion animals are increasingly perceived as family members. ...
Mar 28, 2026
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Study finds wearable data may help predict patient engagement in remote COPD rehabilitation
Sleep data captured with a wearable device could help clinicians better tailor care by identifying patients with chronic obstructive pulmonary disease (COPD) who may need additional support to participate in pulmonary rehabilitation, ...
Mar 27, 2026
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Teens who sleep past 8 a.m. eat more and move less, study suggests
When people think about ways to improve cardiovascular health, diet and exercise are often at the top of the list. But long-term health, especially in adolescents, might start with something more fundamental: sleep. A new ...
Mar 26, 2026
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Vivid dreaming makes sleep feel deeper, researchers discover
Researchers led by Guilio Bernardi at the IMT School for Advanced Studies Lucca in Italy have discovered a key relationship between dreaming and the feeling of having had a good night's sleep. Published in PLOS Biology, the ...
Mar 24, 2026
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It may be too soon to scrap Daylight Saving Time, suggests research
Ahead of the beginning of Daylight Saving Time (DST) on 29 March, a comprehensive international review by researchers at the University of Kent has highlighted the complex arguments for and against scrapping the twice-yearly ...
Mar 24, 2026
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Caffeine helps restore memory function after sleep loss, study shows
Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have demonstrated that caffeine can restore social memory impaired by sleep deprivation by targeting a defined brain pathway. ...
Mar 24, 2026
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Is lighter sleep a normal part of aging, or a sign of something more serious?
As you get older, it's normal to notice changes in your sleep. These can include fewer hours of shuteye, waking up more during the night, and finding it harder to drop off. However, despite the general view that older people ...
Mar 24, 2026
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Children's extended social media use linked to increased depression and anxiety
Children who use social media for more than three hours per day are more likely to develop greater levels of depression and anxiety compared to those who use it more moderately. The findings are the latest analysis to come ...
Mar 23, 2026
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