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.
Sleep medicine news
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 ...
Over 20% of young adults use cannabis or alcohol to help them sleep, study finds
Researchers at the Institute for Social Research, University of Michigan, report that more than one in five young adults in the US use cannabis or alcohol to help them fall asleep. Nearly half of those who use cannabis said ...
Circadian disruption by night light linked to multiple cardiovascular outcomes
Flinders Health and Medical Research Institute researchers, along with colleagues in the UK and U.S., have linked brighter night-time light exposure to elevated risks of five major cardiovascular diseases.
Severe narcolepsy found to damage a second brain region
For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature Communications, UCLA Health ...
Apr 30, 2026
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Melatonin appears to promote sleep by reducing visual sensitivity, zebrafish study suggests
Melatonin is a naturally produced molecule that has long been suspected to play a role in healthy sleep, but it has been unclear how it does so. Now, Caltech researchers have discovered a mechanism through which melatonin ...
Apr 20, 2026
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Daytime napping patterns may reveal hidden health decline in older adults
New research reveals that as people age, naps may be an easily trackable warning sign of underlying conditions or declining health. A new study by investigators from Mass General Brigham and Rush University Medical Center ...
Apr 20, 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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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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