How Astrocytes Regulate Memory Consolidation During Sleep

The findings demonstrate that mature astrocytes control thalamic neural activity through GABA signaling pathways, offering potential implications for epilepsy, Alzheimer’s disease and other disorders associated with memory problems. How Astrocytes Shape Memory Consolidation During Sleep Research has shown that a good night’s sleep has many benefits, including memory consolidation. Dr. Benjamin Deneen, corresponding author, professor … Read more

3 Workout Mistakes Ruining Your Sleep

Late-night workouts can disrupt sleep quality and delay rest, according to Dr. Shelby Harris, a licensed clinical psychologist and behavioral sleep medicine specialist at BetterSleep. While evening exercise is often seen as a way to burn off energy and unwind, certain habits can trigger physical alertness and interfere with deep sleep stages. Why Vigorous Evening … Read more

What is Quality Sleep? Why Your Smartwatch Isn’t the Answer

Wearable technology, such as smartwatches and rings, can track total sleep time with moderate accuracy, but experts warn these devices are not clinically reliable for measuring specific sleep stages. While consumer devices offer insights into sleep trends over months or years, they cannot replicate the diagnostic precision of clinical polysomnography, according to researchers at University … Read more

Sleep Matters More Than Screen Time or Diet for Teen Grades, Study Finds

Adolescent sleep quality plays a greater role in academic performance and social well-being than screen time, physical activity, or diet, according to a University of California, Davis study analyzing data from over 6,000 children. Researchers found that while conditions like anxiety and depression harm student success, healthy sleep routines offer a practical pathway to mitigate … Read more

AI Sleep Model Uncovers Hidden Health Risks of Apnea

Researchers have developed an artificial intelligence model that decodes neural, cardiac, and respiratory signals from routine sleep studies to identify high-risk patients that conventional apnea measurements miss, according to a study published in Nature Communications. Sleep disorders affect nearly one billion adults globally, making accurate long-risk stratification an urgent priority for healthcare systems. Limitations of … Read more

I Tested 4 Fitness Wearables At Once: Which Is Best?

Fitness wearable users evaluating health tracking accuracy often find that popular devices yield surprisingly inconsistent daily metrics, according to recent comparative testing by health and performance coach Dan Go. Across a simultaneous two-week trial of four fitness trackers—the Apple Watch, Whoop band, Oura Ring, and Fitbit Air—Go discovered significant disparities in step counts, sleep tracking, … Read more

Cerebral Venous Flow in Idiopathic Intracranial Hypertension: An Overview

Idiopathic intracranial hypertension (IIH) is a neurological disorder characterized by high pressure within the skull without a tumor or other identifiable cause. Affecting 1 to 20 people per 100,000—most often women of childbearing age—the condition causes narrowing of the venous sinuses and impaired brain fluid circulation. Recent research published in Nature Neuroscience by the Paris … Read more

Chronotype and Liver Health: No Significant Link Found

A recent cross-sectional study published in the journal Nutrients found no statistically significant link between an individual’s chronotype—their natural preference for morning or evening activity—and the presence of liver fat or fibrosis in adults with overweight or obesity. Researchers at the National Institute of Gastroenterology in Italy assessed 119 medication-naïve participants using the Morningness–Eveningness Questionnaire … Read more

Spring Clock Change Linked to Higher Risk of Retinal Vascular Disease

Northwestern Medicine researchers have identified a link between semiannual clock changes and the incidence of retinal vascular disease. According to a study published in Scientific Reports, the risk of developing these sight-threatening conditions increases by up to 30% in the month following the spring transition to daylight saving time, while the fall return to standard … Read more

How Neighborhoods Impact Women’s Long-Term Heart Health

Living in a socially vulnerable neighborhood significantly impacts a woman’s cardiovascular health, according to a 20-year study published in Circulation: Population Health and Outcomes. Researchers at the Harvard Pilgrim Health Care Institute found that women in these areas score 6 to 10 points lower on heart health metrics, with faster health declines observed as they … Read more