Sleep News and Research

Latest Sleep News and Research

The neuroscience of motivation-driven memory retention

Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), and Duke University have proposed a neuroscience framework explaining how different types of motivation fundamentally reshape what and how the brain remembers.

21 Jan 2026

Tracing the decline in American heart disease mortality

Following a five-year upward trend likely impacted by the COVID pandemic, the number of heart disease and stroke deaths has declined, yet, heart disease and stroke still kill more people in the U.S. each year than any other cause, according to data reported in the 2026 Heart Disease and Stroke Statistics: A Report of U.S. and Global Data From the American Heart Association.

21 Jan 2026

Mouse study reveals social hierarchy influences sleep quality during isolation

Researchers tested what factors improve or worsen the quality of sleep in mice. A team including researchers from the University of Tokyo placed mice in two environments, one where they could see and sense other mice without physical contact, and one in complete isolation.

21 Jan 2026

Rhythmic carbon dioxide exposure may enhance brain waste clearance mechanisms

Abnormal clumps of proteins like α-synuclein, amyloid beta and tau are associated with neurodegenerative conditions like Parkinson's and Alzheimer's disease, but a waste removal mechanism called the glymphatic pathway can clear these proteins and other metabolic byproducts from the brain.

20 Jan 2026

Insulin anxiety and workplace barriers complicate gestational diabetes care

Insulin use in gestational diabetes presents challenges; education and support are key to overcoming fears and ensuring effective self-management for mothers.

20 Jan 2026

Teen girls who play organized sports show lower breast cancer risk biomarkers

This cross-sectional study of 191 adolescent girls found that ≥2 hours of organized recreational physical activity in the past week was associated with lower breast percent water content and reduced oxidative stress. These biomarkers are linked to breast cancer risk, although causality and long-term outcomes cannot be inferred.

19 Jan 2026

Students who game the most show lower diet quality and higher BMI, study finds

A national study of Australian undergraduates suggests that spending more than 10 hours a week gaming is associated with poorer diet quality, higher body weight, and disrupted sleep, highlighting the need for healthier gaming habits rather than less gaming altogether.

18 Jan 2026

Ashwagandha aids recovery without blunting training stress in athletes

Six weeks of Ashwagandha root extract supplementation in semi-professional team-sport athletes was associated with sex-specific effects during pre-season training. Females showed improved perceived recovery with stable cortisol, while males demonstrated gains in lower-body power with stable cortisone levels.

18 Jan 2026