Sleep Disorders News

June 3, 2025

Top Headlines

How Does Coffee Affect a Sleeping Brain?

May 29, 2025 — Coffee can help you stay awake. But what does caffeine actually do to your brain once you're asleep? Using AI, a team of researchers has an answer: it affects the brain's ...

Scientists Test Real-Time View of Brain's Waste Removal

May 28, 2025 — A new device that monitors the waste-removal system of the brain may help to prevent Alzheimer s and other neurological diseases, according to a new study. In the study, participants were asleep when they wore the device: a head cap embedded with ...

Humans Are Seasonal Creatures, According to Our Circadian Rhythms

May 28, 2025 — It's tempting to think that, with our fancy electric lights and indoor bedrooms, humanity has evolved beyond the natural influence of sunlight when it comes to our sleep routines. But new research shows that our circadian rhythms are still wild at ...

Study Quantifies the Sleep Loss and Disruption Experienced by New Mothers

May 27, 2025 — A new study quantifies the amount of sleep loss experienced by first-time mothers in the weeks after giving birth and is the first to identify the unique type of sleep disruption that persists throughout the first months of ...

Latest Headlines

updated 10:45pm EDT

Don't Hit Snooze on New Research About Waking Up Each Morning

May 19, 2025 — Sleep experts recommend against snoozing after a wake-up alarm, but a study shows the practice is common, with more than 50% of sleep sessions logged ending in a snooze alarm and users spending 11 ...

Too Much Sleep Can Hurt Cognitive Performance, Especially for Those With Depression

May 14, 2025 — Sleeping nine hours or more per night is associated with worse cognitive performance, and it is even more the case for those with ...

Lack of Sleep Can Increase the Risk of Cardiovascular Disease

May 8, 2025 — Even a few nights with insufficient sleep promote molecular mechanisms linked to a greater risk of heart problems. This has been shown in a new study in which the researchers investigated how sleep ...

Sleep Apnea During REM Sleep Linked to Memory-Related Brain Changes

May 7, 2025 — Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

What's a Healthy Amount of Sleep? It Differs from One Country to Another

May 6, 2025 — Your optimal amount of sleep may depend on where you live, new research has found. An analysis of sleep data and health outcomes for nearly 5,000 people in 20 countries revealed that the hours of ...

Move More, Think Sharper

Apr. 28, 2025 — A brisk walk, a splash of water aerobics, or even a light jog around the block -- if your heart rate goes up then so too will your brain health according to new ...

Adolescents Who Sleep Longer Perform Better at Cognitive Tasks

Apr. 22, 2025 — Adolescents who sleep for longer -- and from an earlier bedtime -- than their peers tend to have improved brain function and perform better at cognitive tests, researchers have shown. But the study ...

Insomnia and Sleep Medication Use Connected to Disability in Older Adults

Apr. 18, 2025 — For adults over the age of 65, higher levels of both insomnia symptoms and sleep medication use were associated with higher risk of disability a year later, according to a new ...

Rise and Shine: Natural Light Lessens Morning Fatigue

Apr. 14, 2025 — Researchers tested whether introducing light into the bedroom before waking would improve morning wakefulness and found an amount of time that seems to help fight off fatigue and raise alertness ...

Sleep Matters: Duration, Timing, Quality and More May Affect Cardiovascular Disease Risk

Apr. 14, 2025 — Healthy sleep includes multiple components, such as number of hours of sleep per night, how long it takes to fall asleep, daytime functioning and ...

Stress, Depression Factor Into Link Between Insomnia, Heavy Drinking

Apr. 14, 2025 — A new study suggests that perceived stress and depression factor into the relationship between insomnia and hazardous drinking -- perhaps not a surprise. But because the relationship between insomnia ...

Beyond Jet Lag: New Study Unveils Extent of Travel-Related Sleep Disruption from 1.5 Million Nights of Data

Apr. 9, 2025 — A collaborative study found that while sleep duration recovers quickly, sleep timing and sleep architecture can take significantly longer to realign when traveling across time ...

Medicinal Cannabis Is Linked to Long-Term Benefits in Health-Related Quality of Life, Study Finds

Apr. 2, 2025 — Patients prescribed medicinal cannabis in Australia maintained improvements in overall health-related quality of life (HRQL), fatigue, and sleep disturbance across a one-year period, according to a ...

Study Links Teen Girls' Screen Time to Sleep Disruptions and Depression

Apr. 2, 2025 — Excessive screen time among adolescents negatively impacts multiple aspects of sleep, which in turn increases the risk of depressive symptoms -- particularly among girls, concludes a new ...

New Study Links Lower Proportions of Certain Sleep Stages to Brain Changes Associated With Alzheimer's Disease

Mar. 31, 2025 — New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over ...

Insomniac Fruit Fly Mutants Show Enhanced Memory Despite Severe Sleep Loss

Mar. 20, 2025 — Fruit fly mutants that have severe sleep deficits perform better at olfactory learning and memory tasks, according to a new study. The paradox of enhanced memory despite sleep loss could be explained ...

Sleepier During the Day? For Some Older People, It's Linked to Twice the Dementia Risk

Mar. 19, 2025 — For women in their 80s, experiencing increasing sleepiness during the day over a five-year period is associated with double the risk of developing dementia during that time, according to a new study. ...

Why Are Night Owls at Greater Risk of Depression?

Mar. 19, 2025 — Mindfulness, total sleep quality, and alcohol consumption may help explain why people who stay up late have a greater risk of depression, according to a new ...

New AI Model Analyzes Full Night of Sleep With High Accuracy in Largest Study of Its Kind

Mar. 17, 2025 — Researchers have developed a powerful AI tool, built on the same transformer architecture used by large language models like ChatGPT, to process an entire night's sleep. To date, it is one of ...

Blood Test Shows Promise for Early Detection of Dementia

Mar. 11, 2025 — For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates. Idiopathic REM sleep behavior ...

GIFs Helping Footballers to Sleep Better

Mar. 7, 2025 — A recent study has found that short animations known as GIFs (Graphic Interchange Format) can improve the sleep of professional female ...

The Pupil as a Window Into the Sleeping Brain

Mar. 5, 2025 — For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

Sleep Patterns May Reveal Comatose Patients With Hidden Consciousness

Mar. 3, 2025 — Overnight bursts of brain waves seen in normal sleep can help doctors predict which unresponsive patients hospitalized with acute severe brain injuries will awaken and eventually ...

Morning Blue Light Therapy Improves Sleep and Daily Activity in Older Adults

Feb. 25, 2025 — Blue-enriched light can improve sleep quality and daily activity in older adults living at home, according to new research. Researchers found that this type of light therapy led to greater daytime ...

Impacts of Workplace Bullying on Sleep Can Be 'Contagious' Between Partners

Feb. 21, 2025 — Workplace bullying affects not only the employee's sleep but their partner's too, according to new research published ...

Biological Clock Plays Critical Role in Driving Teens' Late-Day Eating Habits

Feb. 17, 2025 — The causes of obesity are complex and influenced by many factors. While research has highlighted connections between sleep, eating patterns and weight gain, scientists remain uncertain of the role of ...

Research in Fruit Flies Pinpoints Brain Pathways Involved in Alcohol-Induced Insomnia

Feb. 6, 2025 — Research in fruit flies has identified specific groups of cholinergic brain cells that are involved in alcohol-induced insomnia. This work could ultimately lead to targeted treatments for ...

Positive Emotions Plus Deep Sleep Equals Longer-Lasting Perceptual Memories

Feb. 3, 2025 — Researchers have uncovered how perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep. The study could help scientists understand the neurological ...

'Sleep Hygiene': How FIFO Workers Can Get a Better Night's Sleep

Jan. 29, 2025 — Better sleep hygiene could see fly-in, fly-out (FIFO) mining shift workers get a better night's sleep, new research has ...

Young Adults More Active After Starting Work, but Sleep Less -- Unless Working from Home

Jan. 27, 2025 — When young adults start working, the amount of daily physical activity they do increases sharply, only to fall away again over the new few years, while the amount of sleep they get falls slightly, ...