Sleep Disorders News

March 27, 2025

Top Headlines

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. ...

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 by protein kinase A (PKA) signaling in the ...

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 the ...

Latest Headlines

updated 10:57pm EDT

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 ...

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 ...

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 ...

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, ...

Delayed REM Sleep Could Be an Early Sign of Alzheimer's

Jan. 27, 2025 — Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer's ...

A Way for Smartwatches to Detect Depression Risks

Jan. 22, 2025 — A international research team developed a digital biomarker for predicting symptoms of depression based on data collected by ...

Waking Up Is Not Stressful, Study Finds

Jan. 14, 2025 — Waking up does not activate an increase in the release of the stress hormone cortisol. Cortisol does, however, increase in the hours prior to wakening as part of the body's preparation for the ...

Automated Method to Detect Common Sleep Disorder Affecting Millions

Jan. 9, 2025 — AI-powered algorithm can analyze video recordings of clinical sleep tests and more accurately diagnose REM sleep behavior ...

How Deep Sleep Clears a Mouse's Mind, Literally

Jan. 8, 2025 — A good night's sleep does more than just help you feel rested--it might literally clear your mind. A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, ...

Your Work Habits May Be Threatening Your Sleep

Jan. 7, 2025 — A new study examined data from more than 1,000 workers over a 10-year period. Sedentary workers experience a 37% increase in insomnia-like symptoms. Employees working nontraditional schedules ...

Non-Opioid Pain Relievers Beat Opioids After Dental Surgery

Jan. 6, 2025 — Researchers find an over-the-counter combo is more effective for wisdom tooth extraction ...

Study Reveals That Sleep Prevents Unwanted Memories from Intruding

Jan. 2, 2025 — The link between poor sleep and mental health problems could be related to deficits in brain regions that keep unwanted thoughts out of ...

Pupil Size in Sleep Reveals How Memories Are Sorted, Preserved

Jan. 1, 2025 — Researchers have found the pupil is key to understanding how, and when, the brain forms strong, long-lasting ...

Sleep Apnea Linked to Changes in the Brain

Dec. 18, 2024 — People with breathing problems during sleep may have a larger hippocampus, the area of the brain responsible for memory and thinking, according to a new study. The study, which included mostly Latino ...

Breathing Coordinates Brain Rhythms for Memory Consolidation During Sleep

Dec. 16, 2024 — Just as a conductor coordinates different instruments in an orchestra to produce a symphony, breathing coordinates hippocampal brain waves to strengthen memory while we sleep, reports a new study. ...

Why Deep Sleep Is Helpful for Memory

Dec. 12, 2024 — It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is was previously unknown. Now, a team of ...

Short-Term Cognitive Boost from Exercise May Last for 24 Hours

Dec. 9, 2024 — The short-term boost our brains get after we do exercise persists throughout the following day, suggests a new ...

A Blueprint for the Brain's Circadian Clock

Dec. 5, 2024 — Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team has created a detailed map of the internal clock in the brain of ...

Unlocking the Science of Sleep: How Rest Enhances Language Learning

Dec. 5, 2024 — Sleep is critical for all sorts of reasons, but a team of international scientists has discovered a new incentive for getting eight hours of sleep every night: it helps the brain to store and learn a ...

College Students' Insomnia Linked More Strongly With Loneliness Than Screen Time

Dec. 4, 2024 — Being lonely is a bigger hurdle to a good night's sleep for college students than too much time at a computer or other electronic screen, a new study ...

Phosphorylation and Dephosphorylation Enzyme Groups Regulate Sleep and Wakefulness in Mammals

Dec. 3, 2024 — A research group has discovered that in mammals, a protein kinase A (PKA) promotes wakefulness, while protein phosphatase 1 (PP1) and calcineurin promote sleep. This study revealed that the balance ...

The Link Between Sleep and Blood Pressure: New Research Sheds Light on Gender Differences

Nov. 26, 2024 — You may have heard sleep described as something of a magic pill for the body. With the right amount, timing, and quality, it can work wonders -- strengthen the immune system, improve blood sugar, ...

New Insights Into Sleep Uncover Key Mechanisms Related to Cognitive Function

Nov. 22, 2024 — While it's well known that sleep enhances cognitive performance, the underlying neural mechanisms, particularly those related to nonrapid eye movement (NREM) sleep, remain largely unexplored. A ...