Insomnia News

May 20, 2025

Top Headlines

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 deprivation affects biomarkers (in this case ...

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, according to a new study. The study found the ...

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 sleep required for good health varies significantly ...

Latest Headlines

updated 4:15pm EDT

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

When You Get Hurt Matters: Circadian Rhythms Affect Muscle Repair

Mar. 5, 2025 — The body's internal clock doesn't just dictate when we sleep -- it also determines how quickly our muscles heal. A new study in mice suggests that muscle injuries heal faster when they ...

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 ...

Exercise and Healthy Eating Behavior Together Provide the Best Protection Against Cardiovascular Diseases

Mar. 5, 2025 — Researchers have found that women who exhibit disturbed eating behaviors and engage in low physical activity tend to have more central body fat and a higher risk of metabolic low-grade inflammation. ...

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, ...

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 ...

What Drives Mood Swings in Bipolar Disorder? Study Points to a Second Brain Clock

Jan. 27, 2025 — A brain rhythm working in tandem with the body's natural sleep-wake cycle may explain why bipolar patients alternate between mania and depression, according to new research. A new study marks a ...

Researchers Track Sharp Increase in Diagnoses for Sedative, Hypnotic and Anxiety Use Disorder in Young Adults

Jan. 23, 2025 — The prevalence of diagnosed disorders from recurrent use of sedative, hypnotic and anti-anxiety medications in adolescents and young adults has increased sharply since 2001, according to researchers. ...