Insomnia Research News

June 26, 2025

Top Headlines

Daytime Boosts Immunity, Scientists Find

May 26, 2025 — Daylight can boost the immune system's ability to fight ...

Newfound Mechanism Rewires Cellular Energy Processing for Drastic Weight Loss

May 22, 2025 — Mice genetically engineered to lack the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in a ...

A New Technology for Extending the Shelf Life of Produce

May 21, 2025 — Researchers developed a way to extend the shelf life of vegetables by injecting them with melatonin using biodegradable ...

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

May 21, 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 minutes on average ...

Survival Trick: Pathogen Taps Iron Source in Immune Cells

May 19, 2025 — The body defends itself against pathogens by depriving them of vital iron. However, this strategy doesn't always succeed against Salmonella. Researchers have discovered that these bacteria specifically target iron-rich regions within immune cells to ...

Scientists Discover New Way the Brain Learns

May 14, 2025 — Neuroscientists have discovered that the brain uses a dual system for learning through trial and error. This is the first time a second learning system has been identified, which could help explain how habits are formed and provide a scientific ...

Lack of Sleep Can Increase the Risk of Cardiovascular Disease

May 9, 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 ...

Biological 'Clocks' Key to Muscle Health and Accelerated Aging in Shift Workers

May 5, 2025 — Muscle cells contain their own circadian clocks and disrupting them with shift work can have a profound impact on aging, according to new ...

Link Between Heart Attack Severity and Circadian Rhythm Unveiled

Apr. 23, 2025 — The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered, potentially paving the way for innovative treatments that align with the natural circadian ...

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 of adolescents in the US also showed that even ...

Early-Life Exposure to Air and Light Pollution Linked to Increased Risk of Pediatric Thyroid Cancer

Apr. 19, 2025 — A new study suggests that early-life exposure to two widespread environmental pollutants -- small particle air pollution and outdoor artificial light at night -- could increase the risk of pediatric ...

Insomnia and Sleep Medication Use Connected to Disability in Older Adults

Apr. 19, 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 ...

Latest Headlines

updated 12:43pm EDT

Sleep-in Science: How 2 Extra Weekend Hours Can Calm Teen Anxiety

June 13, 2025 — Teens might finally have a good reason to sleep in on weekends within limits. A new study reveals that teenagers who get up to two extra hours of sleep on weekends show fewer anxiety symptoms than ...

Timing, Consistency of Activity Linked to Better Fitness

May 28, 2025 — The timing and consistency of your daily activity might be associated with improved cardiorespiratory fitness and walking ...

How Disturbed Signaling Pathways Could Promote Epileptic Seizures

Apr. 16, 2025 — Focal cortical dysplasia (FCD) type 2 is a congenital malformation of the cerebral cortex that is often associated with difficult-to-treat epilepsy. In the affected areas, nerve cells and their layer ...

How Circadian Clocks Maintain Robustness in Changing Environments

Apr. 15, 2025 — New research has uncovered how a simple circadian clock network demonstrates advanced noise-filtering capabilities, enhancing our understanding of how biological circuits maintain accuracy in dynamic ...

Brain Pathway Links Inflammation to Loss of Motivation, Energy in Advanced Cancer

Apr. 14, 2025 — Researchers identified a direct connection between cancer-related inflammation and the loss of motivation characteristic of advanced cancer. In a ...

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 ...

What Links Cannabis Use and Psychosis? Researchers Point to Brain's Dopamine System

Apr. 11, 2025 — A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with ...

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

Apr. 9, 2025 — Patients prescribed medicinal cannabis in Australia maintained improvements in overall health-related quality of life (HRQL), fatigue, and sleep ...

Eating Only During the Daytime Could Protect People from Heart Risks of Shift Work

Apr. 9, 2025 — Numerous studies have shown that working the night shift is associated with serious health risks, including to the heart. However, a new study ...

Starch-Based Microplastics Could Cause Health Risks in Mice

Apr. 9, 2025 — Wear and tear on plastic products releases small to nearly invisible plastic particles, which could impact people's health when consumed or inhaled. To make these particles biodegradable, ...

Exercise as an Anti-Aging Intervention to Avoid Detrimental Impact of Mental Fatigue

Apr. 3, 2025 — Retired adults who habitually exercised outperformed sedentary adults in physical and cognitive ...

PET Imaging Confirms Direct Involvement of Dopamine in Cognitive Flexibility

Mar. 28, 2025 — Scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility. PET imaging shows that the brain increases dopamine production when completing cognitively demanding ...

Scientists Discover Why Obesity Takes Away the Pleasure of Eating

Mar. 26, 2025 — Many obese people report losing pleasure in eating rich foods -- something also seen in obese mice. Scientists have now discovered the reason. Long-term high-fat diets lower levels of neurotensin in ...

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. ...

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 ...

Dopamine's Unexpected Role in Memory Devaluation

Mar. 12, 2025 — New research expands on current understanding of the brain chemical dopamine, finding that it plays a role in reducing the value of memories associated with rewards. The study opens new avenues for ...

Routine Asthma Test More Reliable in the Morning and Has Seasonal Effects, Say Doctors

Mar. 12, 2025 — A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients, available ...

Clinical Trial Tests Novel Stem-Cell Treatment for Parkinson's Disease

Mar. 9, 2025 — A recently launched Phase 1 clinical trial is examining the safety and feasibility of a groundbreaking treatment approach for Parkinson's disease in which a patient's stem cells are ...

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 ...

Role of Hormone in Influencing Brain Reward Pathway and Food Preferences

Feb. 25, 2025 — When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists recently ...

Hormones May Have Therapeutic Potential to Prevent Wrinkles, Hair Graying

Feb. 25, 2025 — Hormones may be leveraged to treat and prevent signs of aging such as wrinkles and hair graying, according to a new ...

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 ...

'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 ...

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. ...

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 ...