Sleep

Sleep is a physiological behavior that is common in all animal species. It forms around one third of a human life. It is not known clearly the exact functions of sleep but it seems to be essential for survival as prolonged sleep deprivation leads to severe physical impairment followed by cognitive loss and eventually death.

How Morning Routines Influence Cognitive Performance, Mood, and Circadian Rhythm

How simple, evidence-based morning habits recalibrate the circadian system to sharpen cognition, stabilize mood, and support long-term mental health.

How to Catch up on Lost Sleep

Management of Sleep Deprivation

Difference Between Nightmares and Night Terrors

What Does Polysomnography Involve?

Sleep Deprivation - Inadequate Quantity of Sleep

REM Sleep Activity

Regulation of Sleep

Function of Sleep

Neuroscience of Sleep

Tips on Getting to Sleep

How Can Sleep Affect Men's Health?

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Shift Work Sleep Disorder

Health Effects of Poor Sleep - Quantity and Quality

Sleep and Yoga

What is Sleep?

How Can Mindfulness Meditation Improve Sleep?

How Much Sleep do People Need?

Sleep Hygiene

What is the Role of Melatonin in Sleep Regulation?

Why Do We Sleep?

Why Do We Dream?

What is the Circadian Rhythm?

Nutritional Effects on Sleep

How Does Sleep Affect Your Immunity?

Could Humans Ever Hibernate?

How Long Should My Teenager Sleep For?

The DEC2 Gene and Sleep

Effect of Sleep on Your Emotions

Promoting Sounder Sleep in Older Adults

Can too much sleep be dangerous?

A Guide to Managing Sleep Disorders

Circadian Rhythm Sleep Disorders

Causes of Nocturnal Awakenings

History of Sleep

Is Daytime Napping in Adults Good or Bad?

Does Your Alarm Sound Affect Your Mood?

Delayed Sleep Phase Disorder (DSPD) Management

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

The Importance of Having a Good Night’s Sleep

How Does Pain Affect Your Sleep?

What is Sleep Regression?

What is Delayed Sleep Phase Disorder (DSPD)?

Stimulants and Sleep

Hypnotics and Sleep

Types of Sleep Disorders

Sleep and Hormones

Stages of Sleep

How Long should my Child Sleep for?

Spoon Test for Sleep Deprivation

Importance of Sleep

Causes of Sleep Deprivation

Brain Activity During Sleep

A Guide to Healthy Sleep Positions

Role of Sleep in Memory Consolidation

Effects of Sleep Deprivation

Ghrelin and Sleep

The Health Risks of Oversleeping

Latest Sleep News and Research

A pain in the neck? New Adelaide University trial offers hope

Whether you hunch over a computer or spend hours scrolling on your phone, everyday habits can be a real pain in the neck. But when that pain persists, it can take a serious toll on everyday life, affecting everything from work and sleep to physical activity and wellbeing.

12 Nov 2026

Adelaide researchers investigate optimal exercise and education for neck pain

12 Nov 2026

Environmental experiences trigger widespread changes in brain cell connections

Experiences and changes in environment cause widespread alterations in connections between brain cells, influencing brain activity, research suggests.

11 Nov 2026

New statement highlights urgent need to improve veterans' heart health

Fewer than 5% of U.S. military veterans may achieve optimal cardiovascular health based on the American Heart Association's Life's Essential 8™ metrics, highlighting an urgent opportunity to improve prevention and help veterans live longer, healthier lives, according to a new scientific statement published today in the Association's flagship journal, Circulation.

11 Nov 2026

Can psychedelics help treat cancer beyond easing end-of-life fear?

A new peer-reviewed review in Psychedelics opens on a strange fact, gathered from existing laboratory studies rather than new experiments: a brain tumor can learn to eavesdrop.

11 Nov 2026

Precision nutrition shifts the focus from calorie cuts to quality

"Eat less, live longer" has a firm footing in the laboratory: dietary restriction extends lifespan across species, from yeast to mammals.

11 Nov 2026

Omega-3 supplements show surprising effects on blood pressure

Findings suggest omega-3 supplements improve blood pressure and inflammatory biomarkers in hypertensive patients, indicating potential therapeutic benefits.

11 Nov 2026

Clinical trial evaluates fully implantable cochlear implant technology

University Hospitals is bringing the next generation of hearing technology to patients in Northeast Ohio as the only site in the state participating in a Phase 3 clinical trial evaluating the Totally Implantable Cochlear Implant (TICI).

10 Nov 2026

Scientists scanned people's brains before and after 45 days of yoga. Here's what changed

In a randomized controlled trial involving 139 healthy adults, 45 days of a standardized yoga program improved mood, self-reported sleep quality, and selected short-term memory measures compared with a waitlist control group. Brain scans from 43 participants also revealed changes in functional connectivity across networks involved in movement, attention, language, and cognitive processing, although the long-term significance remains uncertain

10 Nov 2026

Eating too much ultra-processed food? A study links it to worse PMS symptoms

A cross-sectional study of 607 young adult women in Turkey found that higher ultra-processed food consumption scores were associated with more severe premenstrual syndrome (PMS) symptoms, while non-judgmental and non-reactive mindful eating behaviors were linked to lower symptom severity. Mediterranean diet adherence was not independently associated with PMS severity, and the researchers cautioned that the findings cannot establish cause and effect.

10 Nov 2026

Could eating more mushrooms help protect your brain as you age?

A review of existing research suggests that ergothioneine, a natural antioxidant found primarily in mushrooms, may protect brain cells against oxidative stress, inflammation, and damage associated with Alzheimer's and Parkinson's diseases. Although laboratory and animal studies show promising neuroprotective effects, human evidence remains limited, and larger clinical trials are needed to determine whether supplementation can prevent or slow neurodegeneration.

10 Nov 2026

Subtle changes in deep sleep before Alzheimer's symptoms appear

The study identifies slow-wave sleep alterations as potential biomarkers for Alzheimer's, emphasizing their role in cognitive health and disease progression.

10 Nov 2026

Drinking 2–3 cups of coffee a day? A study of 495,000 adults links it to lower AF risk

In a prospective study of 495,269 UK Biobank participants followed for approximately 13 years, researchers found that coffee consumption was associated with a 7% to 11% lower risk of atrial fibrillation (AF), with the strongest association observed at 2–3 cups daily. Tea consumption showed a more modest and less consistent association, with the authors reporting a 5% lower AF risk at 2–3 cups daily, although the observational findings cannot establish causation.

9 Nov 2026

Late night eating and sleep habits damage gut health, increase metabolic disease risk

A new study led by UTHealth Houston identified a link between late-night eating and sleeping habits, gut health, and metabolic disease, offering new insights into why some individuals with obesity may face risk of inflammation and related health problems.

9 Nov 2026

Minor sleep loss increases risk of phishing scam traps

Nearly a third of adults in the U.S. do not get enough sleep. A recent surge in attention to this issue raises serious concerns about its long-term health implications, and new research suggests that it can lead to hazardous outcomes, especially in the context of "phishing" emails.

9 Nov 2026

Cleaner bedroom air linked to improved blood sugar control

Using portable filters to reduce exposure to air pollution during sleep may stabilize the large spikes in blood sugar experienced by people with prediabetes, a condition in which sugar (glucose) levels are higher than normal, a new study shows.

8 Nov 2026

Early diagnosis and treatment help teenager overcome rare epilepsy

Christopher Sepúlveda was just 2 years old when his parents noticed something was wrong. Christopher began experiencing involuntary movements of his mouth and eyes, and episodes when he would freeze and not move for nearly two minutes- something their pediatrician at the time said could be a tic disorder.

6 Nov 2026