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 Much Sleep do People Need?

Stimulants and Sleep

Delayed Sleep Phase Disorder (DSPD) Management

How Long should my Child Sleep for?

What is the Circadian Rhythm?

What is Sleep?

What is Delayed Sleep Phase Disorder (DSPD)?

Health Effects of Poor Sleep - Quantity and Quality

Why Do We Sleep?

Sleep Deprivation - Inadequate Quantity of Sleep

Effects of Sleep Deprivation

See more featured articles »

Brain Activity During Sleep

Tips on Getting to Sleep

How Can Sleep Affect Men's Health?

Causes of Nocturnal Awakenings

How Does Pain Affect Your Sleep?

The Health Risks of Oversleeping

Hypnotics and Sleep

How Does Sleep Affect Your Immunity?

Function of Sleep

Causes of Sleep Deprivation

Could Humans Ever Hibernate?

Sleep and Hormones

Regulation of Sleep

Role of Sleep in Memory Consolidation

Nutritional Effects on Sleep

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

How to Catch up on Lost Sleep

How Long Should My Teenager Sleep For?

Shift Work Sleep Disorder

Why Do We Dream?

Circadian Rhythm Sleep Disorders

REM Sleep Activity

Neuroscience of Sleep

Effect of Sleep on Your Emotions

What is Sleep Regression?

The DEC2 Gene and Sleep

Promoting Sounder Sleep in Older Adults

The Importance of Having a Good Night’s Sleep

Difference Between Nightmares and Night Terrors

A Guide to Managing Sleep Disorders

Sleep Hygiene

Importance of Sleep

Types of Sleep Disorders

Ghrelin and Sleep

History of Sleep

A Guide to Healthy Sleep Positions

Does Your Alarm Sound Affect Your Mood?

Sleep and Yoga

What Does Polysomnography Involve?

Management of Sleep Deprivation

Spoon Test for Sleep Deprivation

Can too much sleep be dangerous?

How Can Mindfulness Meditation Improve Sleep?

Is Daytime Napping in Adults Good or Bad?

What is the Role of Melatonin in Sleep Regulation?

Stages of Sleep

Latest Sleep News and Research

Good sleep protects brain health in people with cardiometabolic disease

People with type 2 diabetes, heart disease or stroke who sleep well have better cognitive function and greater brain volume than people with the same conditions who sleep poorly, according to a new study from Karolinska Institutet.

4 Nov 2026

Flint newborn deaths fall 50% after launch of cash support program

A new peer-reviewed study published in JAMA Pediatrics has found that neonatal mortality-the death of an infant within the first 28 days of life- fell by 50% following the launch of Rx Kids, while early neonatal mortality-the death of an infant within the first 7 days of life-fell by 74%.

3 Nov 2026

Autism diagnosis patterns change as psychiatric profiles shift across Europe

The medical profiles of adults diagnosed with autism have changed hugely since 2010, finds a study of medical records in the UK and Sweden, published in the online journal BMJ Mental Health.

3 Nov 2026

ACLM and eClinicalWorks announce the release of new lifestyle medicine tools

The American College of Lifestyle Medicine (ACLM) and eClinicalWorks today announced that new lifestyle medicine tools will be available within the eClinicalWorks electronic health record (EHR) 12.0.4, helping clinicians more seamlessly incorporate evidence-based lifestyle interventions into routine patient care.

3 Nov 2026

Tree shade protects unsheltered homeless people from dangerous urban heat

People experiencing unsheltered homelessness in Salt Lake City face hours of dangerous daytime heat and hot nights that offer little relief, according to a University of Utah study.

3 Nov 2026

Study highlights overlooked pain from diabetes-related foot ulcers

Diabetes-related foot ulcers are often associated with numbness in the feet. According to patients, the fact that these ulcers can also cause severe and unpredictable pain does not receive sufficient attention within the healthcare system, according to a doctoral thesis from the University of Gothenburg.

3 Nov 2026

New exercise program helps people stay strong through cancer

When you’re going through cancer treatment or recovering afterwards, rest might seem like the best medicine.

3 Nov 2026

Can pregnancy leave a lasting mark on biological aging?

A review examines how pregnancy spacing affects maternal aging, proposing that insufficient recovery may lead to cumulative biological aging and health risks.

3 Nov 2026

Study identifies molecular links between menopause and brain aging

Researchers at UC Santa Barbara, UC San Francisco and international collaborators are uncovering the cascade of molecular events that happen when women undergo menopause, a time of life marked by endocrine changes and symptoms like hot flashes, brain fog and sleep disturbances.

2 Nov 2026

Affordable exercise program helps people with cancer rebuild strength

When you're going through cancer treatment or recovering afterwards, rest might seem like the best medicine. But research shows that exercise can also play an important role in managing cancer recovery.

2 Nov 2026

Wearable devices and AI provide early warning signs of hypertensive crises

Using artificial intelligence (AI) to analyze patterns in measures from a portable cuff-based blood pressure monitor and health data from a wrist-worn device may help identify when adults with stage 2 high blood pressure (blood pressure ≥140/90 mm Hg) are at increased risk of a dangerously high blood pressure episode (>180/120 mm Hg with acute end-organ damage), known as a hypertensive crisis, up to three days before it occurs, according to new, independent, preliminary research to be presented at the American Heart Association's Scientific Sessions 2026.

2 Nov 2026

More screen time, less sleep: What researchers observed in children with obesity

A cross-sectional study of 70 children in Spain found that those with obesity reported more daily recreational screen time, shorter sleep duration, and more frequent chronic sleep disturbances than their normal-weight peers. Higher screen-time scores were significantly associated with greater odds of obesity, while the association with sleep disturbances did not reach statistical significance.

2 Nov 2026

Sleep health expert explains how falling back affects the body clock

When clocks fall back this weekend, we'll gain an hour - but does that necessarily mean better sleep? Hannah Peach, a sleep health expert at UNC Charlotte, explains how the change from daylight saving time back to standard time affects our internal body clocks, why the fall transition is easier on our bodies than the spring change and how shorter days can affect our well-being.

2 Nov 2026

New study of 3000 adults connects symbolic immortality to stronger psychological well being

What does it mean to feel that a part of us will live on after we are gone? A new study of nearly 3,000 adults found that people who believed they would be remembered by others tended to report better mental health, a stronger sense of meaning and lower levels of problematic substance use and addictive behaviors. The findings point to a possible link between our sense of lasting significance and the way we cope with stress, uncertainty and mortality.

2 Nov 2026

Menopause reshapes women's careers, from brain fog to changing priorities

In a qualitative analysis of 130 Reddit posts, researchers examined how perimenopause and menopause affected women's career sustainability, finding that brain fog, fatigue, mood changes, and anxiety were associated with reduced confidence, workplace performance concerns, and threats to professional identity. The accounts revealed interconnected challenges involving health, happiness, and productivity, alongside experiences of supportive managers, online peer support, reduced working hours, and career reassessment that helped some women adapt to the transition.

1 Nov 2026

Why you still want dessert even when you're completely full

A 2026 narrative review examines how food liking (pleasure) and wanting (motivation) interact with hunger and satiety to influence food choices, explaining why certain foods may remain appealing even after a satisfying meal. The authors report that food reward can change independently of hunger under specific conditions, but evidence remains limited that these changes reliably predict subsequent eating or improve weight-management outcomes.

1 Nov 2026

Excessive exercise disrupts dopamine regulation in the brain, study finds

Excessive physical exercise affects more than just the muscles; it can also alter brain chemistry. A new study published in the journal Neuroscience revealed that exhaustive training without adequate rest alters the regulation of dopamine in the hippocampus, a brain region closely linked to memory and the regulation of emotions.

30 Oct 2026

Mayo Clinic enters new medical era with precure research

Mayo Clinic researchers are uncovering the earliest shifts in disease biology - long before symptoms appear - revealing how disease takes root and opening new possibilities to identify, predict and potentially prevent disease before symptoms develop.

30 Oct 2026

Permanent daylight saving time means darker morning school commutes

The U.S. House of Representatives passed a bill this past summer that would make Daylight Saving Time (DST) permanent in the United States - meaning there would be no turning back the clocks each fall.

30 Oct 2026

Holistic family surroundings are essential for raising healthy children

A child's health is shaped by more than inherited genes or the food on the table. Family routines, relationships, cultural practices, and everyday conditions—from early school schedules to long commutes—also influence how children grow and thrive, according to an Ateneo de Manila University medical professor and clinician.

30 Oct 2026