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.

Is Daytime Napping in Adults Good or Bad?

Sleep and Hormones

What is the Role of Melatonin in Sleep Regulation?

Why Do We Sleep?

Nutritional Effects on Sleep

Sleep Deprivation - Inadequate Quantity of Sleep

Stimulants and Sleep

A Guide to Managing Sleep Disorders

Shift Work Sleep Disorder

The DEC2 Gene and Sleep

How Long should my Child Sleep for?

See more featured articles »

Causes of Sleep Deprivation

Causes of Nocturnal Awakenings

Health Effects of Poor Sleep - Quantity and Quality

Why Do We Dream?

Tips on Getting to Sleep

How Much Sleep do People Need?

How Long Should My Teenager Sleep For?

REM Sleep Activity

Function of Sleep

What is the Circadian Rhythm?

Promoting Sounder Sleep in Older Adults

Spoon Test for Sleep Deprivation

Can too much sleep be dangerous?

What Does Polysomnography Involve?

Ghrelin and Sleep

How Does Sleep Affect Your Immunity?

How Can Sleep Affect Men's Health?

What is Sleep?

Sleep Hygiene

Management of Sleep Deprivation

Circadian Rhythm Sleep Disorders

Neuroscience of Sleep

How Can Mindfulness Meditation Improve Sleep?

Could Humans Ever Hibernate?

Importance of Sleep

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

The Importance of Having a Good Night’s Sleep

Delayed Sleep Phase Disorder (DSPD) Management

A Guide to Healthy Sleep Positions

Effect of Sleep on Your Emotions

Sleep and Yoga

What is Delayed Sleep Phase Disorder (DSPD)?

How to Catch up on Lost Sleep

Does Your Alarm Sound Affect Your Mood?

Role of Sleep in Memory Consolidation

How Does Pain Affect Your Sleep?

Hypnotics and Sleep

The Health Risks of Oversleeping

Difference Between Nightmares and Night Terrors

History of Sleep

Types of Sleep Disorders

Effects of Sleep Deprivation

Regulation of Sleep

What is Sleep Regression?

Brain Activity During Sleep

Stages of Sleep

Latest Sleep News and Research

Long-term study shows how neighborhood conditions shape women's heart health

Women who live in disadvantaged neighborhoods face worse heart health and experience faster decline as they approach menopause, according to a long-term study led by the Harvard Pilgrim Health Care Institute.

17 Jul 2026

Dexamphetamine and methylphenidate work similarly for ADHD but differ in weight effects

A head-to-head trial of ADHD treatments finds dexamphetamine and methylphenidate equally effective, with notable differences in weight management over time.

17 Jul 2026

Online harassment and screen time linked to suicidal thoughts

In the digital age, adolescents and young adults increasingly form social connections through online spaces, including social media, gaming and messaging platforms, which serve as venues for identity exploration, peer connection and emotional validation.

16 Jul 2026

Study highlights communication gaps between cancer survivors and providers on cannabis

For many cancer survivors, cannabis has become part of how they manage symptoms such as pain, nausea and anxiety.

16 Jul 2026

Flexible wireless sensors set to transform continuous health tracking

As chronic diseases surge and populations age worldwide, the critical inadequacy of hospital-centered, episodic physiological monitoring has never been more apparent.

16 Jul 2026

Evening chronotype links later eating with higher body fat

Research shows evening chronotypes in women consume more energy later, leading to higher body fat and metabolic issues, highlighting chrono-nutrition's role.

16 Jul 2026

Sleeping longer may signal early Alzheimer's-related brain changes

Regularly sleeping long hours each night is associated with higher levels of an Alzheimer's-related protein in the blood, even accounting for other health factors, suggests a new study from UT Health San Antonio, the academic health center of The University of Texas at San Antonio.

15 Jul 2026

Study sheds light on the prognostic value of blood test for predicting cognitive impairment risk

A blood test for the biomarker phosphorylated tau 217 (p-tau217) recently received federal clearance, but questions have emerged around the extent to which such tests can accurately predict whether a cognitively healthy individual will go on to develop cognitive impairment-a key symptom of Alzheimer's disease.

15 Jul 2026

Reddit exposes menopause symptoms often missing from medical records

Nearly half the world's population experiences menopause, yet many of its emotional, cognitive and social impacts may never be discussed during medical appointments.

14 Jul 2026

New wearable microneedle patch tracks medicine levels in real time

Wearable devices have transformed how people track exercise, sleep, heart rate and other vital signs.

14 Jul 2026

New report highlights top ten brain health breakthroughs for clinicians

"Understanding Breakthroughs in Brain Health: Top 10 Articles of 2025" - the latest "Top 10" report in the Gerontological Society of America's Insights & Implications in Gerontology series - presents a curated collection of the year's most impactful research on cognitive decline, dementia detection, and brain health across the lifespan, with a focus on actionable insights for primary care providers.

14 Jul 2026

Poor sleep alters brain communication networks differently across adult lifespan

Have trouble sleeping? The reason may depend in part on your age. A recent study including psychology researchers from Binghamton University, State University of New York investigates how poor sleep alters brain communication across the adult lifespan, specifically examining how these changes vary by age and biological sex.

14 Jul 2026

New study quantifies how future climate change threatens mental health

A new study has, for the first time in the world, quantitatively projected how climate change will affect mental health at a multi-country level.

14 Jul 2026

Newborn breathing collapse risk highest in first 24 hours

Sudden unexpected postnatal collapse (SUPC) occurs when an apparently healthy newborn suddenly stops breathing and collapses during the first week of life.

14 Jul 2026

A 10-minute evening skincare massage may help women sleep better and feel less anxious

Four weeks of a 10-minute evening cosmetic routine with self-massage improved self-reported sleep quality, state anxiety, mental health, and vitality in women with sleep complaints compared with usual routines. Exploratory wearable data showed longer total and deep sleep on rest days, but the non-randomized design and absence of wearable controls limit causal conclusions.

13 Jul 2026

Sleep patterns influence eating habits and metabolic health

Whether you are an early bird or a night owl, your sleep patterns can tell a lot about a person's eating habits and subsequently the potential health risks.

13 Jul 2026

Study: Bariatric surgery is safe, effective for obese adolescents and young adults

A new study from researchers at LSU's Pennington Biomedical Research Center, FMOL Health | Our Lady of the Lake Regional Medical Center and Metamor Institute demonstrates that metabolic and bariatric surgery can be delivered safely and effectively for adolescents and young adults living with severe obesity, offering promising improvements in weight loss and obesity-related health conditions.

13 Jul 2026

Study links GLP-1 treatment to fewer alcohol drinking days

Current GLP-1 receptor agonist prescriptions were associated with modestly lower AUDIT-C scores in a large, diverse US cohort. The difference appeared to reflect less frequent drinking rather than fewer drinks per occasion or fewer binge-drinking episodes.

13 Jul 2026

Global study reveals country-specific patterns in dementia risk factors

A major, USC-led study of more than 214,000 older adults across 14 countries and regions finds that the most common controllable risk factors for dementia - such as low education, high blood pressure and smoking - vary widely from country to country, meaning a one-size-fits-all approach to prevention won't work everywhere.

12 Jul 2026

Older adults face greater risk of mental health hospitalizations during extreme heatwaves

As the US recovers from its 4 July heatwave, a new study in Nature Health warns of an impending uptick in people attending hospitals for mental health and behavioral disorders, according to the first multi-country study of heatwave-related mental health hospitalization, led by Monash University in Australia.

10 Jul 2026