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.

Why Do We Dream?

What is the Circadian Rhythm?

How Long should my Child Sleep for?

Importance of Sleep

A Guide to Healthy Sleep Positions

Effect of Sleep on Your Emotions

How Does Sleep Affect Your Immunity?

Can too much sleep be dangerous?

What Does Polysomnography Involve?

Shift Work Sleep Disorder

Neuroscience of Sleep

See more featured articles »

Ghrelin and Sleep

Sleep and Yoga

How Can Sleep Affect Men's Health?

Regulation of Sleep

The Health Risks of Oversleeping

The Importance of Having a Good Night’s Sleep

Why Do We Sleep?

The DEC2 Gene and Sleep

How Much Sleep do People Need?

Tips on Getting to Sleep

Promoting Sounder Sleep in Older Adults

Role of Sleep in Memory Consolidation

What is Sleep?

Effects of Sleep Deprivation

REM Sleep Activity

Brain Activity During Sleep

Types of Sleep Disorders

Causes of Nocturnal Awakenings

Sleep and Hormones

How Does Pain Affect Your Sleep?

Stages of Sleep

How Can Mindfulness Meditation Improve Sleep?

Management of Sleep Deprivation

Is Daytime Napping in Adults Good or Bad?

Sleep Hygiene

What is Sleep Regression?

What is the Role of Melatonin in Sleep Regulation?

History of Sleep

How Long Should My Teenager Sleep For?

Nutritional Effects on Sleep

Hypnotics and Sleep

Health Effects of Poor Sleep - Quantity and Quality

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Could Humans Ever Hibernate?

Sleep Deprivation - Inadequate Quantity of Sleep

Stimulants and Sleep

Circadian Rhythm Sleep Disorders

Delayed Sleep Phase Disorder (DSPD) Management

Function of Sleep

Does Your Alarm Sound Affect Your Mood?

A Guide to Managing Sleep Disorders

Causes of Sleep Deprivation

Difference Between Nightmares and Night Terrors

Spoon Test for Sleep Deprivation

How to Catch up on Lost Sleep

What is Delayed Sleep Phase Disorder (DSPD)?

Latest Sleep News and Research

Consumer wearables become the new gatekeepers of clinical health care

JMIR Publications today released a News and Perspectives expert analysis on consumer wearable platforms' forays into the clinical health care space. Authored by MedTech expert Blythe Karow, MBA, "Meet the New Health Care Gatekeeper: Your Wearable" lays out the implications of wearable tech companies owning the first conversation about a patient's health, as well as the potential impacts on patient trust, policy, and regulation.

29 May 2026

Gladstone scientists track exact routes used to clear brain waste

Think of the brain as if it were a house. Insulated from its environment, a house relies on complex networks-pipes, drains, and disposal systems-that interface with the outside world to keep the home functional on the inside.

29 May 2026

Review explores complex associations between sleep apnea and lung cancer

Obstructive sleep apnea (OSA) is a common sleep disorder characterized by intermittent hypoxia and sleep fragmentation, which may contribute to lung cancer development and progression.

29 May 2026

Survey reveals critical knowledge gaps in maternal health recommendations

Most Americans know that how well a mother takes care of herself before and during pregnancy affects the health of a baby, but many people remain unclear about some specific maternal health recommendations, including when to start avoiding alcohol, according to a new nationally representative survey from the Annenberg Public Policy Center (APPC) of the University of Pennsylvania.

29 May 2026

Herbal cigarettes are not safer than regular tobacco alternatives

Herbal cigarettes, widely sold in India and abroad as natural, tobacco-free, and even therapeutic alternatives to conventional cigarettes, are not safer than regular tobacco cigarettes.

29 May 2026

Grant funds research on unique challenges facing young cancer survivors

Weill Cornell Medicine received a five-year, $5 million grant from the National Cancer Institute, part of the National Institutes of Health, to develop innovative support strategies for an understudied group of cancer patients: adolescents and young adults (AYAs).

28 May 2026

Vitamin deficiencies may contribute to chronic fatigue and low motivation

With less time and more work, chronic fatigue has become a moniker of modern society. However, this not only reduces the quality of life but also constitutes as a social issue that affects work efficiency and leads to accidents.

28 May 2026

Smartwatch seizure detection app may help reduce epilepsy-related deaths

In people with epilepsy, a new study has found a smartwatch application accurately detected tonic-clonic seizures, seizures with major convulsions, with a low rate of false alarms.

27 May 2026

Artificial intelligence reveals hidden fluid flow patterns in sleeping brains

When a person goes into deep sleep, waterlike fluid circulates around the brain, washing away metabolic waste that is linked to diseases such as Alzheimer's.

27 May 2026

Heart health before pandemic influenced severity of COVID-19 infections

Better heart health before the pandemic was linked to a lower risk of severe COVID-19 events, according to research published today in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

27 May 2026

Can AI help build a fairer food system from farm to plate?

AI could help make food systems more personalized and climate-resilient by linking nutrition, health, farming, logistics, and sustainability data. The review highlights promise in precision nutrition, vertical farming, traceability, and smarter supply chains, while warning that privacy, equity, energy use, data silos, and governance gaps must be addressed.

27 May 2026

Mount Sinai opens integrated clinical center for womens health

The Mount Sinai Health System is opening the Carolyn Rowan Center for Women's Health and Wellness, a transformative new model for women's health that brings together multidisciplinary clinical expertise, structured care pathways, and leading-edge research innovation to deliver more personalized, comprehensive care for women across the entire lifespan.

27 May 2026

EEG reveals how coffee may secretly lower sleep quality

Evening coffee has sparked controversy for years. Some people fall asleep without difficulty, while others toss and turn for half the night.

27 May 2026

Healthy hearts prior to pandemic reduced severe COVID-19 risk

27 May 2026

Women who sleep less may face more irregular menstrual cycles

A study on 42,759 menstrual cycles shows that sleep quality affects menstrual health, with implications for physiological stability and individual variability.

27 May 2026

Wearable devices may help detect menstrual health changes earlier

Digital health tools, including wearables, provide critical data on menstrual health, enhancing understanding of hormonal fluctuations and women's well-being.

27 May 2026

Study links fathers’ preconception stress to altered offspring development

Research from the University of Colorado Anschutz suggests that stress experienced by a father before conception may influence an offspring's growth by altering small molecular signals in sperm.

26 May 2026

Early multidisciplinary care speeds concussion recovery in children

Children recover significantly faster from concussion after receiving early, multidisciplinary care designed to treat persistent symptoms, according to a new study.

26 May 2026

Special yoga intervention helps cancer survivors manage psychological side effects

University of Rochester Medicine is in the spotlight at a national meeting for a new discovery in integrative oncology: A special yoga intervention, the study shows, goes a step further than other side-effect therapies to improve four domains of physical and psychological side effects that most patients experience, including lifting mood and easing anxiety.

26 May 2026

How heat-smart cities can protect outdoor recreation in a warming world

This review shows how rising humid heat threatens the health benefits of nature-based recreation in tropical cities. The authors call for heat-smart urban planning, targeted advisories, and inclusive strategies that keep outdoor activity safe, accessible, and beneficial.

26 May 2026