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.

Does Your Alarm Sound Affect Your Mood?

A Guide to Healthy Sleep Positions

Why Do We Sleep?

Causes of Nocturnal Awakenings

Ghrelin and Sleep

Sleep Deprivation - Inadequate Quantity of Sleep

Tips on Getting to Sleep

Could Humans Ever Hibernate?

Effect of Sleep on Your Emotions

Difference Between Nightmares and Night Terrors

What is Sleep Regression?

See more featured articles »

Role of Sleep in Memory Consolidation

How Much Sleep do People Need?

Hypnotics and Sleep

Health Effects of Poor Sleep - Quantity and Quality

How Long Should My Teenager Sleep For?

What is the Circadian Rhythm?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Can too much sleep be dangerous?

Sleep and Hormones

Nutritional Effects on Sleep

Effects of Sleep Deprivation

Is Daytime Napping in Adults Good or Bad?

The Health Risks of Oversleeping

The Importance of Having a Good Night’s Sleep

How Long should my Child Sleep for?

Why Do We Dream?

How Does Pain Affect Your Sleep?

Spoon Test for Sleep Deprivation

History of Sleep

Management of Sleep Deprivation

Function of Sleep

Sleep and Yoga

Stimulants and Sleep

A Guide to Managing Sleep Disorders

Delayed Sleep Phase Disorder (DSPD) Management

What is Sleep?

Regulation of Sleep

The DEC2 Gene and Sleep

Neuroscience of Sleep

Types of Sleep Disorders

How Can Sleep Affect Men's Health?

How Can Mindfulness Meditation Improve Sleep?

Stages of Sleep

What is Delayed Sleep Phase Disorder (DSPD)?

Importance of Sleep

Circadian Rhythm Sleep Disorders

How Does Sleep Affect Your Immunity?

Causes of Sleep Deprivation

Shift Work Sleep Disorder

What Does Polysomnography Involve?

How to Catch up on Lost Sleep

Promoting Sounder Sleep in Older Adults

Sleep Hygiene

Brain Activity During Sleep

What is the Role of Melatonin in Sleep Regulation?

REM Sleep Activity

Latest Sleep News and Research

Telemedicine visits cost far less than in-person care

Telemedicine visits are five times less costly than in-person appointments for the most common conditions able to be treated by both forms of visits, new research from the Perelman School of Medicine at the University of Pennsylvania shows.

25 Feb 2026

Morning chronotype and exercise associated with reduced ALS risk

Being an early bird, also called a morning person, and being more physically active are associated with lower risks of amyotrophic lateral sclerosis (ALS), according to a preliminary study released February 25, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

25 Feb 2026

Combining healthy lifestyle and GLP-1 therapy reduces heart risks in diabetes

Individuals living with type 2 diabetes (T2D) had a significantly lower risk of poor cardiovascular health when they used a GLP-1 receptor agonist (GLP-1 RA) in combination with adhering to healthy lifestyle habits, according to a new study led by researchers at Harvard T.H. Chan School of Public Health and the Department of Veterans Affairs Boston Healthcare System.

25 Feb 2026

Road traffic noise linked to immediate heart and blood vessel stress

A new study published in the journal Cardiovascular Research shows that a single night of road traffic noise, at levels that are typical of those living in a city, causes stress to the heart and blood vessels.

25 Feb 2026

Nearly 6 in 10 women in the U.S. may have cardiovascular disease in the next 25 years

Driven by rising rates in high blood pressure, nearly 6 in 10 women in the U.S. will have some type of cardiovascular disease (CVD) in the next 25 years, according to a new scientific statement published today in Circulation, the peer-reviewed, flagship journal of the American Heart Association, a global force changing the future of health for all.

25 Feb 2026

Untreated sleep apnea may cost the UK and US billions annually

Untreated obstructive sleep apnea may be costing the UK and US economies billions of pounds/dollars in lost productivity every year, with a considerable proportion of working age adults experiencing symptoms indicative of the breathing disorder, suggests an analysis published online in the journal Thorax.

24 Feb 2026

Chimpanzee urine confirms widespread alcohol consumption in the wild

Aleksey Maro knows far more than he cares to know about the urination habits of chimpanzees. But if you want to measure the alcohol intake of chimps in a Ugandan rain forest, where a breathalyzer is impractical, collecting urine for analysis is your only choice.

24 Feb 2026

Neuroticism may influence adolescents' well-being through sleep disruption and reduced mindfulness

Up to 75% of adolescents experience sleep-related problems, including insufficient duration and poor sleep quality.

24 Feb 2026

Standard doses of antidepressants during pregnancy appear to be safe, study suggests

Using a standard dose of antidepressants during pregnancy appears to be safe for the baby, suggests new research from the University of Oslo and Akershus University Hospital.

24 Feb 2026

The gender gap in early Lyme disease detection and signs

In a new Johns Hopkins Medicine study, researchers found that male and female patients with early Lyme disease present with different signs of the disease in the symptoms they report, their physical exams, and their laboratory test results.

23 Feb 2026

Oxytocin circuits mediate sleep loss-induced social memory deficits

Social memory-the ability to recognize familiar individuals and distinguish them from strangers-is fundamental to social cognition.

23 Feb 2026

Frontline healthcare workers experienced highest insomnia rates during and after pandemic

An analysis co-led by Josefa A. Antón Ruiz, a researcher from the Department of Health Psychology at the University of Alicante (UA), reveals that 43.5% of healthcare professionals experienced clinically significant symptoms of insomnia during and after the COVID-19 pandemic.

23 Feb 2026

New Orleans brings back the house call, sending nurses to visit newborns and moms

When Lisa Bonfield gave birth to daughter Adele in late November, she was thrust into the new world of parenting, and faced an onslaught of challenges and skills to learn: breastfeeding, diapering, sleep routines, colic, crying, and all the little warning signs that something could be wrong with the baby.

23 Feb 2026

Grant funds research on prenatal massage for maternal mental health

The Massage Therapy Foundation (MTF) announces the award of a research grant to University of Denver, Denver, Colo. The grant will support a three-year study entitled, "Prenatal Massage: A Complementary Approach for Maternal Health and Mental Health," led by Primary Investigator Galena Rhoades, PhD.

22 Feb 2026

Indoor air quality plays major role in adult asthma symptoms

For adults with asthma, having fans, air purifiers or other ventilation and exhaust systems - especially in kitchens and bathrooms - is one of the best ways to reduce the risk of flare-ups at home.

20 Feb 2026

Delirium after cardiac procedures carries serious long-term risks

Delirium is a sudden onset of acute confusion in which those affected are disoriented, have impaired attention, and experience altered perception -often accompanied by hallucinations or sleep disturbances.

20 Feb 2026

American College of Chest Physicians announces CCAPP designation for advanced practice providers

The American College of Chest Physicians (CHEST) is pleased to announce the first class of advanced practice providers (APPs) to earn the CHEST Critical Care Advanced Practice Provider (CCAPP) designation.

19 Feb 2026

Cyborg transplants may advance cell-based therapies for diabetes

A new electronic implant system can help lab‑grown pancreatic cells mature and function properly, potentially providing a basis for novel, cell-based therapies for diabetes.

19 Feb 2026

Sensory traits in infancy tied to poorer sleep quality

Babies with an increased likelihood of autism may struggle to settle into deep, restorative sleep, according to a new study from the University of East Anglia.

19 Feb 2026

Insufficient sleep raises heart rhythm disorder risk in adults

Getting enough sleep may be more important for heart health than many busy professionals realize. A new multicenter study conducted by researchers from Kumamoto University and the National Cerebral and Cardiovascular Center, has found that insufficient sleep is linked to a higher risk of atrial fibrillation (AF) among working-age adults.

19 Feb 2026