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 Does Pain Affect Your Sleep?

What is Sleep?

Spoon Test for Sleep Deprivation

History of Sleep

Sleep Hygiene

Shift Work Sleep Disorder

Health Effects of Poor Sleep - Quantity and Quality

The Health Risks of Oversleeping

Tips on Getting to Sleep

Stages of Sleep

What Does Polysomnography Involve?

See more featured articles »

Sleep Deprivation - Inadequate Quantity of Sleep

Hypnotics and Sleep

Brain Activity During Sleep

Difference Between Nightmares and Night Terrors

Stimulants and Sleep

Circadian Rhythm Sleep Disorders

Sleep and Hormones

Effects of Sleep Deprivation

A Guide to Managing Sleep Disorders

Neuroscience of Sleep

What is the Circadian Rhythm?

Role of Sleep in Memory Consolidation

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Regulation of Sleep

The DEC2 Gene and Sleep

A Guide to Healthy Sleep Positions

Is Daytime Napping in Adults Good or Bad?

Does Your Alarm Sound Affect Your Mood?

Nutritional Effects on Sleep

Causes of Sleep Deprivation

How Does Sleep Affect Your Immunity?

Importance of Sleep

Function of Sleep

How Long Should My Teenager Sleep For?

Could Humans Ever Hibernate?

Management of Sleep Deprivation

How to Catch up on Lost Sleep

Causes of Nocturnal Awakenings

Why Do We Dream?

Promoting Sounder Sleep in Older Adults

How Can Mindfulness Meditation Improve Sleep?

How Much Sleep do People Need?

What is Delayed Sleep Phase Disorder (DSPD)?

Ghrelin and Sleep

The Importance of Having a Good Night’s Sleep

REM Sleep Activity

Effect of Sleep on Your Emotions

Types of Sleep Disorders

What is Sleep Regression?

Sleep and Yoga

Delayed Sleep Phase Disorder (DSPD) Management

Can too much sleep be dangerous?

Why Do We Sleep?

How Long should my Child Sleep for?

How Can Sleep Affect Men's Health?

What is the Role of Melatonin in Sleep Regulation?

Latest Sleep News and Research

Buck Institute launches a new initiative to measure and extend human healthspan

The Buck Institute for Research on Aging today announced the launch of Healthspan Horizons, a new initiative designed to address one of the most urgent challenges in modern medicine: how to measure, understand, and extend healthspan-the years of life spent in good health.

6 Mar 2026

Weekend lie-ins may boost insulin sensitivity, but too much may backfire

This study explores the relationship between sleep patterns and insulin sensitivity, emphasizing the impact of weekday sleep and weekend catch-up on metabolism.

6 Mar 2026

Improving biological age gap may help protect long-term brain health

Improving the gap between your biological age and your chronological age is associated with a lower risk of stroke and improvements in signs of damage in the brain, according to a preliminary study released March 5, 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.

5 Mar 2026

Researchers propose that Parkinson’s disease may start in the gut, not the brain

A perspective in The Journal of Clinical Investigation argues that environmental exposures may interact with the gut microbiome and intestinal barrier to trigger biological processes linked to Parkinson’s disease. The authors propose that cumulative environmental stressors can erode host resilience, promoting α-synuclein pathology, immune activation, and neurodegeneration.

5 Mar 2026

Study identifies high prevalence of hidden physical aggression toward young infants

About one in 20 infants worldwide is subjected to physical abuse by a caregiver in their first two years of life.

5 Mar 2026

Neural circuit mechanisms explain how chronic sleep loss disrupts social memory

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

5 Mar 2026

Wearable sensors as a tool for MS monitoring

Wearable sensors may help identify people with multiple sclerosis (MS) who are more likely to have worsening disability and loss of brain volume, according to a study published on March 4th, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

4 Mar 2026

A sharp rise in "very short sleep" among US teens

Teenagers across the country are getting less sleep, a researcher from the University of Connecticut reports on March 2nd, 2026, in JAMA. And the problem appears to be societal.

4 Mar 2026

Breathing patterns and brain activity become more independent during the deepest sleep

Could the deepest parts of the brain hold some of the secrets of sleep that still remain elusive to science?

4 Mar 2026

Experts share essential tips for maintaining healthy sleep during daylight saving time

The month of March brings the promise of warmer weather and longer days ahead. But adjusting to the change in clocks can be tricky. Here's how you can maintain good sleeping habits when the clock jumps forward on March 8.

4 Mar 2026

Study highlights the mental health costs of marine ecosystem damage

The year-long algal bloom along the South Australian coastline has not only devastated marine life and triggered health risks for humans and pets: it has also had a significant psychological impact on local residents, according to new research.

4 Mar 2026

Fear of embarrassment creates a vicious cycle of loneliness in young teenagers

A University of the Sunshine Coast study of young teenagers has identified a vicious cycle of loneliness linked to the fear of embarrassment or judgment by peers.

4 Mar 2026

Nonadherence to COPD medication increases hospital admissions and mortality

Medication nonadherence among people with chronic obstructive pulmonary disease (COPD) is a result of affordability and lack of knowledge about medications, among other factors, and leads to increased exacerbations and faster lung function decline, according to two new studies.

4 Mar 2026

Drinking sparkling water helps gamers stay mentally sharp for hours

Sparkling water may combat cognitive fatigue in gamers, sustaining mental sharpness and executive function during extended esports sessions without stimulants.

4 Mar 2026

Seven hours sleep linked to lower insulin resistance risk

Sleeping for 7 hours and 18 minutes every night may be the sweet spot for warding off the risk of insulin resistance-the precursor to type 2 diabetes-suggests a large observational study published in the open access journal BMJ Open Diabetes Research & Care.

3 Mar 2026

Are socially isolated people more likely to develop cancer? Study of 350,000 adults explores the risk

A large UK Biobank study of more than 350,000 adults found that social isolation, but not loneliness alone, was associated with a modest increase in overall cancer risk during over 11 years of follow-up. The association was stronger in women and appeared partly linked to socioeconomic disadvantage, unhealthy behaviors, and inflammatory processes.

3 Mar 2026

How are GLP-1 drugs reshaping treatment for obesity, diabetes, and heart disease?

A comprehensive Lancet review synthesizes evidence from major clinical trials showing that GLP-1 receptor agonists and next-generation incretin therapies deliver substantial weight loss while reducing cardiovascular and kidney risks. Emerging dual, triple, and oral agents may further expand treatment options and improve outcomes across obesity, type 2 diabetes, and related metabolic diseases.

3 Mar 2026

AI system spots Parkinson’s signs in voice, walking and drawings

Combining gait, handwriting, and speech analysis, this AI framework enhances early Parkinson's disease detection, addressing clinical challenges effectively.

3 Mar 2026

Mandated cCMV screening improves early identification of infant hearing loss

A new retrospective cohort study examining the impact of Minnesota's first-in-the-nation mandated universal newborn screening for congenital cytomegalovirus (cCMV) shows that universal screening significantly decreased the age at first audiology visit and increased identification of mild hearing loss in infants.

2 Mar 2026

High-dose curcumin fails to produce lasting gut microbiome changes in IBD patients

In an open-label study of 29 men, including patients with ulcerative colitis and Crohn’s disease in remission, 6 g per day of curcumin for eight weeks led to modest, transient shifts in gut microbiota composition without sustained restructuring. Despite achieving high fecal concentrations and minimal systemic bioavailability, curcumin did not produce durable microbiome changes, and disease activity scores remained stable.

2 Mar 2026