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.

What is Sleep?

Why Do We Dream?

Spoon Test for Sleep Deprivation

Role of Sleep in Memory Consolidation

Sleep Hygiene

How Does Sleep Affect Your Immunity?

What is the Circadian Rhythm?

History of Sleep

Function of Sleep

What is Sleep Regression?

What is Delayed Sleep Phase Disorder (DSPD)?

Can too much sleep be dangerous?

See more featured articles »

Brain Activity During Sleep

How Long Should My Teenager Sleep For?

Regulation of Sleep

Effects of Sleep Deprivation

The Importance of Having a Good Night’s Sleep

Circadian Rhythm Sleep Disorders

Stimulants and Sleep

Difference Between Nightmares and Night Terrors

How Can Mindfulness Meditation Improve Sleep?

Ghrelin and Sleep

Promoting Sounder Sleep in Older Adults

How Does Pain Affect Your Sleep?

Hypnotics and Sleep

Does Your Alarm Sound Affect Your Mood?

The DEC2 Gene and Sleep

Tips on Getting to Sleep

The Health Risks of Oversleeping

Shift Work Sleep Disorder

Stages of Sleep

Health Effects of Poor Sleep - Quantity and Quality

Causes of Sleep Deprivation

Causes of Nocturnal Awakenings

Sleep and Hormones

Management of Sleep Deprivation

Delayed Sleep Phase Disorder (DSPD) Management

What Does Polysomnography Involve?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Is Daytime Napping in Adults Good or Bad?

Neuroscience of Sleep

What is the Role of Melatonin in Sleep Regulation?

REM Sleep Activity

Importance of Sleep

How Can Sleep Affect Men's Health?

How Long should my Child Sleep for?

Nutritional Effects on Sleep

How to Catch up on Lost Sleep

Why Do We Sleep?

Types of Sleep Disorders

Effect of Sleep on Your Emotions

A Guide to Healthy Sleep Positions

How Much Sleep do People Need?

Could Humans Ever Hibernate?

A Guide to Managing Sleep Disorders

Sleep Deprivation - Inadequate Quantity of Sleep

Sleep and Yoga

Latest Sleep News and Research

Gut bacteria patterns differ in autism and siblings and link to social symptoms

This sibling-controlled East Asian study found that autistic individuals, their unaffected siblings, and typically developing controls differ in gut microbiota diversity and composition, with the clearest separation between autism and typical development. Specific taxa, particularly the butyrate-producing genus Anaerostipes, were modestly associated with social communication and internalising symptoms, supporting a gut–behaviour link without implying causality.

15 Dec 2025

Smartwatch alerts help parents manage children's tantrums

Mayo Clinic researchers have developed a smartwatch-based alert system that signals parents at the earliest signs of a tantrum in children with emotional and behavioral disorders - prompting them to intervene before it intensifies.

15 Dec 2025

Six midlife depressive symptoms linked to dementia decades later

Six particular depressive symptoms when experienced in midlife predict dementia risk more than two decades later, finds a new study led by University College London (UCL) researchers.

15 Dec 2025

Half of hospitalized COVID-19 patients developed long COVID

Research from Thailand shows high long COVID prevalence in hospitalized patients, with severe illness increasing risk and vaccination offering protection.

15 Dec 2025

Exploring melatonin therapeutic potential in systemic lupus erythematosus

A recent review published in Current Molecular Pharmacology explores the therapeutic potential of melatonin in systemic lupus erythematosus (SLE), a complex autoimmune disease affecting multiple organs.

12 Dec 2025

Acupuncture improves breast cancer survivors' perceived cognitive impairment

Real and sham acupuncture were more effective at improving breast cancer survivors' perceived cognitive impairment compared with usual care, while real acupuncture was superior to sham acupuncture in improving objective cognitive function, according to results from the randomized ENHANCE phase II clinical trial presented at the San Antonio Breast Cancer Symposium (SABCS), held December 9-12, 2025.

12 Dec 2025

Machine learning reveals dental caries heterogeneity in NHANES

A new article published in the Journal of Dental Research explores the development an integrated data-cleaning and subtype discovery pipeline using unsupervised machine learning for comprehensive analysis and visualization of data patterns in the National Health and Nutrition Examination Survey (NHANES) database.

11 Dec 2025

Cuffless blood pressure devices show great promise as alternatives to traditional arm-cuff monitors

Cuffless devices to measure blood pressure, such as smartwatches, rings, patches and fingertip monitors, show great promise as alternatives to traditional arm-cuff monitors, however, they are not yet proven accurate enough to diagnose high blood pressure or guide treatment decisions, according to a new scientific statement published today in the American Heart Association's journal Hypertension.

11 Dec 2025

RSV can have profound, long-lasting effects in hospitalized adults

Respiratory syncytial virus, commonly known as RSV, is often associated with cold-like symptoms in young children.

11 Dec 2025

Uterine fibroids linked to higher long-term heart disease risk in women

Long-term heart disease risk in women diagnosed with uterine fibroids was more than 80% higher than in women without fibroids, according to new independent research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

10 Dec 2025

Study provides new insights into brain signaling during sleep and wakefulness

An international team led by the University of Michigan has introduced new methods that reveal which regions of the brain were active throughout the day with single-cell resolution.

10 Dec 2025

Researchers map how brain networks differ in individuals at high clinical risk for psychosis

Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), and NHG Health's Institute of Mental Health (IMH) have mapped how brain networks differ in individuals at Clinical High Risk (CHR) for psychosis, providing a new perspective on the mechanisms underlying the disease onset.

10 Dec 2025

How delays and bankruptcy let a nursing home chain avoid paying settlements for injuries and deaths

Nancy Hunt arrived at an emergency room from a Genesis HealthCare nursing home in Pennsylvania in such dreadful shape, including maggots infesting her gangrened foot, that the hospital called an elder abuse hotline and then the police, her son alleged in a lawsuit.

9 Dec 2025

Prevention efforts for cannabis-impaired driving should also focus on older adults

With cannabis-related vehicle crashes on the rise, a new study suggests that prevention campaigns shouldn't focus just on young people.

9 Dec 2025

Hotter days and nights are already stealing sleep across the U.S.

Rising nighttime and daytime temperatures are associated with reduced sleep duration, poorer sleep continuity, delayed sleep onset, and altered sleep stages in a large U.S. cohort tracked with wearable devices. Vulnerability is greatest among adults aged 40–50 years, females, people with lower socioeconomic status, chronic conditions, and those living in marine climate zones, with climate change projected to further magnify sleep loss.

8 Dec 2025

Insufficient sleep may decrease life expectancy

A good night's sleep is more than a luxury: New research from Oregon Health & Science University suggests that insufficient sleep may shorten your life.

8 Dec 2025

Sleep may hold the key to staying active

Getting enough sleep and staying active are two of the most important things we can do for our health, but new research shows that most people struggle to achieve both, and that sleep may hold the key to moving more.

8 Dec 2025

Smartphone motor tests can predict dopamine deficiency in Parkinson’s disease without brain scans

Researchers explore the use of smartphones coupled with clinical scores to evaluate motor function and predict dopamine deficiency.

7 Dec 2025

In RFK Jr.’s upside-down world of vaccines, panel votes to end hepatitis B shot at birth

Recent weeks have brought good news about vaccines, with studies indicating that flu vaccination reduces heart disease, shingles vaccines can prevent or slow dementia, and a single human papilloma virus shot protects a girl from cervical cancer for the rest of her life.

5 Dec 2025

First new fibromyalgia drug in 15 years, Tonmya (cyclobenzaprine HCl) gains FDA approval and hits pharmacy shelves

In a milestone moment for chronic pain management, Tonix Pharmaceuticals announced on August 15, 2025, that its novel sublingual therapy Tonmya has received approval from the U.S. Food and Drug Administration (FDA) - marking the first new drug for Fibromyalgia in more than 15 years.

From Hanson Wade Group - Non-Opioid Pain Therapeutics Summit 5 Dec 2025