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?

Types of Sleep Disorders

Promoting Sounder Sleep in Older Adults

Ghrelin and Sleep

Sleep and Hormones

Can too much sleep be dangerous?

REM Sleep Activity

Nutritional Effects on Sleep

How Does Sleep Affect Your Immunity?

Difference Between Nightmares and Night Terrors

What Does Polysomnography Involve?

Effect of Sleep on Your Emotions

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Stages of Sleep

What is the Circadian Rhythm?

Why Do We Sleep?

Neuroscience of Sleep

Tips on Getting to Sleep

Brain Activity During Sleep

How to Catch up on Lost Sleep

Shift Work Sleep Disorder

Importance of Sleep

Management of Sleep Deprivation

A Guide to Managing Sleep Disorders

How Long should my Child Sleep for?

How Can Mindfulness Meditation Improve Sleep?

Is Daytime Napping in Adults Good or Bad?

Delayed Sleep Phase Disorder (DSPD) Management

What is Delayed Sleep Phase Disorder (DSPD)?

Spoon Test for Sleep Deprivation

How Much Sleep do People Need?

The DEC2 Gene and Sleep

Stimulants and Sleep

Regulation of Sleep

What is the Role of Melatonin in Sleep Regulation?

Circadian Rhythm Sleep Disorders

History of Sleep

The Health Risks of Oversleeping

Sleep Hygiene

Role of Sleep in Memory Consolidation

Health Effects of Poor Sleep - Quantity and Quality

Sleep Deprivation - Inadequate Quantity of Sleep

A Guide to Healthy Sleep Positions

Causes of Sleep Deprivation

Hypnotics and Sleep

Sleep and Yoga

Effects of Sleep Deprivation

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

The Importance of Having a Good Night’s Sleep

What is Sleep Regression?

Why Do We Dream?

How Long Should My Teenager Sleep For?

Function of Sleep

Causes of Nocturnal Awakenings

Does Your Alarm Sound Affect Your Mood?

How Does Pain Affect Your Sleep?

Could Humans Ever Hibernate?

How Can Sleep Affect Men's Health?

Latest Sleep News and Research

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

Health savings accounts, backed by GOP, cover fancy saunas but not insurance premiums

With the tax-free money in a health savings account, a person can pay for eyeglasses or medical exams, as well as a $1,700 baby bassinet or a $300 online parenting workshop.

5 Dec 2025

Restless legs syndrome linked to higher Parkinson’s disease risk

The study shows restless legs syndrome is associated with higher Parkinson's disease incidence, raising questions about treatment impacts on symptoms.

5 Dec 2025

Pre-workout supplements linked to dangerously short sleep

Pre-workout supplements are associated with lower sleep duration in young Canadians, highlighting the need for guidance on timing and caffeine content.

5 Dec 2025

Concussion history accurately predicts long-term health in former NFL players

A UNC-Chapel Hill study conducted by the Matthew Gfellar Center studied more than 1,500 former NFL players found that two of the most commonly used ways to estimate head injury risk, years played and playing position, are not actually linked to poorer long-term physical or mental health.

4 Dec 2025