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?

Promoting Sounder Sleep in Older Adults

How Much Sleep do People Need?

Function of Sleep

What Does Polysomnography Involve?

Does Your Alarm Sound Affect Your Mood?

Health Effects of Poor Sleep - Quantity and Quality

History of Sleep

Types of Sleep Disorders

Can too much sleep be dangerous?

Why Do We Dream?

How Long should my Child Sleep for?

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Difference Between Nightmares and Night Terrors

Spoon Test for Sleep Deprivation

Causes of Nocturnal Awakenings

Stimulants and Sleep

Brain Activity During Sleep

A Guide to Healthy Sleep Positions

Sleep and Yoga

Nutritional Effects on Sleep

Tips on Getting to Sleep

Sleep Hygiene

What is Delayed Sleep Phase Disorder (DSPD)?

Regulation of Sleep

Shift Work Sleep Disorder

How to Catch up on Lost Sleep

Could Humans Ever Hibernate?

How Can Mindfulness Meditation Improve Sleep?

Role of Sleep in Memory Consolidation

Management of Sleep Deprivation

What is the Role of Melatonin in Sleep Regulation?

Causes of Sleep Deprivation

A Guide to Managing Sleep Disorders

Neuroscience of Sleep

What is the Circadian Rhythm?

Delayed Sleep Phase Disorder (DSPD) Management

How Long Should My Teenager Sleep For?

How Does Pain Affect Your Sleep?

How Can Sleep Affect Men's Health?

Hypnotics and Sleep

Sleep Deprivation - Inadequate Quantity of Sleep

Circadian Rhythm Sleep Disorders

REM Sleep Activity

The Importance of Having a Good Night’s Sleep

The Health Risks of Oversleeping

Effect of Sleep on Your Emotions

How Does Sleep Affect Your Immunity?

Sleep and Hormones

Stages of Sleep

What is Sleep Regression?

Is Daytime Napping in Adults Good or Bad?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Why Do We Sleep?

Importance of Sleep

The DEC2 Gene and Sleep

Ghrelin and Sleep

Effects of Sleep Deprivation

Latest Sleep News and Research

Subtle warning signs of MS can appear 15 years before diagnosis

The earliest warning signs of multiple sclerosis (MS) may emerge more than a decade before the first classical neurological symptoms occur, according to new research from the University of British Columbia.

1 Aug 2025

Deep staff cuts at a little-known federal agency pose trouble for droves of local health programs

A little-known federal agency that sends more than $12 billion annually to support community health centers, addiction treatment services, and workforce initiatives for America's neediest people has been hobbled by the Trump administration's staffing purges.

1 Aug 2025

Spinning's positive impact on hip osteoarthritis uncovered

A new study by Bournemouth University (BU) and University Hospitals Dorset (UHD) has revealed the benefits of spinning for patients with hip osteoarthritis. The study was funded by the National Institute for Health Research (NIHR) and will be published in Lancet Rheumatology at 23:30 UK time on Thursday 31st July 2025.

1 Aug 2025

RMIT's wearable tech fights infection with smart sensors

Researchers from RMIT University have developed a wearable wound monitoring device with integrated sensors that could reduce infection risks by minimising the need for frequent physical contact.

1 Aug 2025

Updated guideline aims to identify quality improvement opportunities in managing adult sinusitis

The American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF) published the Clinical Practice Guideline (CPG): Adult Sinusitis Update today in Otolaryngology–Head and Neck Surgery.

31 Jul 2025

Thalamic feedback pathway found to tune sensory perception

The cerebral cortex processes sensory information via a complex network of neural connections. How are these signals modulated to refine perception? A team from the University of Geneva (UNIGE) has identified a mechanism by which certain thalamic projections target neurons and modify their excitability.

30 Jul 2025

Innovative technologies push pediatric MRI beyond diagnostics

From fetal stages through adolescence, the b;rain undergoes rapid, layered development—from basic motor skills to complex emotional regulation.

30 Jul 2025

Eating meals earlier could help people at high obesity risk

Research indicates that early eating habits may lower genetic obesity risk, enhancing weight loss maintenance in at-risk adults after dietary treatments.

30 Jul 2025

Immigrant kids detained in ‘unsafe and unsanitary’ sites as Trump team seeks to end protections

A child developed a rash after he was prevented from changing his underwear for four days. A little boy, bored and overcome with despair, began hitting himself in the head.

30 Jul 2025

Tiny artificial cells successfully mimic biological clocks

A team of UC Merced researchers has shown that tiny artificial cells can accurately keep time, mimicking the daily rhythms found in living organisms.

29 Jul 2025

A brain-dead pregnant woman was kept alive in Georgia. It’s unclear if state law required it.

A Georgia woman declared brain-dead and kept on life support for more than three months because she was pregnant was removed from a ventilator in June and died, days after doctors delivered her 1-pound, 13-ounce baby by emergency cesarean section.

29 Jul 2025

How a leaky gut could be putting your heart at risk

Researchers reviewed recent studies showing that gut dysbiosis contributes to heart failure by weakening the gut barrier, enabling harmful metabolites like TMAO to trigger inflammation and cardiac damage. The review highlights a bidirectional “gut-heart axis” and points to new avenues for dietary and microbial therapies.

28 Jul 2025

Moderate coffee and tea habits linked to sharper thinking in seniors

Moderate coffee intake and both moderate and high tea consumption are associated with a slower decline in fluid intelligence among older adults over nearly a decade. High coffee intake, however, is linked to a faster decline in cognitive function.

28 Jul 2025

Study finds significant associations between sleep traits and 172 diseases

A groundbreaking international study, recently published in Health Data Science, analyzed objective sleep data from 88,461 adults in the UK Biobank and found significant associations between sleep traits and 172 diseases.

28 Jul 2025

Research uncovers ME/CFS's systemic impact for targeted therapies

Millions suffering from myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), a debilitating condition often overlooked due to the lack of diagnostic tools, may be closer to personalized care, according to new research that shows how the disease disrupts interactions between the microbiome, immune system, and metabolism.

26 Jul 2025

New website empowers women to navigate menopause with confidence

Menopause remains one of the most under-discussed stages of life, even though more than 1 million women in the United States experience this natural biological transition each year.

24 Jul 2025

Penn State team investigates the neural basis of nightmares and mental health

Dreams, and likely nightmares, are experienced universally across humans and animals, but neuroscientists still do not know why.

24 Jul 2025

States pass privacy laws to protect brain data collected by devices

More states are passing laws to protect information generated by a person's brain and nervous system as technology improves the ability to unlock the sensitive details of a person's health, mental states, emotions, and cognitive functioning.

23 Jul 2025

Republicans call Medicaid rife with fraudsters. This man sees no choice but to break the rules.

As congressional Republicans finalized Medicaid work requirements in President Donald Trump's budget bill, one man who relies on that government-subsidized health coverage was trying to coax his old car to start after an eight-hour shift making sandwiches.

23 Jul 2025

Study reveals how the body clock stays on track despite temperature changes

Researchers led by Gen Kurosawa at the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) in Japan have used theoretical physics to discover how our biological clock maintains a consistent 24-hour cycle-even as temperatures change.

22 Jul 2025