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 Much Sleep do People Need?

Can too much sleep be dangerous?

What Does Polysomnography Involve?

Function of Sleep

How to Catch up on Lost Sleep

How Long should my Child Sleep for?

Why Do We Dream?

Regulation of Sleep

Circadian Rhythm Sleep Disorders

Causes of Nocturnal Awakenings

Sleep Deprivation - Inadequate Quantity of Sleep

See more featured articles »

Hypnotics and Sleep

Spoon Test for Sleep Deprivation

Role of Sleep in Memory Consolidation

Effect of Sleep on Your Emotions

REM Sleep Activity

A Guide to Managing Sleep Disorders

Difference Between Nightmares and Night Terrors

Delayed Sleep Phase Disorder (DSPD) Management

What is the Role of Melatonin in Sleep Regulation?

Stages of Sleep

History of Sleep

Ghrelin and Sleep

Effects of Sleep Deprivation

How Does Sleep Affect Your Immunity?

The Health Risks of Oversleeping

Management of Sleep Deprivation

What is Delayed Sleep Phase Disorder (DSPD)?

How Does Pain Affect Your Sleep?

Does Your Alarm Sound Affect Your Mood?

What is Sleep Regression?

A Guide to Healthy Sleep Positions

What is the Circadian Rhythm?

How Can Sleep Affect Men's Health?

Sleep and Hormones

How Can Mindfulness Meditation Improve Sleep?

Tips on Getting to Sleep

Sleep Hygiene

Is Daytime Napping in Adults Good or Bad?

Could Humans Ever Hibernate?

Health Effects of Poor Sleep - Quantity and Quality

Promoting Sounder Sleep in Older Adults

Why Do We Sleep?

The Importance of Having a Good Night’s Sleep

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Importance of Sleep

Stimulants and Sleep

Nutritional Effects on Sleep

Causes of Sleep Deprivation

Types of Sleep Disorders

Neuroscience of Sleep

Shift Work Sleep Disorder

Brain Activity During Sleep

Sleep and Yoga

What is Sleep?

The DEC2 Gene and Sleep

How Long Should My Teenager Sleep For?

Latest Sleep News and Research

GP nurses could deliver effective sleep treatments

A new Flinders University study shows that nurses working in general practice could play a major role in improving access to sleep‑health treatment, but only if patients and general practice staff are involved in designing these services.

22 Apr 2026

Virtual neurology visits match in-person care outcomes

For people who see a neurology clinician for the first time, a new study has found that being seen virtually vs. in-person made no difference in how soon they needed more care.

22 Apr 2026

Sleep apnea more common in former football players than previously recognized

New research led by investigators at Vanderbilt Health and the Football Players Health Study at Harvard University suggests that sleep apnea may be far more common - and more clinically significant - among former professional football players than previously recognized.

22 Apr 2026

Poor sleep linked to higher dementia risk in epilepsy

For people with epilepsy, getting poor sleep was associated with a higher risk of dementia compared to people without epilepsy, according to a study published April 22, 2026, in Neurology, the medical journal of the American Academy of Neurology.

22 Apr 2026

Heavy drinking linked to next day cognitive problems in students

When college students drink very heavily or to the point of blacking out, they're more likely to report poorer cognitive functioning the next day, like forgetting someone's name or having trouble making decisions, according to new research from the University of Oregon.

22 Apr 2026

Tirzepatide vs. semaglutide: Study compares cost and health outcomes in obesity

In a US societal-perspective lifetime simulation based on SURMOUNT-5 data, tirzepatide was projected to deliver lower total costs and better health outcomes than semaglutide for adults with obesity or overweight without type 2 diabetes.

22 Apr 2026

Patient outcomes vary by drug class despite achieving clinical remission

A study published in Rheumatology & Autoimmunity challenges the assumption that achieving clinical remission in rheumatoid arthritis is sufficient, showing that patient-reported outcomes vary significantly by drug class even when disease activity is comparable.

22 Apr 2026

Researchers identify high rates of untreated hypertension in young veterans

Approximately half a million post-9/11 U.S. veterans who served in the military have had high blood pressure, and among them, about half were undiagnosed and one quarter were untreated, according to a new study published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

22 Apr 2026

New guideline recommends combined therapies for chronic insomnia treatment

A new clinical practice guideline from the American Academy of Sleep Medicine provides evidence‑based recommendations on the combined use of behavioral‑psychological and pharmacological therapies to treat chronic insomnia disorder in adults.

21 Apr 2026

Morning naps may flag higher mortality risk in older adults

Older adults who took longer and more frequent daytime naps, especially in the morning, had a higher risk of all-cause mortality in this prospective cohort study using actigraphy-based nap tracking. Variability in nap duration from day to day was not associated with mortality after full adjustment.

21 Apr 2026

Psychotropic medication use rises significantly after Parkinson's disease diagnosis

Up to one in three people with Parkinson's disease use at least one psychotropic medication, a recent study from the University of Eastern Finland shows.

21 Apr 2026

Brain organoids may guide Alzheimer’s diagnosis and treatment

Scientists from Johns Hopkins Medicine report new evidence that clusters of brain tissue derived from the cells of patients with Alzheimer's disease may be used to evaluate how certain patients with the neurodegenerative condition may respond to drugs commonly prescribed to treat psychiatric symptoms of the disorder.

20 Apr 2026

Nestlé and NTU Singapore announce research partnership on aging and women's health

Nestlé and NTU Singapore today announced a multi‑year joint research partnership to advance the scientific understanding of how nutrition supports healthy longevity and women's health.

20 Apr 2026

Obesity, GLP-1s, and metabolic care

An interview with Professor Thomas Forst, Chief Medical Officer, hVIVO

From hVIVO 17 Apr 2026

Smoothies vs juice: study reveals which fruit form is healthiest

Fruit smoothies are associated with improved health indicators, outperforming juices and solid fruits, emphasizing the need for dietary guidelines adjustments.

17 Apr 2026

Hidden viral reservoirs in tonsils may explain school-year respiratory outbreaks

A study conducted at the University of São Paulo (USP) in Brazil reveals that tissues such as the tonsils and adenoids can serve as hiding places for the rhinovirus, which causes the common cold and is responsible for most respiratory infections worldwide.

17 Apr 2026

Scientists link poor sleep to decreased chemotherapy response via the gut

Sleep deprivation has long been known to weaken the immune system. Now UF Health Cancer Institute researchers have made a startling discovery: The gut microbiota drives changes to the immune system caused by chronic sleep loss. These changes promote cancer progression, disrupt circadian rhythm and weaken the effectiveness of chemotherapy.

17 Apr 2026

Clinical barriers prevent hormone therapy access after cervical cancer treatment

Most oncologists say they would prescribe hormone therapy to cervical cancer patients who experience early menopause from radiation treatment, but barriers are keeping many from doing so in practice, according to a new University of Kentucky Markey Cancer Center study published in JAMA Network Open.

16 Apr 2026

Matching exercise timing to body clock chronotype improves heart health

Timing exercise to match body clock chronotype-the natural predisposition to morning or evening alertness-may lower cardiovascular disease risk among those who are already vulnerable, suggests research published in the open access journal Open Heart.

15 Apr 2026

Loneliness is linked to higher risk of degenerative heart valve disease

Adults who reported feeling lonely had a higher risk of developing degenerative heart valve disease, even after accounting for traditional heart disease risk factors and genetics, according to new research published today in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

15 Apr 2026