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.

The Importance of Having a Good Night’s Sleep

What is Sleep?

Nutritional Effects on Sleep

How Long Should My Teenager Sleep For?

Role of Sleep in Memory Consolidation

Does Your Alarm Sound Affect Your Mood?

A Guide to Healthy Sleep Positions

Tips on Getting to Sleep

Why Do We Dream?

Sleep Deprivation - Inadequate Quantity of Sleep

Could Humans Ever Hibernate?

See more featured articles »

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Stages of Sleep

Health Effects of Poor Sleep - Quantity and Quality

REM Sleep Activity

Brain Activity During Sleep

Hypnotics and Sleep

How Does Sleep Affect Your Immunity?

How Can Sleep Affect Men's Health?

How Much Sleep do People Need?

How Long should my Child Sleep for?

The Health Risks of Oversleeping

Why Do We Sleep?

Effects of Sleep Deprivation

Causes of Nocturnal Awakenings

What is the Role of Melatonin in Sleep Regulation?

How Can Mindfulness Meditation Improve Sleep?

Circadian Rhythm Sleep Disorders

What is Sleep Regression?

Importance of Sleep

A Guide to Managing Sleep Disorders

Regulation of Sleep

Sleep Hygiene

Function of Sleep

Stimulants and Sleep

History of Sleep

Shift Work Sleep Disorder

The DEC2 Gene and Sleep

Can too much sleep be dangerous?

Ghrelin and Sleep

Effect of Sleep on Your Emotions

Sleep and Hormones

Neuroscience of Sleep

Causes of Sleep Deprivation

Spoon Test for Sleep Deprivation

Promoting Sounder Sleep in Older Adults

What is the Circadian Rhythm?

Management of Sleep Deprivation

Sleep and Yoga

Is Daytime Napping in Adults Good or Bad?

Difference Between Nightmares and Night Terrors

What Does Polysomnography Involve?

What is Delayed Sleep Phase Disorder (DSPD)?

Delayed Sleep Phase Disorder (DSPD) Management

How to Catch up on Lost Sleep

How Does Pain Affect Your Sleep?

Types of Sleep Disorders

Latest Sleep News and Research

Treating autonomic dysfunction can relieve symptoms of treatment-resistant depression

Consider a house with the water main half shut. The faucets sputter. The toilet runs all night. The garden wilts. You could call a plumber for the faucet, a landscaper for the garden, a different plumber for the toilet, and every one of them would fix something while fixing nothing.

31 Mar 2026

How swapping unhealthy foods can significantly reduce your heart risk

More than half of adults and about 60% of children in the U.S. have unhealthy diets, which can contribute to higher rates of health factors such as high blood pressure and obesity, and lead directly to poor health outcomes including deaths from cardiovascular disease and other chronic conditions, according to the American Heart Association.

31 Mar 2026

ACLM launches project remission for Type 2 diabetes

The American College of Lifestyle Medicine (ACLM) announces the launch of Project Remission: A Lifestyle Medicine Approach to Type 2 Diabetes, a national digital film series developed in partnership with Content With Purpose (CWP).

31 Mar 2026

How video gaming may shape sleep, diet, and activity across the lifespan

This narrative review found that video gaming can have both benefits and risks for health across the lifespan. It may provide short-term stress relief and social connection, but frequent or prolonged gaming is also associated with sedentary behaviour, poorer sleep, disrupted eating patterns, and lower diet quality, with effects shaped by age, sex, timing, content, and motivation.

31 Mar 2026

Children’s screen use surged significantly during and after pandemic

First systematic review to track long-term trends across pre- and post-pandemic periods finds dramatic rise in screen use among children and adolescents.

30 Mar 2026

How gut imbalance may drive obesity, diabetes, and heart disease

A new review argues that gut dysbiosis is closely linked to metabolic dysfunction through intertwined effects on inflammation, oxidative stress, gut barrier integrity, microbial metabolites, and epigenetic regulation. It also highlights microbiome-targeted strategies such as high-fiber diets, probiotics, prebiotics, postbiotics, exercise, and fecal microbiota transplantation as promising ways to support metabolic health.

30 Mar 2026

Sleep brain activity offers clues to infant neurological development

Electrical signals from the brain could help identify potential issues in the organ's development, a new study reports.

30 Mar 2026

Largest bipolar disorder dataset launched to advance personalized care

BD²: Breakthrough Discoveries for thriving with Bipolar Disorder today announced the first public release of data from the BD² Integrated Network Longitudinal Cohort Study (LCS).

30 Mar 2026

Swimming in treated pools safe for children with tympanostomy tubes

A new study published in Otolaryngology−Head and Neck Surgery, the peer-reviewed journal of the American Academy of Otolaryngology−Head and Neck Surgery Foundation (AAO-HNSF), finds that children with tympanostomy tubes who swim in treated pools are not at increased risk of ear drainage, while those exposed to untreated or natural bodies of water face significantly higher odds of developing recurrent otorrhea.

30 Mar 2026

Irregular bedtime could double the risk of serious cardiac events

An irregular bedtime in midlife may signal an increased risk of cardiovascular disease. A new study from the University of Oulu suggests that large swings in when people go to bed could double the risk of serious cardiac events—particularly among those who get less than eight hours of sleep.

30 Mar 2026

Study opens the door for future treatments for Sleeping Sickness

To survive in the human bloodstream, the African trypanosome parasite wears a "cloak" made of proteins known as a variant surface glycoprotein (VSG).

30 Mar 2026

She owed her insurer a nickel, so it canceled her coverage

Last summer, Lorena Alvarado Hill received a series of unexpected medical bills.

30 Mar 2026

TENS therapy reduces movement pain and fatigue in fibromyalgia patients

Adding TENS (transcutaneous electrical nerve stimulation) to outpatient physical therapy reduced movement-based pain and fatigue in patients with fibromyalgia, and the effects lasted for at least six months, according to a new study led by researchers at University of Iowa Health Care.

27 Mar 2026

Updated heart guidelines urge earlier screening for high blood cholesterol

For the first time since 2018, a clinical guideline from the American College of Cardiology and the American Heart Association for screening and managing blood cholesterol levels has been updated and jointly published in the Journal of the American College of Cardiology and Circulation.

27 Mar 2026

Study reveals overlooked depression symptoms in South Asian communities

Physical pain, heart-related sensations and repetitive negative thinking are among the most commonly reported symptoms of depression in South Asian communities - yet none appear in the diagnostic criteria used to screen for depressive disorders in the UK, according to a new review led by the University of Surrey.

26 Mar 2026

Men show major gaps in male fertility knowledge, study finds

A study of 156 adult men found that knowledge about male fertility was generally low across both medical and lifestyle-related topics, with only 5 of 25 questions answered correctly by most respondents. Older men, those with a medical background, and those with suspected or treated infertility tended to score higher, while supplement use was common despite limited fertility literacy.

26 Mar 2026

Taking a GLP-1? Doctors say not to forget about movement and mental health

Severe ankle pain drove Jelon Smart to start taking a weight loss injection a year and a half ago.

26 Mar 2026

New fathers face delayed mental health risks after childbirth

Paternal mental health risks increase after childbirth, with delayed detection of psychiatric disorders underscoring the need for targeted support for fathers.

26 Mar 2026

New tool aims to support the delivery of whole-person care in everyday clinical practice

As whole-person care accelerates across the U.S. health care system, clinicians face a persistent and consequential gap: the lifestyle and upstream health factors that drive chronic disease remain largely unmeasured, undocumented, and uncompensated in health care data systems.

25 Mar 2026

Sleep apps help you track sleep, but can they also increase anxiety?

Sleep apps offer data-driven insights for better rest, but may increase anxiety in some users. Study reveals varied effects based on demographics and insomnia.

25 Mar 2026