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

How Can Mindfulness Meditation Improve Sleep?

Promoting Sounder Sleep in Older Adults

Sleep Deprivation - Inadequate Quantity of Sleep

Causes of Sleep Deprivation

Effect of Sleep on Your Emotions

How Long Should My Teenager Sleep For?

Management of Sleep Deprivation

REM Sleep Activity

Brain Activity During Sleep

Stages of Sleep

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Regulation of Sleep

Function of Sleep

Nutritional Effects on Sleep

Effects of Sleep Deprivation

Neuroscience of Sleep

Stimulants and Sleep

Hypnotics and Sleep

Shift Work Sleep Disorder

What is Delayed Sleep Phase Disorder (DSPD)?

Delayed Sleep Phase Disorder (DSPD) Management

What is the Circadian Rhythm?

Circadian Rhythm Sleep Disorders

What Does Polysomnography Involve?

How Long should my Child Sleep for?

Health Effects of Poor Sleep - Quantity and Quality

How to Catch up on Lost Sleep

Why Do We Sleep?

Sleep Hygiene

Ghrelin and Sleep

Spoon Test for Sleep Deprivation

Can too much sleep be dangerous?

Causes of Nocturnal Awakenings

History of Sleep

Is Daytime Napping in Adults Good or Bad?

Tips on Getting to Sleep

The DEC2 Gene and Sleep

Importance of Sleep

Difference Between Nightmares and Night Terrors

How Does Sleep Affect Your Immunity?

How Does Pain Affect Your Sleep?

Why Do We Dream?

The Health Risks of Oversleeping

A Guide to Managing Sleep Disorders

The Importance of Having a Good Night’s Sleep

Sleep and Yoga

A Guide to Healthy Sleep Positions

How Can Sleep Affect Men's Health?

How Much Sleep do People Need?

Sleep and Hormones

Role of Sleep in Memory Consolidation

What is Sleep Regression?

Does Your Alarm Sound Affect Your Mood?

Could Humans Ever Hibernate?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

What is the Role of Melatonin in Sleep Regulation?

Latest Sleep News and Research

New study links social factors to racial disparities in weight loss surgery outcomes

Weight loss surgery has long been an effective treatment for the more than 40 percent of American adults struggling with obesity.

24 Jun 2025

New theory sheds light on why sleep cycles matter for memory

Although we know sleep is essential to our physical and mental well-being, it remains an incredibly enigmatic behavior, scientifically speaking.

24 Jun 2025

Smartwatches could help stop pandemics before they start

Smartwatch features that measure heart rates, oxygen levels, fitness levels and sleep quality have been marketed as valuable tools for people who are eager to monitor their health.

23 Jun 2025

Amycretin delivers unprecedented weight loss in early trial for obesity treatment

Once-weekly amycretin, a novel peptide activating GLP-1, amylin, and calcitonin receptors, produced rapid, substantial, and sustained weight loss in adults with overweight or obesity during a phase 1b/2a trial. The treatment was generally well tolerated, with mostly mild to moderate gastrointestinal side effects, supporting further investigation in larger, longer studies.

23 Jun 2025

Teen screen time linked to poor sleep and brain changes

In this digital era, both kids and adults are often glued to smartphone screens. Digital technology keeps users entertained, connected to friends, and in tune with important news.

23 Jun 2025

Use of sleep heart rate patterns to forecast diabetes risk in pregnancy

This study highlights the potential of heart rate variability as an early indicator of gestational diabetes, facilitating proactive healthcare in pregnancy.

23 Jun 2025

Study links sleep heart rate variability to stroke and depression risk

New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and future health conditions, even in people with no obvious sleep problems.

20 Jun 2025

SFARI releases largest dataset on hospitalized children with autism

The Simons Foundation Autism Research Initiative (SFARI) has released phenotypic and genetic data from the Autism Inpatient Collection (AIC), a cohort of more than 1,500 youth participants ages 4 to 20 years old who were hospitalized in one of six child psychiatry units in the United States.

20 Jun 2025

New RSV guideline aims to standardize pediatric care across China

Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory infections (ALRTIs) in children under five and poses a persistent threat to child health worldwide.

20 Jun 2025

Bedtime screen habits linked to poor sleep in tweens

Good sleep is vital for adolescents' physical health, mental well-being, and academic success - yet many don't get enough rest. Now, a new study reveals bedtime screen habits may be to blame.

20 Jun 2025

New study reveals how bedding insulation impacts sleep quality

The temperature of our sleeping environment has a major impact on the quality of our sleep, and good sleep is essential for our overall health and well-being.

20 Jun 2025

Sleep deprivation alters brain response to pain in migraine sufferers

For the first time, researchers have studied what happens in the brains of people who have migraines when they haven't slept enough.

19 Jun 2025

T cells play key role in early stages of Parkinson’s disease

Your T cells work hard to fight disease. Unfortunately, "friendly fire" from T cells can sometimes harm the body's healthy tissues.

19 Jun 2025

Equal access, unequal impact: Parkinson’s hits minorities harder in the UK

Researchers in East London found that South Asian and Black Parkinson’s disease patients experience more severe motor and cognitive symptoms than White patients. Despite similar access to diagnosis, disparities persist, highlighting the need for more inclusive and culturally sensitive care.

18 Jun 2025

New insights into how inhalational anesthetics induce general anesthesia

Since their anesthetic effects were discovered approximately 180 years ago, inhalational anesthetics have been used for general anesthesia in surgical operations.

18 Jun 2025

Sensory sensitivity and partner support shape perinatal depression trajectories

Persistent sadness, fatigue, changes in sleep and appetite, or loss of interest are common symptoms in mothers suffering from perinatal depression.

18 Jun 2025

Nurse practitioners critical in treating older adults as ranks of geriatricians shrink

On Fridays, Stephanie Johnson has a busy schedule, driving her navy-blue Jeep from one patient’s home to the next, seeing eight in all.

18 Jun 2025

Global warming fuels an alarming increase in obstructive sleep apnea cases

Global warming significantly raises the risk and severity of obstructive sleep apnea (OSA), especially on hotter nights. A multinational sensor-based study links temperature-driven OSA increases to major losses in healthy life years and billions in economic costs.

17 Jun 2025

Aquatic therapy eases back pain and boosts mental health

A new Concordia study suggests that aquatic therapy for individuals with chronic low back pain can do more than strengthen the muscles around the spine.

17 Jun 2025

Disrupted biological rhythms in teens can produce unexpected brain effects

A new McGill University-led study suggests that disrupting the body's internal clock during adolescence can alter how the brain responds to an in-utero risk factor linked to certain brain disorders.

17 Jun 2025