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

Healthier lifestyle choices could mitigate telomere length-associated brain disease risks

Scientists from Mass General Brigham explored the associations between telomere length-which decreases as a person ages or is exposed to unhealthy environments-and the risk for age-related brain diseases.

12 Jun 2025

Bedfont® Scientific Limited announces strategic partnership for the piCO™ Smokerlyzer® carbon monoxide (CO) device

Bedfont® Scientific Limited, an innovative med-tech company and world leaders in breath analysis, has partnered with Electromed Corporation.

From Bedfont® Scientific Ltd 12 Jun 2025

What’s really at stake when your child spends hours on screens?

A comprehensive meta-analysis of 132 longitudinal studies found that increased screen use in children—especially gaming—is linked to a higher risk of later socioemotional problems. These effects are small but significant, with risks accumulating over time and varying by age, gender, and type of screen activity.

12 Jun 2025

Healthy lifestyle habits may shield aging cells from brain disorders

Stroke and dementia as well as late-life depression are more common in people who have a biomarker of aging called short leukocyte telomere length, according to a study published on June 11, 2025, online in Neurology, the medical journal of the American Academy of Neurology.

11 Jun 2025

New hypothesis links caffeine to lower risk of sudden infant death syndrome

After decades of stalled national progress in reducing the rate of Sudden Unexpected Infant Death (SUID), a category of infant mortality that includes sudden infant death syndrome (SIDS), researchers at Rutgers Health have proposed an unexpected solution: Caffeine might protect babies by preventing dangerous drops in oxygen that may trigger deaths.

11 Jun 2025

Daily avocado consumption linked to better sleep and cardiovascular health

A new study suggests that eating one avocado a day may positively impact sleep. Science now confirms sleep is as important for good health as nutrition and exercise.

11 Jun 2025

Moderate weekend catch-up sleep linked to lower teen anxiety

A new study to be presented at the SLEEP 2025 annual meeting found that teens who get moderate - but not excessive - catch-up sleep on weekends have fewer symptoms of anxiety.

10 Jun 2025

Mental recovery after COVID lags behind physical recovery

New research finds that people with COVID-like symptoms returned to optimal physical well-being an average of three months after infection, but took up to nine months to return to top mental well-being.

10 Jun 2025

New guideline puts lifestyle interventions at the forefront of type 2 diabetes and prediabetes care

The American College of Lifestyle Medicine (ACLM) has published the first clinical practice guideline to put lifestyle interventions at the forefront of type 2 diabetes and prediabetes care.

10 Jun 2025

Teen sleep patterns play key role in long-term heart health

A new study to be presented at the SLEEP 2025 annual meeting found that teens with earlier, more efficient, and less variable sleep patterns at age 15 had better cardiovascular health at age 22.

9 Jun 2025

Stress disrupts sleep and memory through a neural pathway in male mice

Stress worsens sleep quality and can impair memory. Shinjae Chung, from the University of Pennsylvania, led a study to explore a neural pathway in male mice that stress may influence to cause sleep and memory disturbances.

9 Jun 2025

As cannabis users age, health risks appear to grow

Benjamin Han, a geriatrician and addiction medicine specialist at the University of California-San Diego, tells his students a cautionary tale about a 76-year-old patient who, like many older people, struggled with insomnia.

9 Jun 2025

Alcohol and cabin pressure may harm heart health during flights

The combination of alcohol plus cabin pressure at cruising altitude may threaten sleeping plane passengers' heart health, particularly on long haul flights, suggests the first study of its kind, published online in the respiratory journal Thorax.

6 Jun 2025

Pennington Biomedical’s Greaux Healthy initiative launches to improve child health in Louisiana

Pennington Biomedical Research Center publicly introduced its Greaux Healthy initiative, a public service initiative designed to help improve Louisiana kids' health at every age, during the weekly Red Stick Farmer's Market on Thursday.

6 Jun 2025

Relationship insecurity explains the connection between poor sleep and jealousy

A new study to be presented at the SLEEP 2025 annual meeting found that poor sleep quality is related to relationship insecurity, which moderates the effect of sleep quality on daily feelings of jealousy.

5 Jun 2025

Study reveals sleep-wake continuum in patients with insomnia disorder

Sleep is essential for healthy functioning. Insomnia disorder is prevalent, affecting around 5 to 10% of the adult population.

5 Jun 2025

Talking therapy boosts recovery in stroke survivors with depression or anxiety

Stroke survivors with depression or anxiety who attend talking therapy sessions are more likely to recover from their psychological symptoms, finds a new study by UCL researchers.

5 Jun 2025

Experts review how 12-hour biological cycles operate in mice, with clues in humans

Researchers uncover how 12-hour biological rhythms operate in mammals, exploring their unique mechanisms and potential evolutionary ties to ancient tidal cycles. These rhythms could play a critical role in metabolism, stress response, and disease risk.

4 Jun 2025

Rethinking healthcare through the science of aging

A new editorial was published in Aging (Aging-US) Volume 17, Issue 5, on May 29, 2025, titled "Rethinking healthcare through aging biology."

4 Jun 2025

Bedtime procrastination in young adults linked to specific personality traits

A new study to be presented at the SLEEP 2025 annual meeting found that bedtime procrastination in young adults is associated with specific personality traits, including depressive tendencies.

4 Jun 2025