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?

The DEC2 Gene and Sleep

How Can Sleep Affect Men's Health?

Could Humans Ever Hibernate?

Brain Activity During Sleep

Delayed Sleep Phase Disorder (DSPD) Management

Sleep and Hormones

Does Your Alarm Sound Affect Your Mood?

Circadian Rhythm Sleep Disorders

What is Delayed Sleep Phase Disorder (DSPD)?

A Guide to Healthy Sleep Positions

Is Daytime Napping in Adults Good or Bad?

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Causes of Sleep Deprivation

How Long should my Child Sleep for?

History of Sleep

Function of Sleep

What is the Role of Melatonin in Sleep Regulation?

Why Do We Sleep?

Tips on Getting to Sleep

Sleep and Yoga

What is the Circadian Rhythm?

How Can Mindfulness Meditation Improve Sleep?

Stages of Sleep

Causes of Nocturnal Awakenings

Hypnotics and Sleep

Management of Sleep Deprivation

Ghrelin and Sleep

How Long Should My Teenager Sleep For?

Importance of Sleep

Neuroscience of Sleep

What Does Polysomnography Involve?

A Guide to Managing Sleep Disorders

Shift Work Sleep Disorder

How Does Sleep Affect Your Immunity?

Effect of Sleep on Your Emotions

The Importance of Having a Good Night’s Sleep

How to Catch up on Lost Sleep

Spoon Test for Sleep Deprivation

Stimulants and Sleep

Role of Sleep in Memory Consolidation

Sleep Hygiene

Effects of Sleep Deprivation

Sleep Deprivation - Inadequate Quantity of Sleep

Nutritional Effects on Sleep

Can too much sleep be dangerous?

The Health Risks of Oversleeping

Difference Between Nightmares and Night Terrors

Promoting Sounder Sleep in Older Adults

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Regulation of Sleep

Types of Sleep Disorders

REM Sleep Activity

How Much Sleep do People Need?

Health Effects of Poor Sleep - Quantity and Quality

What is Sleep Regression?

Why Do We Dream?

How Does Pain Affect Your Sleep?

Latest Sleep News and Research

Immigrants with health conditions may be denied visas under new Trump administration guidance

Foreigners seeking visas to live in the U.S. might be rejected if they have certain medical conditions, including diabetes or obesity, under a Thursday directive from the Trump administration.

6 Nov 2025

Over-the-counter pain relievers outperform opioids after wisdom tooth extraction

Over-the-counter pain medications work as well or better than opioids after wisdom tooth extraction for both men and women, according to a Rutgers Health-led follow-up to a landmark paper on comparative pain relief.

6 Nov 2025

Low-dose THC mitigates harmful side effects and inflammation caused by HIV treatment

Long-term, low doses of THC mitigate many harmful side effects and inflammation caused by HIV and antiretroviral therapy (ART), according to new research from Texas Biomedical Research Institute.

6 Nov 2025

Why health education isn’t stopping young adults from consuming energy drinks

Polish students' energy drink consumption persists despite awareness of health risks, indicating a need for enhanced education and stricter sales regulations.

6 Nov 2025

New study highlights the impact of pediatric integrative medicine services

A new study conducted by University Hospitals Connor Whole Health highlights the impact of pediatric integrative medicine services.

5 Nov 2025

How gut microbes shape sleep: New review reveals microbiome clues to insomnia and apnea

A new Brain Medicine review maps how gut microbes influence sleep disorders, from insomnia and sleep apnea to circadian disruption, via bile acids, neurotransmitters, and immune pathways. The findings highlight gut-driven targets for improving sleep quality through diet, probiotics, and microbiome modulation.

5 Nov 2025

Researchers discover why living in a deprived neighborhood may raise dementia risk

Cambridge researchers have discovered why living in a disadvantaged neighbourhood may be linked to an increase in an individual's risk of dementia.

5 Nov 2025

Work-related anxiety found to affect thousands of employees in Norway

Bullying and lack of psychological support from managers top the list of workplace factors that can lead to serious mental health problems, according to a new investigation of work-related anxiety in four countries.

4 Nov 2025

GLP-1 drugs calm inflammation beyond diabetes and weight loss

This Journal of Clinical Investigation review describes how glucagon-like peptide-1 (GLP-1)–based medicines reduce systemic and tissue inflammation through both weight-dependent and weight-independent mechanisms. It details preclinical and clinical evidence linking GLP-1 receptor activation to cardiovascular, renal, hepatic, neural, and joint anti-inflammatory effects while outlining uncertainties and future research needs.

4 Nov 2025

Body temperature and offspring size influence brain size in vertebrates

Vertebrates have extremely different brain sizes: even with the same body size, brain size can vary a hundredfold.

4 Nov 2025

Over one-third of men would rather endure stressful situations than discuss prostate health

A new survey from Orlando Health reveals that over one-third of men (38%) would rather endure stressful situations, such as watching their team lose a big game or being stuck in traffic, than discuss their prostate health.

4 Nov 2025

New review illuminates the intricate connections between gut microbiota and sleep regulation

A comprehensive review published today in Brain Medicine illuminates the intricate connections between gut microbiota and sleep regulation, establishing the microbiota-gut-brain axis as a critical pathway in understanding and potentially treating sleep disorders.

4 Nov 2025

Study shows benefits of telemedicine for people with type 1 diabetes

People with type 1 diabetes achieved significantly better long-term blood glucose when their levels were monitored by healthcare professionals in real time, via a sensor under the skin, and they received regular advice in their daily lives.

4 Nov 2025

How artificial light interferes with liver health

People who work against their internal clock over a long period of time increase the risk of fatty liver. The correlations are complex, but one research team in Bochum is trying to get to the bottom of the issue.

4 Nov 2025

Fruit fly study reveals link between sleep deprivation and eating behavior

Sleep patterns and eating habits can influence each other, but the link between these behaviors remains unclear.

3 Nov 2025

Long-term use of melatonin supplements linked to higher risk of heart failure and death

Long-term use of melatonin supplements, often used to promote sleep and address insomnia, was associated with a higher risk of heart failure diagnosis, heart failure hospitalization and death from any cause in chronic insomnia, according to a preliminary study to be presented at the American Heart Association's Scientific Sessions 2025.

3 Nov 2025

Healthy lifestyle habits plus GLP-1 RA drugs can improve heart health of people with Type 2 diabetes

People with Type 2 diabetes who combined healthy lifestyle habits with GLP-1 receptor agonist (GLP-1 RA) medications had a greater reduction in risk of major adverse cardiovascular events, including heart attack, stroke or cardiovascular disease death, compared to people only taking the medication, according to a preliminary study to be presented at the American Heart Association's Scientific Sessions 2025.

3 Nov 2025

Sensory effects of flavanols trigger physiological responses in the brain

Astringency is a dry, puckering, rough, or sandpapery sensation in the mouth caused by plant-derived polyphenols.

31 Oct 2025

19 NCAA women's college basketball coaches join hands to support women’s heart health

Both on the court and off, cardiovascular disease is the leading killer of women in the United States, taking the lives of more than 440,000 women each year, according to the American Heart Association, a relentless force changing the future of health for everyone everywhere.

30 Oct 2025

AI-powered app turns consumer wearables into sleep study devices

An app that turns consumer Apple Watches into tools for highly sophisticated sleep stage monitoring was developed by team of researchers led by professor Joyita Dutta at the University of Massachusetts Amherst.

30 Oct 2025