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?

How Can Mindfulness Meditation Improve Sleep?

How Does Pain Affect Your Sleep?

A Guide to Managing Sleep Disorders

Stimulants and Sleep

Why Do We Dream?

A Guide to Healthy Sleep Positions

Nutritional Effects on Sleep

Causes of Sleep Deprivation

Importance of Sleep

Causes of Nocturnal Awakenings

Sleep and Hormones

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How to Catch up on Lost Sleep

What Does Polysomnography Involve?

Circadian Rhythm Sleep Disorders

The DEC2 Gene and Sleep

How Does Sleep Affect Your Immunity?

Function of Sleep

Neuroscience of Sleep

Types of Sleep Disorders

How Long Should My Teenager Sleep For?

Brain Activity During Sleep

What is the Role of Melatonin in Sleep Regulation?

Difference Between Nightmares and Night Terrors

Shift Work Sleep Disorder

What is the Circadian Rhythm?

Sleep and Yoga

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

What is Sleep Regression?

How Long should my Child Sleep for?

Tips on Getting to Sleep

Sleep Deprivation - Inadequate Quantity of Sleep

Does Your Alarm Sound Affect Your Mood?

Health Effects of Poor Sleep - Quantity and Quality

What is Delayed Sleep Phase Disorder (DSPD)?

Effect of Sleep on Your Emotions

Management of Sleep Deprivation

Hypnotics and Sleep

Ghrelin and Sleep

How Much Sleep do People Need?

Stages of Sleep

The Health Risks of Oversleeping

Delayed Sleep Phase Disorder (DSPD) Management

REM Sleep Activity

Could Humans Ever Hibernate?

History of Sleep

Role of Sleep in Memory Consolidation

Is Daytime Napping in Adults Good or Bad?

How Can Sleep Affect Men's Health?

Sleep Hygiene

Can too much sleep be dangerous?

The Importance of Having a Good Night’s Sleep

Spoon Test for Sleep Deprivation

Effects of Sleep Deprivation

Regulation of Sleep

Why Do We Sleep?

Promoting Sounder Sleep in Older Adults

Latest Sleep News and Research

Ultraprocessed diets affect teens and young adults differently

A study reveals that adolescents consume more calories on ultraprocessed diets, highlighting a critical vulnerability in modern food environments.

21 Nov 2025

Oral GLP-1 pill shows strong weight loss and blood sugar benefits in adults with diabetes

A new oral GLP-1 medication can help adults with obesity and Type 2 diabetes lose more weight and improve their blood sugar levels compared to a placebo, according to findings from the ATTAIN-2 trial led by a UTHealth Houston researcher.

20 Nov 2025

Nationwide study maps epilepsy incidence rates among older adults in the United States

A first-of-its-kind nationwide study has mapped epilepsy incidence rates among older adults in the United States and identified key social and environmental factors associated with the neurological condition.

20 Nov 2025

Midlife exercise cuts dementia risk by up to 45 percent, new study shows

Higher physical activity in midlife and late life is linked to a substantially lower risk of all-cause and Alzheimer’s dementia. Midlife benefits are strongest for moderate or heavy activity, while late-life activity is protective across all intensity levels.

20 Nov 2025

Study shows how ketogenic eating improves hormonal balance in PCOS

The very low-carbohydrate ketogenic diet leads to meaningful reductions in weight, visceral adiposity, insulin resistance, and androgen excess in women with PCOS based on pooled randomized trials. Benefits appear consistent across studies, though high heterogeneity, short durations, and limited safety data highlight the need for longer-term comparative research.

19 Nov 2025

Coffee protects the brain, metabolism, and immunity at the molecular level

This review uncovers the molecular networks of coffee's compounds, showcasing their antioxidant and neuroprotective effects on immunity and metabolism.

19 Nov 2025

People with both sleep apnea and insomnia more likely to have high blood pressure

The likelihood of high blood pressure is clearly higher among people who have both sleep apnea and insomnia. This is shown by a study from the University of Gothenburg.

18 Nov 2025

New robotic testing method reveals overlooked proprioception deficits after stroke

A decade ago, at age 55, Don Lewis suffered a stroke in his sleep. When he woke up, he couldn't move his left arm or leg. Lewis' neighbor realized his truck hadn't moved in two days and called 911 for a welfare check. When paramedics found him, he was paralyzed on one side.

17 Nov 2025

Large sleep-tracking study reveals toll of early workouts on collegiate athletes

A study using more than 27,000 sleep records of collegiate athletes provides the best evidence to date that early morning team practices take a toll on healthy sleep.

17 Nov 2025

Chronic pain in adults linked to increased risk of developing high blood pressure

Chronic pain in adults may increase their risk of high blood pressure, and the location and extent of pain and if they also had depression were contributing factors, according to new research published today in Hypertension, an American Heart Association journal.

17 Nov 2025

Low-intensity noise therapy shows how tuning sound to the brain can ease tinnitus

LINTS, a non-masking low-intensity noise tuned to each patient’s tinnitus frequency, produced statistically significant but modest reductions in tinnitus burden in a phase II clinical trial. Improvements were confined to the treatment-only group, with high individual variability and strong dependence on precise acoustic fitting.

16 Nov 2025

Dash diet cuts diabetes complications by targeting blood pressure kidney health and inflammation

The DASH diet supports metabolic health in people with diabetes by improving blood pressure, renal function, lipids, and modest glycemic markers while reducing risks linked to vascular and inflammatory pathways. Its broad nutrient-driven mechanisms also benefit related conditions such as neuropathy, PCOS, and retinopathy, making it a versatile tool for cardiometabolic care.

16 Nov 2025

Testing nicotinamide riboside as a potential aid for long COVID recovery

Chao-Yi Wu, PhD, OT, from the Department of Neurology and Edmarie Guzmán-Vélez, PhD, of the Department of Psychiatry at Mass General Brigham, are the lead and senior authors of a paper published in eClinicalMedicine, "Effects of Nicotinamide Riboside on NAD+ Levels, Cognition, and Symptom Recovery in Long-COVID: A Randomized Controlled Trial."

14 Nov 2025

Portrayal of lorazepam use inTV series associated with increased online searches for the drug

In season three of the hit television series The White Lotus, the character Victoria Ratliff takes the prescription anti-anxiety medication lorazepam to help with her social anxiety and inability to sleep.

14 Nov 2025

New insights into glioblastoma survival linked to brain fluid dynamics

Glioblastoma-the most aggressive form of brain cancer-remains one of medicine's biggest challenges. Despite surgery, radiotherapy, and chemotherapy, most patients survive only about a year after diagnosis.

14 Nov 2025

Self-hypnosis cuts menopausal hot flashes by half

Self-administered hypnosis effectively alleviates hot flashes in menopausal women, enhancing quality of life and providing an alternative to hormone therapy.

14 Nov 2025

Social media addiction linked to poor sleep in Bangladeshi students

A new study published in Nature and Science of Sleep reveals a strong connection between social media addiction and poor sleep quality among high school graduates in Bangladesh, offering fresh insights into the mental health and digital habits of young people.

13 Nov 2025