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.

A Guide to Managing Sleep Disorders

History of Sleep

The DEC2 Gene and Sleep

Effects of Sleep Deprivation

Regulation of Sleep

What is the Circadian Rhythm?

Sleep Hygiene

Types of Sleep Disorders

Stimulants and Sleep

Management of Sleep Deprivation

Can too much sleep be dangerous?

See more featured articles »

Neuroscience of Sleep

What is Delayed Sleep Phase Disorder (DSPD)?

Is Daytime Napping in Adults Good or Bad?

How Much Sleep do People Need?

Brain Activity During Sleep

Difference Between Nightmares and Night Terrors

Stages of Sleep

How to Catch up on Lost Sleep

The Health Risks of Oversleeping

Sleep and Yoga

Why Do We Sleep?

Circadian Rhythm Sleep Disorders

A Guide to Healthy Sleep Positions

Tips on Getting to Sleep

What is the Role of Melatonin in Sleep Regulation?

REM Sleep Activity

Hypnotics and Sleep

Promoting Sounder Sleep in Older Adults

Why Do We Dream?

Causes of Sleep Deprivation

Does Your Alarm Sound Affect Your Mood?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Shift Work Sleep Disorder

How Long Should My Teenager Sleep For?

Ghrelin and Sleep

How Does Sleep Affect Your Immunity?

Importance of Sleep

Health Effects of Poor Sleep - Quantity and Quality

Sleep and Hormones

Could Humans Ever Hibernate?

What is Sleep?

What is Sleep Regression?

Sleep Deprivation - Inadequate Quantity of Sleep

Function of Sleep

Spoon Test for Sleep Deprivation

Role of Sleep in Memory Consolidation

How Long should my Child Sleep for?

Delayed Sleep Phase Disorder (DSPD) Management

Nutritional Effects on Sleep

How Can Mindfulness Meditation Improve Sleep?

Effect of Sleep on Your Emotions

Causes of Nocturnal Awakenings

How Does Pain Affect Your Sleep?

What Does Polysomnography Involve?

How Can Sleep Affect Men's Health?

The Importance of Having a Good Night’s Sleep

Latest Sleep News and Research

Early morning workouts may improve cardiometabolic health

People who regularly exercised early in the morning were significantly less likely to have coronary artery disease, high blood pressure, Type 2 diabetes or obesity compared with people who exercised later in the day, according to a study being presented at the American College of Cardiology's Annual Scientific Session (ACC.26).

19 Mar 2026

Menopause may raise women’s Alzheimer risk earlier than doctors once thought

This review argues that women’s higher Alzheimer disease risk may be shaped in part by midlife neuroendocrine aging, especially the menopause transition, rather than by longevity alone. It highlights early menopause, bilateral oophorectomy, vasomotor symptoms, and midlife cognitive changes as underinvestigated but potentially important risk markers, while calling for sex-specific, biomarker-driven prevention strategies.

18 Mar 2026

Better cardiovascular health scores linked to lower mortality in postmenopausal women

Life's Essential 8 (LE8) and Life's Crucial 9 (LC9) from the American Heart Association are industry-accepted metrics that summarize overall cardiovascular health.

18 Mar 2026

Burnout crisis demands science-based strategies beyond self-care solutions

Burnout is at an all-time high, with some studies saying two-thirds of employees now cite job burnout as a major challenge.

18 Mar 2026

More US adolescents are obese but fewer are trying to lose weight

The rising obesity rates in American adolescents, coupled with declining weight-loss efforts, signal urgent needs for targeted public health interventions.

18 Mar 2026

Breakfast, exercise, and sleep linked to better mental resilience

Do you ever feel mentally stuck, like you can't cope when a stressful situation hits? A healthy breakfast, exercise, and a good night's sleep might be just what you need to build psychological flexibility, and new research from Binghamton University shows why that matters.

17 Mar 2026

Patients who stop GLP-1 drugs often restart or try alternatives

The study highlights that after stopping GLP-1 medications, many patients resume treatment or try alternatives, influencing weight management strategies.

17 Mar 2026

Sleep-like brain activity linked to attention lapses in ADHD

New from JNeurosci, Elaine Pinggal, from Monash University, and colleagues assessed how sleep-like brain activity in awake adults influences sustained attention during a task.

16 Mar 2026

Brain breathing mechanism linked to persistent high blood pressure

A brain mechanism may explain why approximately 40% of people with hypertension continue to have high blood pressure despite taking medication. The discovery reveals potential targets for new treatments.

16 Mar 2026

Global indicators identified to monitor health before pregnancy worldwide

The key health and social indicators needed for a new global system to monitor people's health before pregnancy have been identified for the first time by researchers at University College London and the University of Southampton.

16 Mar 2026

Doctors treating sickle cell disease report the highest burnout rates

Sickle cell disease specialists face higher burnout rates than peers, impacting patient care and highlighting the need for systemic support in healthcare.

16 Mar 2026

Brain waste clearance dysfunction may predict the onset of psychosis

How can we explain the onset of psychotic symptoms characteristic of schizophrenia? Despite their major and often irreversible impact on intellectual abilities and autonomy, the biological mechanisms that precede their emergence remain poorly understood.

16 Mar 2026

Skipping breakfast may raise metabolic syndrome risk

The link between skipping breakfast and metabolic syndrome highlights the need for dietary strategies to improve cardiometabolic health in at-risk populations.

16 Mar 2026

Can Ashwagandha gummies help kids focus better?

A study shows Ashwagandha gummies may enhance cognitive performance and sleep quality in children, offering a safe herbal approach to support development.

16 Mar 2026

Updated guideline emphasizes earlier treatment for high cholesterol

The American College of Cardiology (ACC), the American Heart Association and nine other leading medical associations, today issued an updated guideline for the management of dyslipidemia-abnormal levels of one or more types of lipids or lipoproteins in the blood, including cholesterol and triglycerides.

13 Mar 2026

Lifelong tracking of fish reveals early behavioral signals of aging

Scientists tracking the entire life of the African turquoise killifish have discovered that behavior alone can predict whether an animal will live a long or short life.

12 Mar 2026

Study identifies seven distinct types of hyperarousal across mental disorders

Hyperarousal plays an important role in mental disorders. It influences the severity of insomnia, depression, anxiety, post-traumatic stress disorder (PTSD), and ADHD.

12 Mar 2026

Japanese study evaluates sleep architecture and safety of common insomnia drugs

OSA is a common sleep disorder characterized by oxygen desaturation due to repeated airway collapse during sleep.

12 Mar 2026

Everyday wearable data could reveal early brain health signals

Wearable sensors combined with AI offer a novel approach to continuous monitoring of cognitive and emotional health, detecting early changes in brain function.

12 Mar 2026

Does coffee disrupt sleep? Large population study suggests the impact may be minimal

A large cross-sectional analysis of 25,381 Swedish adults aged 50–64 found that habitual coffee consumption showed only very weak associations with sleep quality and daytime sleepiness. Genetic analyses confirmed known coffee-related variants and suggested that long-term caffeine exposure may lead to adaptation in the brain’s adenosine signaling system.

11 Mar 2026