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.

Difference Between Nightmares and Night Terrors

History of Sleep

The Health Risks of Oversleeping

What is Delayed Sleep Phase Disorder (DSPD)?

Sleep and Hormones

Why Do We Dream?

Effect of Sleep on Your Emotions

A Guide to Healthy Sleep Positions

Stimulants and Sleep

Causes of Sleep Deprivation

Sleep and Yoga

See more featured articles »

How Does Pain Affect Your Sleep?

Spoon Test for Sleep Deprivation

The DEC2 Gene and Sleep

Sleep Hygiene

Tips on Getting to Sleep

Sleep Deprivation - Inadequate Quantity of Sleep

Neuroscience of Sleep

Why Do We Sleep?

Role of Sleep in Memory Consolidation

Shift Work Sleep Disorder

How Does Sleep Affect Your Immunity?

Ghrelin and Sleep

Does Your Alarm Sound Affect Your Mood?

REM Sleep Activity

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Function of Sleep

Hypnotics and Sleep

Brain Activity During Sleep

What is the Role of Melatonin in Sleep Regulation?

Stages of Sleep

Types of Sleep Disorders

The Importance of Having a Good Night’s Sleep

Could Humans Ever Hibernate?

What Does Polysomnography Involve?

Regulation of Sleep

Can too much sleep be dangerous?

Delayed Sleep Phase Disorder (DSPD) Management

Importance of Sleep

Health Effects of Poor Sleep - Quantity and Quality

Promoting Sounder Sleep in Older Adults

What is the Circadian Rhythm?

How Can Sleep Affect Men's Health?

Nutritional Effects on Sleep

What is Sleep?

A Guide to Managing Sleep Disorders

Effects of Sleep Deprivation

What is Sleep Regression?

Causes of Nocturnal Awakenings

How Much Sleep do People Need?

How to Catch up on Lost Sleep

Circadian Rhythm Sleep Disorders

How Can Mindfulness Meditation Improve Sleep?

Is Daytime Napping in Adults Good or Bad?

Management of Sleep Deprivation

How Long Should My Teenager Sleep For?

How Long should my Child Sleep for?

Latest Sleep News and Research

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

Eating earlier in the day is linked to lower nighttime glucose in gestational diabetes

A secondary analysis of a randomized trial examined whether the timing of the first daily meal affects 24-hour glucose patterns in pregnancies with gestational diabetes. Earlier first meals were associated with lower nocturnal glucose levels and an earlier daily glucose rhythm, although overall glycaemic control metrics were similar between groups.

11 Mar 2026

Multiple concussions linked to slightly worse health in former college athletes

In former college athletes, having had three or more concussions was associated with slightly worse physical, mental, behavioral and cognitive health five years after graduation, according to an article published March 11, 2026, in Neurology, the medical journal of the American Academy of Neurology.

11 Mar 2026

Social isolation and loneliness raise cognitive decline risk in perimenopausal women

The relationship between social connections and cognitive abilities is a complex one, particularly during the perimenopausal period when women transition from the reproductive period to menopause.

11 Mar 2026

ADHD prescriptions surged during the COVID-19 pandemic

A study reveals COVID-19 reshaped stimulant prescribing patterns in Ontario, highlighting increased ADHD diagnoses and concerns over treatment appropriateness.

11 Mar 2026

New review calls for biologically grounded approach to psychiatric diagnosis

A comprehensive invited review published today in Brain Medicine confronts one of the most persistent paradoxes in modern medicine: psychiatry remains the only major clinical discipline that diagnoses complex illness primarily through conversation and symptom checklists, while fields such as oncology and cardiology long ago embraced laboratory markers, imaging, and molecular profiling.

10 Mar 2026

Using a smartwatch to detect changes in brain health

Can smartphones or smartwatches help detect early signs of neurological or mental illness? Researchers at the University of Geneva (UNIGE) monitored a group of participants wearing connected devices, and used artificial intelligence to analyze data such as heart rate, physical activity, sleep and air pollution.

10 Mar 2026