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 Long should my Child Sleep for?

A Guide to Managing Sleep Disorders

History of Sleep

How Long Should My Teenager Sleep For?

Effect of Sleep on Your Emotions

What is Delayed Sleep Phase Disorder (DSPD)?

Effects of Sleep Deprivation

Health Effects of Poor Sleep - Quantity and Quality

Can too much sleep be dangerous?

Neuroscience of Sleep

Delayed Sleep Phase Disorder (DSPD) Management

See more featured articles »

The DEC2 Gene and Sleep

Tips on Getting to Sleep

What is the Circadian Rhythm?

How to Catch up on Lost Sleep

Why Do We Dream?

How Does Pain Affect Your Sleep?

Management of Sleep Deprivation

Promoting Sounder Sleep in Older Adults

How Does Sleep Affect Your Immunity?

Causes of Sleep Deprivation

What is the Role of Melatonin in Sleep Regulation?

Stimulants and Sleep

Why Do We Sleep?

Function of Sleep

Does Your Alarm Sound Affect Your Mood?

Types of Sleep Disorders

Role of Sleep in Memory Consolidation

Sleep Deprivation - Inadequate Quantity of Sleep

Is Daytime Napping in Adults Good or Bad?

The Importance of Having a Good Night’s Sleep

Spoon Test for Sleep Deprivation

What Does Polysomnography Involve?

Hypnotics and Sleep

REM Sleep Activity

What is Sleep Regression?

Sleep and Hormones

Stages of Sleep

Regulation of Sleep

How Can Sleep Affect Men's Health?

The Health Risks of Oversleeping

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Brain Activity During Sleep

Could Humans Ever Hibernate?

How Can Mindfulness Meditation Improve Sleep?

A Guide to Healthy Sleep Positions

Nutritional Effects on Sleep

Causes of Nocturnal Awakenings

Sleep Hygiene

Ghrelin and Sleep

Shift Work Sleep Disorder

Difference Between Nightmares and Night Terrors

How Much Sleep do People Need?

Circadian Rhythm Sleep Disorders

Importance of Sleep

Sleep and Yoga

Latest Sleep News and Research

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

Poor sleep raises injury risk in recreational runners

Research shows that sleep quality and duration are critical for injury prevention in recreational runners, emphasizing sleep's role in athletic performance.

13 Nov 2025

Exosomes identified as key mediators in obstructive sleep apnea and its comorbidities

Obstructive sleep apnea (OSA), a global public health issue marked by repeated upper airway collapse during sleep, is tied to diverse diseases-from cardiovascular conditions to cancer.

12 Nov 2025

Study finds self-pleasure as a valuable care strategy for managing menopause symptoms

A new study from the Kinsey Institute at Indiana University, published in journal Menopause, finds self-pleasure is a valuable care strategy for managing menopause symptoms, especially mood and sleep changes.

12 Nov 2025

Personalized prehabilitation reduces the risk of surgical complications

The weeks leading up to a major surgery can be a time of uncertainty and worry for patients, many of whom anticipate the need for rehabilition to get back on their feet.

12 Nov 2025

Stress-induced neuron loss shown to disrupt blood flow and neural communication

While the exact causes of neurodegenerative brain diseases like Alzheimer's and dementia are still largely unknown, researchers have been able to identify a key characteristic in affected brains: reduced blood flow.

11 Nov 2025

Self-guided hypnosis offers safe relief from menopausal hot flashes

Can a simple daily audio hypnosis session help women find relief from one of menopause's most disruptive symptoms – hot flashes – without medication? A new clinical trial led by Baylor University's Gary R. Elkins, Ph.D., professor of psychology and neuroscience and director of the Mind-Body Medicine Research Laboratory, suggests it can.

11 Nov 2025

Study reveals how neural excitability and learning potential fluctuate across the day

Our brains do not react in a fixed, mechanical way like electronic circuits. Even if we see the same scene every day on our commute to work, what we feel - and whether it leaves a lasting impression - depends on our internal state at that moment.

11 Nov 2025

Blue Zones and ACLM launch certification empowering clinicians to promote longevity and well-being

Blue Zones and the American College of Lifestyle Medicine (ACLM) today launched the "Blue Zones Certification Course for Physicians and Health Professionals."

11 Nov 2025

Metformin shows promise in treating AFib recurrence after ablation

People with atrial fibrillation (AFib) and obesity may have fewer episodes of AFib after ablation if they take the diabetes medication metformin in addition to standard care, according to a preliminary, late-breaking science presentation today at the American Heart Association's Scientific Sessions 2025.

11 Nov 2025

Listening to slow-tempo music may boost sleep quality for people over 50

Music therapy significantly improves sleep quality in adults aged 50 and above, showing a moderate-to-large effect compared with control conditions. However, high heterogeneity and methodological weaknesses mean the evidence remains of very low certainty and requires confirmation in larger, standardized trials.

10 Nov 2025

Type 2 diabetes patients face an elevated risk of hearing loss

As the United States observes American Diabetes Month this November, a comprehensive study published in Otolaryngology–Head and Neck Surgery, the peer-reviewed journal of the American Academy of Otolaryngology–Head and Neck Surgery Foundation, reveals that individuals with type 2 diabetes face a significantly elevated risk of hearing loss-a complication that often goes unrecognized and unscreened.

10 Nov 2025