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.

Delayed Sleep Phase Disorder (DSPD) Management

Brain Activity During Sleep

Function of Sleep

Could Humans Ever Hibernate?

Sleep Hygiene

Sleep Deprivation - Inadequate Quantity of Sleep

Causes of Nocturnal Awakenings

How Much Sleep do People Need?

Role of Sleep in Memory Consolidation

Does Your Alarm Sound Affect Your Mood?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

See more featured articles »

Sleep and Hormones

The DEC2 Gene and Sleep

Can too much sleep be dangerous?

Difference Between Nightmares and Night Terrors

A Guide to Healthy Sleep Positions

How Long should my Child Sleep for?

What is the Circadian Rhythm?

Sleep and Yoga

Shift Work Sleep Disorder

How Long Should My Teenager Sleep For?

Importance of Sleep

How Does Sleep Affect Your Immunity?

Tips on Getting to Sleep

Promoting Sounder Sleep in Older Adults

What is Delayed Sleep Phase Disorder (DSPD)?

History of Sleep

The Health Risks of Oversleeping

How Does Pain Affect Your Sleep?

Health Effects of Poor Sleep - Quantity and Quality

Effect of Sleep on Your Emotions

Neuroscience of Sleep

Spoon Test for Sleep Deprivation

How to Catch up on Lost Sleep

Why Do We Sleep?

Stimulants and Sleep

REM Sleep Activity

Regulation of Sleep

What Does Polysomnography Involve?

Is Daytime Napping in Adults Good or Bad?

Causes of Sleep Deprivation

Effects of Sleep Deprivation

A Guide to Managing Sleep Disorders

How Can Sleep Affect Men's Health?

Management of Sleep Deprivation

Hypnotics and Sleep

Why Do We Dream?

What is the Role of Melatonin in Sleep Regulation?

Types of Sleep Disorders

The Importance of Having a Good Night’s Sleep

Nutritional Effects on Sleep

Ghrelin and Sleep

Circadian Rhythm Sleep Disorders

What is Sleep?

How Can Mindfulness Meditation Improve Sleep?

Stages of Sleep

What is Sleep Regression?

Latest Sleep News and Research

Researchers find no meaningful health impacts from wind energy turbines

A joint research paper involving work from the University of Pittsburgh has found that, despite some public concern, turbines used to produce wind energy are not responsible for any detectable adverse health outcomes.

21 May 2026

Machine learning lifestyle coaching helps reduce major depressive symptoms

More than 21% of U.S. adults experience depression, greatly impacting their quality of life. Many people with mild‑to‑moderate depression can improve their symptoms by adjusting daily habits like sleep, exercise, diet and social interaction, according to Jyoti Mishra, PhD, associate professor of psychiatry at University of California San Diego School of Medicine.

21 May 2026

Oral AD109 improves sleep apnea severity but tolerability remains a challenge

AD109, an investigational once-daily oral combination of aroxybutynin and atomoxetine, significantly improved airway obstruction and oxygenation in adults with mild-to-severe obstructive sleep apnea who could not use PAP therapy. However, symptom improvements did not clearly differ from placebo, and about one in five AD109 recipients discontinued treatment due to adverse events.

21 May 2026

Poor sleep may flag early Alzheimer’s risk in genetically vulnerable older women

Poorer subjective sleep quality was linked to worse visual memory and greater limbic tau burden in older women with higher genetic risk for Alzheimer’s disease. The findings suggest sleep complaints may help identify women at elevated risk for early AD-related brain and cognitive changes, but larger longitudinal studies are needed.

20 May 2026

Positional therapy trains sleep apnea patients for long-term recovery

Positional therapy can be a long-lasting and effective treatment for patients with positional obstructive sleep apnea (OSA), according to research presented at the 2026 ATS International Conference.

20 May 2026

Early CPAP nonadherence does not predict long-term treatment failure

Many insurers stop covering continuous positive airway pressure or CPAP devices if patients don't use them regularly in the first 90 days.

20 May 2026

Women may face greater cognitive impact from dementia risk factors

Researchers from the University of California San Diego School of Medicine found that women not only experience a higher burden of certain modifiable dementia risk factors, but also appear more vulnerable to their effects on cognitive function.

20 May 2026

Vitamin D deficiency linked to higher postoperative breast cancer pain

Vitamin D deficiency is associated with more moderate to severe pain following breast cancer surgery and an increased consumption of opioid drugs, finds research published online in the journal Regional Anesthesia & Pain Medicine.

19 May 2026

New guidelines urge earlier cholesterol treatment to prevent heart disease

Doctors should consider treating high cholesterol much earlier and more aggressively than they have in the past, according to a new perspective by Weill Cornell Medicine, NewYork-Presbyterian and Yale School of Medicine investigators.

19 May 2026

Researchers identity patients with exceptional tirzepatide response outcomes

Tirzepatide GLP-1 medication is known to improve sleep apnea for people with both obstructive sleep apnea (OSA) and obesity, but not all patients benefit equally.

19 May 2026

Pennington and Vanderbilt launch major study on childhood obesity treatment

Pennington Biomedical Research Center, in collaboration with Vanderbilt University Medical Center, has launched a research study, the COACH trial, to test different ways to help children and their families improve their health through lifestyle changes delivered by primary care clinics in communities in Louisiana and Tennessee.

19 May 2026

Real-time narration, head safety, and biometrics with wearables

Wearables can bridge the communication gap between the body and a computer. They can serve various purposes, from displaying real-time narration from actual speech, to generating readable, measurable signals translated directly from the body and understood within the medical space.

19 May 2026

New skin patch could replace bulky polygraphs and sleep monitors

A novel wireless chest patch enables continuous monitoring of stress signals, enhancing psychophysiological assessment in clinical and real-world settings.

19 May 2026

Pregnancy-related disorders may shape offspring heart health into adulthood

Hypertensive disorders in pregnancy may lead to lasting cardiovascular issues in offspring, highlighting the need for improved maternal health strategies.

19 May 2026

Sleep disturbances during pregnancy may be a risk factor for gestational diabetes

A recent study by Kuopio University Hospital and the University of Eastern Finland shows that sleep disturbances during pregnancy may be a significant risk factor for gestational diabetes mellitus (GDM).

19 May 2026

Stem cell infusions improve symptoms in butterfly skin disease

The intravenous infusion of mesenchymal stem cells from family donors is safe and improves symptoms such as pruritus (itching), sleep disturbances, and fatigue associated with Recessive Dystrophic Epidermolysis Bullosa (RDEB), popularly known as "butterfly skin".

18 May 2026

Mental disorders affect one in three pregnant women, and violence may be a key driver

A systematic review and meta-analysis of 18 studies involving 17,380 pregnant women found that common mental disorders affected about one-third of participants across studies from Africa, Asia, and South America. The analysis found strong regional variation and identified intimate partner violence as the only statistically significant risk factor, with affected women having about 2.6-fold higher odds of CMDs.

18 May 2026

Discovery of memory switch in the brain opens new avenues for dementia therapies

"Why do patients with dementia or cognitive decline remain stuck in past memories?" KAIST researchers have identified, for the first time in the world, the existence of a "neural switch" in the brain that selectively retrieves the most recent memories.

18 May 2026

Sleep complaints highlight Alzheimer's risk in genetically predisposed women

Sleep complaints may be an important Alzheimer's disease risk factor in older women with a higher genetic predisposition to the disease, according to a new study from researchers at the University of California San Diego.

18 May 2026

Once-nightly oral pill helps control obstructive sleep apnea

A once-nightly oral pill helped control obstructive sleep apnea in a large, phase 3 clinical trial presented at the 2026 ATS International Conference.

18 May 2026