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?

Types of Sleep Disorders

How Can Mindfulness Meditation Improve Sleep?

Promoting Sounder Sleep in Older Adults

Sleep Deprivation - Inadequate Quantity of Sleep

Causes of Sleep Deprivation

Effect of Sleep on Your Emotions

How Long Should My Teenager Sleep For?

Management of Sleep Deprivation

REM Sleep Activity

Brain Activity During Sleep

Stages of Sleep

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Regulation of Sleep

Function of Sleep

Nutritional Effects on Sleep

Effects of Sleep Deprivation

Neuroscience of Sleep

Stimulants and Sleep

Hypnotics and Sleep

Shift Work Sleep Disorder

What is Delayed Sleep Phase Disorder (DSPD)?

Delayed Sleep Phase Disorder (DSPD) Management

What is the Circadian Rhythm?

Circadian Rhythm Sleep Disorders

What Does Polysomnography Involve?

How Long should my Child Sleep for?

Health Effects of Poor Sleep - Quantity and Quality

How to Catch up on Lost Sleep

Why Do We Sleep?

Sleep Hygiene

Ghrelin and Sleep

Spoon Test for Sleep Deprivation

Can too much sleep be dangerous?

Causes of Nocturnal Awakenings

History of Sleep

Is Daytime Napping in Adults Good or Bad?

Tips on Getting to Sleep

The DEC2 Gene and Sleep

Importance of Sleep

Difference Between Nightmares and Night Terrors

How Does Sleep Affect Your Immunity?

How Does Pain Affect Your Sleep?

Why Do We Dream?

The Health Risks of Oversleeping

A Guide to Managing Sleep Disorders

The Importance of Having a Good Night’s Sleep

Sleep and Yoga

A Guide to Healthy Sleep Positions

How Can Sleep Affect Men's Health?

How Much Sleep do People Need?

Sleep and Hormones

Role of Sleep in Memory Consolidation

What is Sleep Regression?

Does Your Alarm Sound Affect Your Mood?

Could Humans Ever Hibernate?

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

What is the Role of Melatonin in Sleep Regulation?

Latest Sleep News and Research

Researchers uncover link between heart attack severity and circadian rhythm

The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered by researchers at UTHealth Houston, potentially paving the way for innovative treatments that align with the natural circadian rhythm.

23 Apr 2025

Move more, think sharper: How physical activity boosts brain health in aging

A brisk walk, a splash of water aerobics, or even a light jog around the block – if your heart rate goes up then so too will your brain health according to new research from the University of South Australia.

23 Apr 2025

UCLA launches trial of wearable ADHD therapy for children exposed to alcohol in the womb

Researchers at UCLA Health are launching the first clinical trial to test whether a wearable device that delivers gentle nerve stimulation during sleep could ease ADHD symptoms in children with prenatal alcohol exposure.

22 Apr 2025

Children’s mattresses expose sleepers to hidden chemical risks, study finds

A new study tested 16 children’s mattresses and found widespread contamination with harmful semivolatile organic compounds (SVOCs) like plasticizers and flame retardants. These chemicals can migrate into the sleeping environment, increasing children's risk of allergic and neurobehavioral effects.

22 Apr 2025

Longer sleep and earlier bedtimes linked to better brain function in adolescents

Adolescents who sleep for longer – and from an earlier bedtime – than their peers tend to have improved brain function and perform better at cognitive tests, researchers from the UK and China have shown.

22 Apr 2025

Only 13% of French adults have optimal heart health, study finds

Researchers assessed the Life’s Essential 8 cardiovascular health (CVH) scores in over 190,000 French adults, revealing that only 13% had optimal CVH. Higher scores were associated with being younger, female, well-educated, and having healthier lifestyle factors.

21 Apr 2025

Millions in the US live without local air quality monitoring

In 2024, more than 50 million people in the United States lived in counties with no air-quality monitoring, according to a new study from researchers in the Penn State College of Health and Human Development.

21 Apr 2025

Machine learning helps decode exercise motivation and behavior

Sticking to an exercise routine is a challenge many people face. But a University of Mississippi research team is using machine learning to uncover what keeps individuals committed to their workouts.

17 Apr 2025

Study links insomnia and sleep medication to increased disability risk in older adults

Insomnia is a significant health and quality of life concern for older adults, with up to half of all adults over the age of 65 experiencing insomnia symptoms.

17 Apr 2025

The truth about apples, supplements and immunity - What brits get wrong about their health

New research has revealed some of Brits biggest misconceptions when it comes to immune health.

17 Apr 2025

Best time for asthma meds? Try 4 pm

Chronotherapy for asthma reveals that afternoon inhaled corticosteroids significantly improve lung function and reduce nighttime symptoms without side effects.

17 Apr 2025

Toxins in kids’ mattresses and bedding raise health concerns, study shows

A Canadian in-home study found that young children are significantly exposed to semi-volatile organic compounds (SVOCs) in their sleeping environments. Mattresses, bedding, and bedroom furnishings were identified as key sources, with several compounds exceeding expected levels.

17 Apr 2025

Digital technology use linked to lower risk of cognitive decline

As the first generation that interacted with digital technology reaches an age where dementia risks emerge, scientists have asked the question: Is there a correlation between digital technology use and an increased risk of dementia?

15 Apr 2025

Mid afternoon inhaler use may improve nighttime asthma control

A single daily preventer dose of inhaled corticosteroid (beclomethasone), taken mid afternoon, may be the best timing for effective asthma control as it suppresses the usual nocturnal worsening of symptoms more effectively than dosing regimens at other times of the day, suggest the results of a small clinical trial published in the journal Thorax.

15 Apr 2025

Stress and depression help explain intertwined alcohol, sleep problems

Insomnia and hazardous drinking are so closely intertwined that estimates suggest at least one-third, and as many as 91%, of people who have a hard time with sleep also misuse alcohol.

14 Apr 2025

Multidimensional sleep health linked to better cardiometabolic outcomes

Healthy sleep includes multiple components, such as number of hours of sleep per night, how long it takes to fall asleep, daytime functioning and self-reported sleep satisfaction, and addressing these different dimensions of sleep may help to reduce cardiometabolic health and related risk factors, according to a new American Heart Association scientific statement published today in Circulation: Cardiovascular Quality and Outcomes.

14 Apr 2025

A new approach to morning wakefulness using sunlight

Sleep is a necessary part of people's daily routine, but modern lifestyles and technology have ushered in an era of decreased rest time and subsequent fatigue.

14 Apr 2025

Daytime eating shields night shift workers from heart risks

Researchers examine how daytime eating may preserve cardiovascular health among night shift workers.

14 Apr 2025

Sleep fragmentation in diabetes triggers lasting liver damage and cardiovascular risk

This new article publication from Acta Pharmaceutica Sinica B, discusses how diabetes-associated sleep fragmentation impairs liver and heart function via SIRT1-dependent epigenetic modulation of NADPH oxidase 4.

14 Apr 2025

Adolescent obesity in England rises by 50% over 15 years

New research to be presented at this year's European Congress on Obesity (ECO 2025, Malaga, Spain, 11-14 May) shows that the proportion of adolescents living with overweight or obesity in England has increased by 50% from 2008-2010 (22%) to 2021-2023 (33%).

12 Apr 2025