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?

Could Humans Ever Hibernate?

The Health Risks of Oversleeping

Promoting Sounder Sleep in Older Adults

Spoon Test for Sleep Deprivation

Sleep Deprivation - Inadequate Quantity of Sleep

How Long should my Child Sleep for?

Circadian Rhythm Sleep Disorders

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Causes of Nocturnal Awakenings

Can too much sleep be dangerous?

Types of Sleep Disorders

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Regulation of Sleep

Role of Sleep in Memory Consolidation

Brain Activity During Sleep

Why Do We Dream?

How Much Sleep do People Need?

A Guide to Healthy Sleep Positions

What is the Role of Melatonin in Sleep Regulation?

How Can Sleep Affect Men's Health?

Health Effects of Poor Sleep - Quantity and Quality

Shift Work Sleep Disorder

Stages of Sleep

How Does Sleep Affect Your Immunity?

Ghrelin and Sleep

A Guide to Managing Sleep Disorders

Tips on Getting to Sleep

What is Delayed Sleep Phase Disorder (DSPD)?

The Importance of Having a Good Night’s Sleep

What is the Circadian Rhythm?

Importance of Sleep

How Can Mindfulness Meditation Improve Sleep?

Stimulants and Sleep

What Does Polysomnography Involve?

Sleep Hygiene

Function of Sleep

The DEC2 Gene and Sleep

Sleep and Hormones

Effect of Sleep on Your Emotions

REM Sleep Activity

Hypnotics and Sleep

Effects of Sleep Deprivation

Causes of Sleep Deprivation

Does Your Alarm Sound Affect Your Mood?

Why Do We Sleep?

Nutritional Effects on Sleep

How Does Pain Affect Your Sleep?

Is Daytime Napping in Adults Good or Bad?

What is Sleep Regression?

History of Sleep

How to Catch up on Lost Sleep

Sleep and Yoga

Management of Sleep Deprivation

Neuroscience of Sleep

How Long Should My Teenager Sleep For?

Difference Between Nightmares and Night Terrors

Delayed Sleep Phase Disorder (DSPD) Management

Latest Sleep News and Research

Depression during pregnancy raises risk of gestational diabetes

Findings indicate that antenatal depression increases the risk of gestational diabetes, underscoring the need for early intervention and lifestyle support.

8 Oct 2025

Multiple aspects of sleep linked to individual variation in health, cognition, and lifestyle

Researchers led by Aurore Perrault at Concordia University, Canada and Valeria Kebets at McGill University, Canada, have used a complex data-driven analysis to uncover relationships among multiple aspects of sleep and individual variation in health, cognition, and lifestyle.

7 Oct 2025

Brain stimulation may help people with multiple sclerosis cut back on excessive cannabis use

A noninvasive device that delivers weak electrical currents to the brain may help those with multiple sclerosis cut back on excessive cannabis use, a new NYU Langone Health study of women with the condition shows.

7 Oct 2025

Parent-focused interventions do not work to prevent childhood obesity

An international study involving over 9,000 children reveals that measures aimed at parents do not work to prevent childhood obesity.

7 Oct 2025

Huawei smartwatch nearly matches gold-standard sleep test

A study reveals the HUAWEI WATCH GT2 smartwatch accurately tracks sleep stages, yet it falls short in diagnosing sleep disorders compared to PSG.

7 Oct 2025

Study links brain waves to misremembering of negative, irrelevant information

A good night's sleep has long been understood to help us consolidate new memories, but we don't understand how. Associations with negative feelings like fear or stress can improve recall, but intentionally trying to remember can also be effective. But these two mechanisms are very different - one involuntary, one deliberate.

7 Oct 2025

Harnessing AI tools for better treatment of serious mental illnesses

Serious mental illnesses (SMI) take a tremendous toll on individuals, their friends and family, and society as a whole.

6 Oct 2025

UIC studies reveal rise in lidocaine poisonings despite overall drop in anesthetic deaths

Over the last decade, poisonings and deaths linked to the use of local anesthetics have decreased. Even so, poisonings from one commonly used anesthetic, lidocaine, have increased in the United States, according to two new studies from the University of Illinois Chicago.

6 Oct 2025

Unfavorable patterns of heart health through young adulthood linked to increased CVD risk later in life

Despite progress in past decades to reduce the burden of cardiovascular disease (CVD), it remains the leading cause of death in the U.S. and worldwide.

6 Oct 2025

Study reveals gaps between parents’ perceptions and children’s actual sleep

While many parents assume that putting a child to bed means they will quickly be asleep, a new study from researchers at Brown University found that's often not the case.

6 Oct 2025

Long commutes and small homes linked to insomnia in Tokyo adults

Researchers examine the relationship between commute time and house area with insomnia and daytime sleepiness.

6 Oct 2025

Low back pain cases in postmenopausal women doubled in 30 years

The burden of back pain in postmenopausal women has nearly doubled since 1990, driven by high BMI and metabolic health, necessitating focused health strategies.

6 Oct 2025

Depression can affect surgical outcomes and postoperative costs

Depression is known to be associated with physical health challenges, in everything from disrupting sleep to an increased cancer risk.

3 Oct 2025

Researchers link high-volume listening habits to future hearing damage in young people

Music is more of a personal experience for young people and plays a significant role in their well-being and emotional regulation. However, using headphones almost around the clock risks leading to hearing damage. Research at Orebro University lends support to initiatives to raise awareness about high sound levels and the problems this may cause for society in the future.

3 Oct 2025

Shift workers face higher risk of developing kidney stones

A study evaluating how various shift work patterns contribute to kidney stone risk has revealed that shift workers have a 15% higher risk of developing kidney stones, especially younger workers and those with low levels of manual labor.

2 Oct 2025

Yogurt and sleep in infancy may shape memory skills by age four

A study links early-life habits, like yogurt intake and sleep duration, to memory development in preschoolers, highlighting their impact on cognitive skills.

1 Oct 2025

Poor sleep habits associated with faster aging of the brain

People who sleep poorly are more likely than others to have brains that appear older than they actually are.

30 Sep 2025

Cannabis extract eases chronic back pain and improves quality of life in major clinical trial

A phase 3 trial in Nature Medicine found that a full-spectrum Cannabis sativa extract (VER-01) significantly reduced chronic low back pain and improved sleep and function compared with placebo. The extract was safe, well-tolerated, and showed no signs of abuse or dependence, with benefits maintained over long-term treatment.

30 Sep 2025

Breakthrough discovery reveals HIV’s survival strategy in human cells

For over three decades, HIV has played an elaborate game of hide-and-seek with researchers, making treating-and possibly even curing-the disease a seemingly insurmountable obstacle to achieve.

29 Sep 2025

How air pollution harms kids’ eyesight, and why clean air makes a difference

Improving air quality may safeguard children's vision, with findings revealing a strong connection between pollution and myopia in school environments.

29 Sep 2025