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.

Is Daytime Napping in Adults Good or Bad?

Hypnotics and Sleep

Tips on Getting to Sleep

History of Sleep

Function of Sleep

Sleep Hygiene

Effect of Sleep on Your Emotions

Does Your Alarm Sound Affect Your Mood?

What is Sleep Regression?

Shift Work Sleep Disorder

Sleep and Yoga

See more featured articles »

What is Delayed Sleep Phase Disorder (DSPD)?

Importance of Sleep

What is the Role of Melatonin in Sleep Regulation?

Neuroscience of Sleep

Stages of Sleep

The DEC2 Gene and Sleep

Sleep Onset Mechanics: Understanding the Transition from Wakefulness to Slumber

Delayed Sleep Phase Disorder (DSPD) Management

How Does Sleep Affect Your Immunity?

Management of Sleep Deprivation

Effects of Sleep Deprivation

A Guide to Healthy Sleep Positions

Nutritional Effects on Sleep

How Much Sleep do People Need?

Can too much sleep be dangerous?

How Can Mindfulness Meditation Improve Sleep?

Stimulants and Sleep

How Does Pain Affect Your Sleep?

What is the Circadian Rhythm?

The Importance of Having a Good Night’s Sleep

Health Effects of Poor Sleep - Quantity and Quality

Causes of Sleep Deprivation

Why Do We Sleep?

Promoting Sounder Sleep in Older Adults

What is Sleep?

Could Humans Ever Hibernate?

Brain Activity During Sleep

Role of Sleep in Memory Consolidation

Causes of Nocturnal Awakenings

The Health Risks of Oversleeping

Sleep and Hormones

Difference Between Nightmares and Night Terrors

Circadian Rhythm Sleep Disorders

Ghrelin and Sleep

Spoon Test for Sleep Deprivation

What Does Polysomnography Involve?

REM Sleep Activity

How to Catch up on Lost Sleep

A Guide to Managing Sleep Disorders

How Long Should My Teenager Sleep For?

How Can Sleep Affect Men's Health?

How Long should my Child Sleep for?

Regulation of Sleep

Types of Sleep Disorders

Sleep Deprivation - Inadequate Quantity of Sleep

Why Do We Dream?

Latest Sleep News and Research

Large trials show statins rarely cause reported side effects

Cardiovascular disease results in around 20 million deaths worldwide and causes around a quarter of all deaths in the UK.

5 Feb 2026

Study finds ADHD symptoms linked to higher internet addiction risk in college students

A cross-sectional study of Chinese college students found ADHD symptoms were associated with internet addiction, with insomnia and executive dysfunction acting as mediating factors. Moderate and high physical activity levels were also linked with lower internet addiction symptoms, although causality cannot be inferred.

4 Feb 2026

Brain network discovery opens new path for Parkinson’s treatment

Parkinson's disease, a progressive neurological disorder affecting more than 1 million people in the U.S. and more than 10 million globally, is characterized by debilitating symptoms such as tremors, movement difficulties, sleep disturbances and cognitive impairments.

4 Feb 2026

Hormone therapy reduces abnormal nerve growth in chronic back pain

Low back pain (LBP) is one of the most common health problems worldwide, affecting people of all ages and placing a heavy burden on healthcare systems. Many patients experience persistent discomfort that interferes with work, sleep, and daily activities.

4 Feb 2026

New compound advances body clock independent of dosing time

A collaborative team including Emeritus Professor Tei H. (Kanazawa University), Associate Professor Takahata Y. (Osaka University), Professor Numano R. (Toyohashi University of Technology), and Associate Professor Uriu K. (Institute of Science Tokyo) discovered that Mic-628 selectively induces the mammalian clock gene Per1.

4 Feb 2026

Social media support may ease anxiety in young adults

Anxiety is the second leading cause of disability and mortality worldwide. Roughly a third of adults in the U.S. will experience an anxiety disorder within their lifetime, and the median age of onset is 17 years old.

3 Feb 2026

Trazodone linked to safer delirium outcomes in older adults

A large U.S. study suggests that older adults hospitalized with delirium may experience better outcomes when treated with trazodone, commonly used to treat depression and sleep problems, rather than commonly used antipsychotic medications.

3 Feb 2026

Chronic eczema burdens physical and mental health in older people

Eczema is a group of inflammatory and chronic skin conditions, and it is the most common skin disease among older people.

3 Feb 2026

Cardiologists highlight overlooked heart risks across women’s lives

Heart disease remains the leading cause of death for women in the United States, yet awareness of cardiovascular risk—particularly among younger women and women of color—has stalled, even as rates of high blood pressure, diabetes, obesity, and high cholesterol continue to rise.

3 Feb 2026

Study finds five distinct human sleep chronotypes

The familiar labels "night owl" and "early bird," long used in sleep research, don't fully capture the diversity of human internal clocks, a new study has found.

2 Feb 2026

Mouse study reveals mechanism driving first night insomnia

You check into a hotel and toss and turn all night, but your sleep improves the following night. Scientists at Nagoya University wanted to understand why this happens.

2 Feb 2026

Playing pink noise during sleep could be harmful for children

Pink noise-often used to promote sleep-may reduce restorative REM sleep and interfere with sleep recovery.

2 Feb 2026

Blood gene signals reveal Parkinson’s risk years before diagnosis

Blood-based DNA repair and stress-response signals reveal early molecular changes in Parkinson's disease, aiding in potential early diagnosis and intervention.

2 Feb 2026

Oxybutynin shows promise in managing hot flashes for prostate cancer patients

A national clinical trial led by the Alliance for Clinical Trials in Oncology has found that oxybutynin, a drug often used to treat overactive bladder symptoms, reduces hot flashes compared to the placebo in men receiving hormone therapy for prostate cancer.

2 Feb 2026