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

USF study to track long-term impact of digital media on youth wellbeing

A groundbreaking new study conducted by the University of South Florida will track young people through 2050 to learn more about the long-term impacts of smartphones, social media and other digital media on individual wellbeing.

15 Nov 2024

New discovery reveals NMDAR's critical function in maintaining brain stability

Researchers at Tel Aviv University have made a fundamental discovery: the NMDA receptor (NMDAR)-;long studied primarily for its role in learning and memory-;also plays a crucial role in stabilizing brain activity.

15 Nov 2024

Primary care clinicians key to achieving optimal cardiovascular health

Primary care clinicians and practices are uniquely positioned to help people achieve optimal cardiovascular health through screening, diagnosing and treating the health behaviors and factors outlined in the American Heart Association's Life's Essential 8 health metrics to reduce the risk for heart disease and stroke, according to a new scientific statement published today in the Association's peer-reviewed journal Circulation: Cardiovascular Quality and Outcomes.

13 Nov 2024

New study links circadian gene variants to winter depression

Variants of the PER3 gene disrupt adrenal adaptation to winter light, leading to serotonin disruption and depression-like behaviors in humanized mice models.

13 Nov 2024

Community-led intervention curbs childhood obesity and boosts quality of life

The RESPOND trial adapted to COVID-19 disruptions by shifting to a cluster-parallel randomized design, enabling analysis despite the pandemic's impact on school and community participation rates.

12 Nov 2024

Cannabinol enhances sleep in rats, study shows

Research by scientists at the University of Sydney has identified a constituent in the cannabis plant that improves sleep.

11 Nov 2024

Prolonged mental fatigue can impair self-control and increase aggression

Prolonged mental fatigue can wear down brain areas crucial for the individual ability to self-control, and cause people to behave more aggressively.

11 Nov 2024

Getting enough sleep linked to lower hypertension risk in teens

Adolescents who meet the recommended guidelines of nine to 11 hours of sleep per day were shown to have a significantly lower risk of hypertension, according to a new study from UTHealth Houston.

11 Nov 2024

Obesity-related heart disease deaths rise sharply in the U.S. between 1999 and 2020

Heart disease deaths related to obesity increased by 180% in the U.S. between 1999 and 2020, especially among middle-aged men, Black adults, residents of Midwestern states and non-metropolitan areas, according to a preliminary study to be presented at the American Heart Association's Scientific Sessions 2024.

11 Nov 2024

Just five minutes of activity a day could reduce blood pressure

Modest daily exercise, as little as five minutes, is linked to lower blood pressure, with significant benefits from longer activity durations.

11 Nov 2024

How gut bacteria regulate stress and sleep cycles

This study reveals that gut microbiota, particularly Lactobacillus species, regulate the daily rhythm of stress hormones like corticosterone, influencing stress responses and brain function at different times of the day. Disruptions in gut bacteria lead to altered stress responses and increased susceptibility to disorders like depression.

10 Nov 2024

Study reveals high prevalence of unrecognized cognitive impairment in vulnerable older adults

One of the first studies to investigate the prevalence of unrecognized cognitive impairment among patients seen at Federally Qualified Health Centers, has found that it is ubiquitous, especially among minoritized older adults.

8 Nov 2024

How physical activity before and after cancer treatment improves outcomes

Physical activity is beneficial before, during and after chemotherapy treatment. New doctoral research has taken a closer look at those who opt out.

8 Nov 2024

Work-related stress linked to poor cardiovascular health

Research shows work-related stress negatively affects cardiovascular health, with implications for health behaviors and outcomes in diverse adult populations.

8 Nov 2024

Adipo Therapeutics shares results of studies on potential obesity treatment

Adipo Therapeutics LLC, a late-stage, preclinical biopharmaceutical company developing a potential treatment for obesity and related metabolic disorders, presented data from two studies at the annual meeting of The Obesity Society in San Antonio.

7 Nov 2024

Disruptions in liver and brain clocks contribute to unhealthy eating patterns

Disruptions between the brain's master circadian clock and the liver's internal clock, communicated via the hepatic afferent vagal nerve (HVAN), can lead to unhealthy eating patterns and increased weight gain, according to a new study in mice.

7 Nov 2024

Liver-brain connection revealed as key to eating habits and metabolism

People who work the nightshift or odd hours and eat at irregular times are more prone to weight gain and diabetes, likely due to eating patterns not timed with natural daylight and when people typically eat.

7 Nov 2024

Five minutes of extra exercise a day could lower blood pressure, study finds

Adding small amounts of exercise into daily routine, such as climbing stairs or cycling to the shops, could help to reduce blood pressure, with just five additional minutes a day estimated to yield improvements, finds a new study from researchers at UCL and the University of Sydney.

6 Nov 2024

Mount Sinai researchers uncover key process in memory integration

Mount Sinai researchers have discovered for the first time a neural mechanism for memory integration that stretches across both time and personal experience.

6 Nov 2024

Small amount of physical activity may help to lower blood pressure

New research suggests that adding a small amount of physical activity – such as uphill walking or stair-climbing – into your day may help to lower blood pressure.

6 Nov 2024