The Red Cross shared a simple tip for cooling off on very hot nights: put a pair of socks in the refrigerator or freezer during the day and pull them…

Two States of Sleep Sleep isn’t a single state — it breaks into two very different physiological modes. One is REM sleep (rapid eye movement); the other is NREM sleep…

Sometimes eight hours of sleep still isn’t enough to feel refreshed, so many of us reach for caffeine. The problem isn’t just how long you sleep — it’s the quality,…

Some people remember almost every day of their adult lives with startling clarity. Give them a date, and they’ll often name the day of the week, mention a news item…

We usually assume dreaming belongs only to deep sleep. But it turns out we can have vivid dreams even while still awake. A new study led by Nicolas Decat at…

Not everyone can sleep through the roar of traffic or someone else’s noise. If you can, consider that a small victory. Researchers Kelly Sansom and Peter Eastwood from Murdoch University…

We’ve long known that a lack of quality nighttime sleep is linked to a higher risk of developing dementia. A team of researchers at York University in Canada set out…

About three percent of people on our planet barely sleep at night and still feel perfectly healthy. How is that possible? Researchers have finally gotten closer to solving this mystery.…

Scientists from the International Pediatric Sleep Association, the World Sleep Society, and the University of Copenhagen warn that hotter nights are already disrupting sleep for billions of people. As the…

For many people, pets aren’t just animals — they’re family. Fluffy companions are with us from morning to night, and often through the night too. Sharing a bed with a…

Other factors matter too — especially keeping the ideal temperature for good sleep. But which sleep position is actually best? To find out whether you should sleep on your back…

People who experience it usually describe a sudden door slam, an explosion, a metallic clang, the crash of waves, the hum of electricity, or similar abrupt noises. Maybe you’ve gone…

Researchers in Australia, Chile, and Brazil found that adding just 11 minutes of sleep a night, 4.5 minutes of brisk walking, or at least 50 grams more vegetables a day…

Picture the perfect morning: your eyes open slowly, sunlight pours through the window, and you feel rested and refreshed. That feeling isn’t just because you slept the recommended 7–9 hours.…

Think you’re faster than you are? Maybe it’s time to pay attention to the quality of your sleep. A study from the University of California, San Francisco, and Beth Israel…

When the person sleeping next to you tugs the blanket, rolls over, shifts from side to side, or puts a foot on you, sleeping together loses its magic. Sleep experts…

A team of researchers at the University of Kentucky (USA) found a correlation between sleep problems and Alzheimer’s disease — the most severe and common form of dementia. Sleep problems…

The authors of a new study from Nantong University in China said that sleeping 7 hours and 18 minutes per night may be optimal for preventing the development of insulin…

Biological Clocks and Chronotypes: Why We’re Different The human body operates on circadian rhythms—an internal biological clock that regulates sleep, alertness, body temperature, hormone levels, and cognitive activity throughout the…

You might wonder what connection there could possibly be between the brain, the gut, and the vagus nerve. It turns out there’s a direct link. To recap, the vagus nerve…

A new study reveals that the calming backdrop of so-called pink noise, designed to drown out external sounds and lull us to sleep, may not be as harmless as we…

Researchers at Stanford University and collaborators developed an AI system that predicts the risk of developing numerous diseases by analyzing data from just one night of sleep. By examining a…

Researchers from the University of California, San Diego, have reported that seals sleep an average of two hours a day while in the water. However, this sleep is fragmented, divided…

Struggling to sleep? You’re likely among the 852 million people worldwide who find it difficult to drift off. Of those, over 414 million suffer from severe insomnia. Meanwhile, about one-third…

It can be tough to find peace in bed when your mind is racing with anxious thoughts, troubling memories, and worries about the future. What are the 15/15/15 and 4/7/8…

There are countless myths about sleep. Here are four of the most common ones that researchers have debunked. Myth 1: Exercising at night harms sleep quality Some people believe that…

Continuous sleep is, in fact, a modern invention rather than an evolutionary constant, scientists argue. When we occasionally wake up at 3 a.m. and think something is wrong with us,…

Research conducted by scientists at the Massachusetts Institute of Technology in Boston has shed light on the changes that occur in the brain due to fatigue. According to the team’s…

Doctors, police officers, and rescue workers often share that during a full moon, their nights become more intense. What does science say about this? Research has shown that the full…

The common caution against having plants near the bed comes from the idea that during the day plants absorb carbon dioxide and release oxygen, but at night, when photosynthesis stops,…

The thing is, our brain doesn’t wake up immediately when the alarm goes off. Waking up is a gradual, coordinated process. As Aurelie Stephan, a sleep researcher from the University…

A team of researchers from Concordia University in Canada conducted a comprehensive study that unveiled the impact of different types of sleep on our health. The scientists analyzed data from…

Lack of sleep is one of the primary factors contributing to the development of many chronic conditions, including heart disease, stroke, obesity, and type 2 diabetes. Insomnia also weakens the…

Everyone has a favorite way to sleep — some curl up into a “little ball,” while others sprawl out like a “starfish.” But that preference may affect more than comfort;…

Research from Central Queensland University and Australian Catholic University has revealed that one of the consequences of quitting caffeine is the emergence of vivid, and often frightening, dreams. This peculiar…

Practicing yoga can speed up the process of falling asleep and enhance sleep quality, according to researchers from Harbin Sports University in China. A meta-analysis of 30 randomized controlled trials…

When we are occasionally or systematically deprived of sleep, it becomes difficult to concentrate. A new study from researchers at the University of Oxford (UK) has shed light on the…

We know lack of sleep harms your brain, heart, and overall health. It also harms your skin and lowers libido. We know far less about the risks of sleeping too…

We’ve often heard that as we age, our sleep deteriorates, becoming restless and less restorative than it was in our youth. Factors such as changes in circadian rhythms, increased nighttime…

The research, led by Dr. Abidemi Otaiq of the British Institute for Dementia Research and Imperial College London, was presented at the Congress of the European Academy of Neurology (EAN).…

If you grew up hearing your grandmother warn against cheese before bed, you’re not alone. But is there any truth to that old advice? A study by British firm The…

It turns out that night owls, or those who thrive in the late hours, may age mentally faster than early risers. To investigate this, a team from the University of…

Stayed up late answering emails or binge-watching a show? The next morning you feel groggy and irritable. Sweet pastries or a greasy sandwich for breakfast seem far more appealing than…

Wearing socks to bed could be the secret to falling asleep faster and getting deeper rest. The idea is rooted in how our sleep systems and body-temperature regulation are closely…

A new study from Columbia and the University of Chicago found that eating a certain amount of fruit during the day can improve sleep that very night. Poor sleep and…

The team at Osaka Municipal University has discovered a way to combat that groggy feeling many of us experience in the morning. The researchers found that just 20 minutes of…

More than half of people who rely on an alarm clock use the snooze button. Researchers at Brigham and Women’s Hospital in Massachusetts have identified why this habit is risky…