Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

The jellyfish, like the sea anemone, although lacking a brain, experience deep rest phases that meet all the criteria of ...

Ah, sleep. It sounds so simple, doesn’t it? You put your tot to bed, he closes his eyes, soaks up hours of refreshing rest, and wakes with a smile on his face at 7am… But the reality for most of us, ...

Here’s a question from an Oklahoma Medical Research Foundation colleague: My wife and I have recently begun tracking our sleep; I use an Oura Ring and she uses a Garmin watch. The devices not only ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

What do you imagine a good night’s sleep to be? Often when people come into our sleep clinic seeking treatment, they share ideas about healthy sleep. Many think when their head hits the pillow, they ...

It may come as no surprise that hormonal upheaval – say, during puberty or menopause – can play havoc with sleep. But our hormones influence sleep all the time, not just during big changes. What’s ...

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

We’ve all been there — dragging ourselves out of bed feeling like we’ve been hit by a truck despite getting a full night’s sleep. The alarm blares, and you wonder how eight hours of rest could ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT Image: DepositPhotos Get the ...

Does your teen always seem exhausted, irritable, or struggling to stay awake in class? You're not alone. We're facing what experts have called a sleep deprivation epidemic among American teens. The ...

Imagine awakening to find yourself completely unable to move or speak, perhaps feeling intense pressure on your chest, struggling to breathe, or even seeing strange figures in your bedroom. This ...