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 ...

In today’s fast-paced world, sleep is often treated as optional—a luxury we squeeze in between work, social life, and endless scrolling on our phones. Yet, ...

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 ...

If you use a sleep tracker at night, these are the three metrics you should be paying attention to in the morning.

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 ...

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 ...

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 ...

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 ...

Repairing a shattered sleep schedule is not a matter of sheer willpower or ‘catching up’ on a Sunday morning. Instead, it ...