But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...

Another reason that stress could be waking you up is because it impacts how deeply you sleep. As explained above, lighter ...

Researchers then categorized participants into one of four different sleep types: “I think that the four categories that they explained was a good way to kind of sum up the broad spectrum of ...

Sleeping well is vital for energy and good health — but getting the right amount of different stages of sleep can make all the difference. Among the various sleep stages, two of the most well ...

A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and reap the health benefits.

causing deleterious effects on sleep stages such as REM and slow-wave. One of the first praises that many people sing of the Pod 4 is that it helps them go to sleep faster and sink into a deeper ...

If I were looking at you in a sleep lab, I could actually look at your EEG recordings and I could look at how much stage three, four and REM sleep you get because that really is the determinant of ...

Over the course of a night you will go through different stages of the sleep cycle. There are four stages, which repeat themselves multiple times until you wake up in the morning. Different things ...

During the transition into sleep, those electrical signals begin to fall into wave-like patterns, with different wave patterns associated with different stages of sleep. As the body relaxes, the brain ...