We’ve all been there: Mind racing, phone sitting just a bit too close to your bedside, a world of lists of things to do, think and worry about that it makes falling asleep (or even winding down enough ...

There’s nothing more annoying than not being able to sleep. Anyone who has experienced even a short period of disturbed sleep will know how frustrating it can be to just lie there willing yourself to ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...

Sleep happens in cycles that include three non-rapid eye movement (NREM) stages and one rapid eye movement (REM) stage, repeated 4 to 5 times nightly. Each cycle typically lasts 90 to 110 minutes. The ...