We ask an expert why REM sleep is so important, what happens if we don't get enough of it and how to get more REM sleep.

A multiple sleep latency test (MSLT) is an objective way to measure sleep quality. It helps diagnose narcolepsy and insomnia.

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...

Prolonged rapid eye movement sleep latency may be an early indicator of Alzheimer’s disease and related dementias, according ...

As we all know, sleep is essential for helping the body to recover, repair itself and function at its best - but one thing ...

If you’re battling a chronic illness ensure that it does not affect your sleep which is often the case with patients Read to ...

A sleep expert details why you wake up groggy from a nap and how to make the most of your snack-sized slumber.

Brain waves and eye movements tell doctors about the timing of the different phases of sleep. The two broad phases of sleep are non-REM (non-rapid eye movement) and REM (rapid eye movement).

When you’re in a period of REM sleep, your eyes will rapidly move from side to side and that’s where the name REM (short for rapid eye movement) comes from. This is because when we fall asleep ...