MANILA, Philippines — Did you know that one of the four stages of sleep helps regulate emotions, and if it is not achieved through it, it could be the reason why you wake up cranky? It has been said ...

Everything you need to know about REM sleep, including what it is and how much you need ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

Taking too long to enter the phase of sleep in which we dream may be an early sign of Alzheimer's disease. This is the conclusion of an international team of researchers who studied the sleep patterns ...