Imagine waking up each morning feeling completely refreshed and ready to tackle the day. Now, contrast that with tossing and turning all night, waking up with aches and pains! The key difference ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Waking up to a wet spot on your pillow isn’t unusual — many of us have experienced it. Occasional drooling during sleep is generally harmless and often goes unnoticed. But if it happens frequently or ...

Early to rise makes a person healthy and wise? Not necessarily. Depending on how your body clock is wired, the opposite may be true! Every person's body is set to follow daily patterns, including one ...

What goes into getting a good night's rest? Sleep has a profound impact on mood and overall health, so it's essential to get it right in both quantity and quality. For many, the hardest part is ...

Sleep is a complex biological process, with numerous evolutionarily-gained functions. Despite its indisputable biological importance, much remains unknown about sleep, including the bidirectional ...

Imagine this: you’re lying in bed, the hours tick by, and no matter what you do—counting sheep, adjusting pillows, or even trying to ignore that annoying ticking clock—sleep seems like a distant dream ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Whether it’s an old-fashioned, a hot toddy ...