This is also the stage of sleep when it's most difficult to wake up. Deep sleep is as important as REM when it comes to physical rest, so keep an eye on this stage if you're tracking your sleep ...

REM is the last stage where emotions are addressed and regulated. “REM sleep is when your emotions are regulated. So, if you ...

This will help you fall asleep easier and wake up feeling more rested. Insider's takeaway REM sleep is a unique stage of sleep characterized by rapid eye movement and muscle paralysis. Most dreams ...