10 Grossest Things You Never Knew About Sleeping

10. Your Muscles Freeze Up


Sleep paralysis is a horrifying prospect at the best of times, but did you know that your body undergoes a different form of muscle freeze as you slumber? Don't worry though, this is entirely normal and not life threatening in the slightest. You'll barely even notice, until you wake up with a bad back again that is.

During the REM (Rapid Eye Movement) cycle, your muscles freeze up completely, disabling any ability for movement. In effect, you become completely rigid and can't smack the lucky partner sleeping beside you. They'll thank sleep for this, because it saves them the black eye and you the menacing glare each morning.

In this post: 
First Posted On: 

Find your perfect bed! Not too hard, not too soft — you want a bed that’s just right! No two people are the same, so to help you out, we’ve sorted each of our mattresses into one of five different firmness ratings. That way you know exactly what you’re getting! Be sure to keep an eye out for these firmness rating labels online and in-store, or you can just click on them now to filter the most comfortable and supportive mattresses for you.