Are you building muscle while you sleep?

Are you getting enough muscle-building sleep? Take this quiz to find out.     You're just 4 questions away from knowing how good you are in bed. More >       Also Check Out:     Download the new Jan/Feb 2017 issue starring Vin Diesel   Click here to get the digital edition delivered instantly via the Men's Fitness app.     There's a 1 in 5 chance your girlfriend (or someone else close to you) is hacking your Facebook   They snoop for different reasons. Here's why—and what you can do about it.     Damn right! People who swear more often are more honest   No s**t—the more you cuss, the more you can be trusted, says a new British study.     6 über-healthy vegetables you can turn into abs-friendly pasta   More than 20 veggies can be spiralized into a good-for-you indulgence. Here, are the ones we love most and how to prepare them.     10 cliché Valentine's Day dates that are totally worth it   Okay, yes: They sound hilariously typical. And that's exactly the idea.     9 nutrition rules for developing strong, powerful muscles   Developing brute strength isn't just about hitting the iron hard. You'll need to follow these key diet tips to feed your body right.         mensfitness.com | Subscribe to Men's Fitness Magazine | About Us | Privacy Policy | Contact Us     All e-mail addresses were obtained through user-submittal on MensFitness.com. To unsubscribe, click here. Or view our Privacy Policy.     © 2016 Weider Publications, LLC. All Rights Reserved. A subsidiary of American Media, Inc., 4 New York Plaza, NY, NY 10004