Morning Glory, Morning Wood, Prebreakfast Boner (I made that last one up) — whatever you want to call it, you're probably familiar with the phenomenon. If you've ever woken up a) with a penis or b) ...

Typically, we associate morning sex, morning arousal, and even wet dreams with men. But as 18% of women can tell you, they can and do get aroused throughout the night, and wake up with their own ...