When I was in high school, I had this horrible discomfort in my legs that drove me bonkers!  At that time, I was super flexible so I blamed it on not being able to feel the stretch enough.  It would be worse around my periods but would bother me daily enough that I would have to leave the classroom to stretch. I remember it was worst in my first class of the day with Ms. Drye. Sorry Ms. Drye but now I have a reason!  I am sure she didn't know what to do with me.   At night, I would literally feel like I had to hit my legs to get them to calm down.   I never told anyone because it was just weird and hard to explain.  Now that I know it was restless legs, I realize that back in the 90's they probably wouldn't have known what it was anyway. I am not sure it was even a diagnosis at that time.  When I got married and went on birth control it totally resolved and I was so relieved.  Once I learned about it in medical school, I learned that one cause is ...