How To Get Rid Of Leg Cramps

As a Personal Trainer for Seniors, one question I get often is, how do I get rid of leg cramps? The leg cramps I mean are not the ones you get from being active, but the ones you get in your sleep.   Seniors in particular suffer from leg cramps which contributes to poor quality of sleep.  So how do you get rid of leg cramps? Well read the article and please share if you have any other remedies for getting rid of leg cramps.