Sudden night time leg cramps and calf muscle spasms can jolt you out of bed with tremendous pain, so you’ll want to know how to stop the cramp quickly. Though night time leg cramps can have different causes for different people, most of the ways of stopping them are similar. To relax your leg and stop the muscle from cramping you’re generally going to want to unclench the muscle and then give your body any nutrients or other things it may be lacking….