cramps

i get terrible cramps in my legs and toes during the night does anyone know why this happens and what can help it

I use to have terrible leg cramps at night. I would have to get out of bed and put alot of effort into getting it stretched out. These were very painful. I learned thru this forum that NSP Magnesium complex would help the cramps. I have been taking this for about 6 months and have had very few leg cramps. I hope this helps.