Leg cramps that happen at night can really disturb your sleeping. There are some natural remedies you can consider. The first is taking Vitamin E. You can take about 800 to 1200 mgs per day. The second is calcium supplements. You can take 1,000 mg per day.
The final option is taking a Vitamin B Complex. Just make sure there is 150 mcg of Vitamin B12 in it. There was a study published in the Journal of Clinical Pharmacology showing that this reduced the intensity of nighttime leg cramps by 86% after 3 months.