SOURCE Adapted from: http://www.natural-health-restored.com/rest-and-sleep.html Insomnia or inability to sleep is another symptom of magnesium deficiency. If you find it difficult to sleep or find yourself waking up in the night with muscle spasms, cramps and stuffiness, you may benefit from magnesium supplementation. In a study of more than 200 patients, Dr W.H Davis of the...