Magnesium may improve your sleep. It plays an important role in your nervous system, helping to activate mechanisms that quiet and calm you. It may also help relieve anxiety and depression, which can interfere with sleep. At the bottom line, magnesium acts as a good sleep pill and is safer than any other medications being used for getting sound sleep, nevertheless, it’s not just the supplements check with your diet as well, and most importantly the mattress you use matters above all for your undisturbed sleep.