ncbi.nlm.nih.gov/pmc/articl...
The results of this study demonstrate that supplementation with Magnesium-melatonin-vitamin B complex for 3 months has a significant positive effect on sleep disturbances and is highly effective for the treatment of patients with insomnia. Regardless of the insomnia aetiology, Magnesium-melatonin-vitamin B complex supplementation reduces insomnia symptoms, as well as its consequences, thus improving the patients’ quality of life and preventing potential unwanted clinical, social, economic, or emotional repercussions.