In Ayurveda (one of the oldest systems of natural healing in the world), warm milk is a common remedy for sleeplessness. This recipe features nutmeg (a natural sleep aid) and ashwagandha (an adaptogen that helps your body deal with stress) to shepherd you to dreamland. Look for ashwagandha at health food stores, Indian specialty stores, or Whole Foods.
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A simple start to a home apothecary with herbs, teas, leaves and such. Can be used prior to seeking medical treatment or in supplementation as desired. I've found most to be very effective. Herbology, Herbalism, and Herbal Medicine