Lavender, Cilantro, Clary Sage, Magnolia Touch, Melissa, Petitgrain, Vetiver and Ylang Ylang are the essential oils that have been scientifically studied for their ability to reduce anxiety and improve sleep quality. If you'd rather not make your own blend, ready-made versions are also available. Options include doTERRA Balance Grounding Blend, doTERRA BreatheBlend, and doTERRA Serenity Restful Blend.