Three of our best-selling pure essential oils and blends in a great value gift-box, the perfect oils to help relax and encourage a peaceful night sleep. The ECO. Sleep Aroma Trio contains: Dream Drops Essential Oil Blend: a beautifully restful blend of lavender, geranium & ylang ylang essential oils designed to encourage a restful night sleep. Lavender Essential Oil: a light, floral and woody scent, well known for its relaxing and healing qualities. Sleep Essential Oil Blend: be gently and softly soothed to sleep with ECO.'s Sleep Blend, with mandarin, lavender, frankincense, ylang ylang & chamomile, formulated to help you relax and unwind.