Available in many scents. Some of the most popular essential oils for sleep and other therapeutic purposes. In addition, these types of essential oils for depression, anxiety, sleep, and relaxation are used in conjunction with massage therapy. When one breathes essential oils, its effect can be uplifting. It gives a positive boost to closed spaces. Neutralizes smoke and other odors. Best if used with an Aromatherapy Oil Diffuser. Each scent comes in a 1/3 oz. (10 ml) bottle. For healing and spirituality, as well as physical and energetic purposes.