In this calming , healing therapy , a steady stream of warm medicated oil is allowed to flow from a specific height onto the forehead and the entire scalp region with a gently releasing head massage. This is one of the most popular Ayurveda therapies: It not only enhances mental relaxation, but also cools the head , improves the functioning of the five senses and helps with insomnia , migraines, stress, anxiety and depression. It is also a great jet lag reliever.