In direct contrast to the fight or flight” response, the body’s relaxation response” is a state of deep rest (but not necessarily sleepiness). You can also try to enhance the serenity level by using soft music or soothing scents, but that is your choice. Books and tapes providing instructions in relaxation therapy are offered from bookshops and over the web. There have been a number of randomised controlled trials on the impact of relaxation therapy for people today with depression.