Reiki sessions are done with the clothing on. It may take from a few minutes to an hour to complete a session. Most sessions run about an hour. Adults require longer Reiki sessions than children. Reiki sessions can be done lying down, sitting on a chair, or on a massage table. Reiki sessions usually start with the head and works down to the feet and from the front of the body to the back. Some practitioners start the session with intentions, asking the client what they want to work on, or with prayerwork.