Have you tried already these exercises to better use Dodow?
#1 Focus on your lower abdomen
Understanding how something works makes you better equipped to reap its benefits.
While synchronizing your breathing with the light, gently focus on the lower part of your abdomen (below the navel) : try to feel the sensations in this part of your body.
How to distribute your attention ?
When you continually focus your attention on your lower abdomen, blood flow to this area increases (there is more blood flowing in this part of your body). The blood supply to the brain then decreases, leading to slower brain activity, and making you feel less agitated.
#2 Mental saturation
This exercise is designed for those who think too much. The objective is to create a diversion to occupy your mind with something far less stimulating than your thoughts.
While synchronizing your breathing with the light, repeat as clearly and as distinctly as possible (in your head) :
In all cases, the time it takes you to say the words in your head must be adjusted to match the duration of inhalation and exhalation. The slower the pace of your breath, the longer it should take you to silently enunciate the words.